And if you’re wondering how you’ll reduce the unit’s friction, you can start by using needle roller bearings. In this case, the upgrade can be made possible with a sprag-type intermediate overrun clutch, a late 700R4 low roller clutch center support, a 300M input shaft, premium racing frictions and steels, and a shift kit. As you can appreciate we tend not to itemise the exact contents of our kits. 821F Centre Support Assembly ..... 69-86 1 TH350.SUP01 822F One Way Clutch, Low/ Reverse 69-86 1 TH350.OWC01 823F Inner Race, Low/Rev OWC (Used) 69-86 1 TH350.OWC04 The OEM light and medium duty planetary carriers are fit with a rotating outer thrust washer assembly. Turbo 350 Heavy Duty Low Reverse Center Support. A recommended upgrade for all TH350 applications behind engines producing between 400 and 800 foot pounds of torque. ATI also offers an aluminum direct-drum with a steel sleeve on the OD for second-gear band use for street or off-road-racing applications. After installing your 87-UP 4L60 roller clutch and inner race, align outer lugs and set into place. This is a T/350 having is lower case machined dead flat as they are NEVER flat. Used as a case saver or an upgrade, you’ve been introduced to the strongest-known center support ever available for these applications! You can now save your case and improve on the original design! This results in outer race failure when the hydraulic circuitry has been modified to reduce intermediate clutch slippage. Powerglide. This upgraded ring gear is fit with a roller bearing assembly that replaces the failure prone thrust washer. Two integral locating tabs "ground' the outer washers to the carrier housing during thrust loading, prohibiting rotation, which vastly reduces washer wear. 4L60E cases have many variations throughout the years. This specialized direct clutch housing assembly is fit with a mechanical diode one way clutch assembly, replacing the failure prone OEM one way clutch assembly. My Cart: 0 item(s) - $0.00. Note: Oversize low roller clutch and matching lo support reduce lo roller clutch and outer race failures. $4.88 $7.95. All Rights Reserved. Furnishes a 50% increase in intermediate clutch torque capacity. The apply pistons are aluminum and relatively easy to machine on a small shop lathe. TH350* TH350C* TH250* TH250C* This Is A Great Fix For A Worn Case That Has Center Support Lug Damage Due To Normal Wear. Includes a four friction intermediate clutch pack with face grooved high-energy clutch plates. Make sure this fits by entering your model number. Factory center supports are selective (differing thickness). You can omit the center seal, plug this passage, enlarge the 2nd and 3rd feed holes in the stock separator plate and you will have greatly increased the torque capacity of a stock TH350 as well as gained a firmer shift. This output carrier is an excellent choice for all high load and off road vehicles which spend extended periods of time operating in reduction. View . This Kit Will Work On All These Automatic Transmissions, 250 1969-79* Undercuts behind the splines are eliminated, resulting in increased spline length and diameter, increasing spline engagement at the clutch housing interface over 20%. It can be found in between the transmission and the rear differential. You have two choices here to upgrade the direct drum for one additional friction. Remove Allen Head Screws from the H/D center support, remove Lazercut reinforced plate. 12 ft/lbs. Pressure Plates Rebuilder Kits Sealing Rings … Our base model TH350 has lived at over 600 HP reliably. A TH350 rebuilt is not complete unless you have a high-performance clutches and even reducing the friction. Furnishes a huge increase in forward clutch torque capacity. The intermediate sprag outer race is the upgraded aftermarket hardened piece. Now available with the award winning ATI T400 SFI Certified SuperCase. Our A74761DAC utilizes the wide 87-up roller clutch assembly providing more holding power than the early narrow TH350. Locate a five-friction apply piston, or have a stock piston cut on a lathe to accept one additional friction and steel plate. This kit includes a new set of OEM pump gears coated with military grade PTFE Teflon. Replaces OEM .725" gearset. I also used 4 trans-tec case savers with this to stiffen the center support. Other Minor Upgrades. Comments? A must for heavy duty and transbrake applications that do not use the low clutches in manual 1st gear. PERFORMANCE TH350 TRANSMISSION (Manual) ... Next, the heavy duty low roller clutch and support are installed along with the case reinforcement insert. Almost all aftermarket kits use a feed plate between the support plate in front of the valve body and the separator plate. Due to their propensity to rotate,  the washers quickly erode when exposed to high thrust loads, such as those encountered in high performance street and strip applications. Assemble transmission up to Lo/Rev friction. Posted On: Adaptor Plates Bands and Band Apply Hardware … The factory metal thrust washer installed between the front internal gear and front planetary carrier lacks durability and thrust surface area. I don't think this is a cure for a badly worn case. As with all Jake’s Performance transmissions they include all new friction clutches, bands, steel plates, soft parts, filter, modulator (if applicable), as well as hydraulic upgrades, and other modifications depending on power level. TH350 cases are no longer plentiful nor as cheap as they once were. This bearing reduces internal friction and horsepower loss created and consumed during normal internal component rotation. This kit includes a new set of OEM pump gears coated with military grade PTFE Teflon. The factory metal thrust washer installed between the rear internal gear and rear planetary carrier lacks durability and thrust surface area. Exploded Views. January 28, 2016, Posted On: A74761DAC installed in a sample cut-away case. Install Allen Head Screws with blue loctite to max. 9ft lbs) 4. November 16, 2018, Posted On: TSR Racing Products - Your source for powerglide,th350,th400 and a727 transmissions. A lot of extra hard parts go into the Extreme T/350 with the front planetary, reaction bell, center support, rear annulus, TCI outer sprag ring and super wide band all added for extra strength. ATI has T400 street rod and drag race transmssions for vehicles making 600 horsepower to 3,000 horsepower! Discard anti-rattle spring. Home. Used as a case saver or an upgrade, you’ve been introduced to the strongest-known center support ever available for these applications! It is a common occurrence for the OEM intermediate one way clutch retaining ring to be ejected from its groove in high performance and competition applications, resulting in parts failures. The support allows the drive shaft to be able to flex, allowing more movement. We visited Auto-Rite Transmissions to learn everything we could about the TH350 Transmission. A74761DAC includes (1) modifed OEM center support, (6) allen-head cap screws and (1) outer support plate that fits into previously unused case lugs. Either application requires replacement when the case lugs are worn. This results in reduced component rotation resistance, which reduces transmission related horsepower losses and improves power transmission. MSRP: Now: $142.95. $29.99 $49.99. It does engage two lugs were anti clunk spring goes. Either application requires replacement when the case lugs are worn. Our A74761DAC utilizes the wide 87-up roller clutch assembly providing more holding power than the early narrow TH350. A fully CNC machined and shaped inner race is used to fit the assembly to the clutch housing, and a spiral lock ring provides positive retention. CK Performance Engineering  |  Phone: (347) 836-8142, Hours of Operation | Monday - Friday 10AM EST to 4PM EST, Copyright © 2021 CK Performance Engineering. The upgraded center support for the Turbo 400 features a large, split, bronze bushing that helps support the direct drum and virtually eliminates premature sprag failure. Furnishes a 50% increase in intermediate clutch torque capacity. 2 and 3 speed versions available with many gear set ratios to choose from. Search: Search. This OEM intermediate clutch piston allows the installation of one additional clutch and steel plate with two clutch models, increasing the clutch pack count from two to three plates. April 29, 2015, Posted On: Please allow for additional time for orders to be processed due to Covid19 restrictions and safety precautions. Drop us a line at:: sales@tsr-racing.com. Install the … After installing your 87-UP 4L60 roller clutch and inner race, align outer lugs and set into place. TH350 Transmission on sale with Free Shipping, now offering TH-350, Turbo 350 and Monster TH350 Transmissions rebuilt, race th350, racing th350 Manufactured from proprietary steel billet material, the shafts redesigned  profile includes a torsional center, vastly improving power transmission. Condition: DIPSTICK GROMMET- FITS MULTIPLE TRANSMISSIONS INCLUDING TH350 TH250 TH... Add to cart. May 22, 2016, Posted On: No Need To Try To Get That Hard To Find 350 Chevy Case Any More. Input Shafts and Forward Clutch Components Metal Clad Seals Miscellaneous Items Modulators Oil Pans and Extensions Powerpacks. 4L60E 4L65E 4L70E 700R4 350 350C 250 250C TRANSMISSIONS CENTER SUPPORT CASE SAVERS SET OF 4 1-PIECE TYPE FITS '69+ TPD PRO-LINE. This fits your . INSTALLATION. You have no items in your shopping cart. 700-R4,4L60,4L60E,4L65E, A74761DAC, Case Fix,Center Support,Wide Sprag Type ( Adapt-A-Case), 82-Up Aftermarket New. Improved press fit over OEM design reduces spline interface failures. Copyright ©2005-2017 Adapt-A-Case, Inc. All rights reserved. Add to Cart. Heavy-duty center support TH350 - 700R4 - 4L60E - 4L65E Install 6 allen-head screws and torque to 100-110 inch-pounds (approx. The coating reduces/eliminates any wear resulting from contact between the gear set with the pump body and pump cover which has become a major concern with the TH350 transmission in high output applications. Price: $115.00 & FREE Shipping. Fully CNC machined, splined, and ground . TH350 … The coating reduces/eliminates any wear resulting from contact between the gear set with the pump body and pump cover which has become a major concern with the TH350 transmission in high output applications. Install and tighten six allen-head screws to 100-110 inch-pounds. Install the case snap ring. Turbo 350 Transmission Rebuild Kit w/ Sprags Super High Performance Master Kit. Intended for use as a case-saver, our A74761DAC is a new twist on a resurrected idea. This Lightweight OEM intermediate clutch piston allows the installation of one additional clutch and steel plate with two clutch models, increasing the clutch pack count from two to three plates. Turbo 350 Heavy Duty Center Support Sprag BRAND NEW BorgWarner Heavy Duty Sprag Over 25% More sur... Add to cart. Compare Compare Items. Install center support, install snap ring. Thank you! 4. GM TH350 700R4 4L60E Center Support Case Saver Assembly (1969-UP) Adapt-A-Case. That is not to say that the TH350 cannot be upgraded to be on the same level with entry-level powerglide and TH400s that have been enhanced with premium frictions and steels. Find all the details inside Hot Rod Magazine. You should use the 4L60 type case saver if it's bad which will engage all … Just Replace Your Old Center Support Outer Race With This Update And Its Fixed. A fully inspected OEM intermediate clutch outer race is treated to a proprietary stress relief process, resulting in a component  suitable for high performance applications. It also increases the thrust surface area between rotating components and improves power transmission. Leading provider of high performance automatic transmissions, torque converters and drivetrain components for race, street/strip, hot rod, street rod and towing A local transmission shop will rebuild a 4L60E for around $900 to $1,200 and a 4L80E for $1,300 to $1,800, with used units going for about $400 and $600 to … Converter & Transmission Application Sheet. (You save ) (1 review) Write a Review. View. To increase the service life and performance of the component, the OEM heavy duty carrier is fit with a revised  thrust washer assembly. Works with integral one piece retainer and spring assembly only. This setup will enable the transmission to send more power to the wheels, which could also increase durability. The factory metal thrust washer installed between the sun shell and lo roller clutch outer race lacks durability and thrust surface area. Questions? You can now save your case and improve on the original design! Install new plate, line up holes. 4L60E cases have many variations throughout the years. The revised design allows the installation of one additional clutch and steel plate with four clutch models, increasing the clutch pack count from four to five plates. Replaces OEM .721" gearset. The front planetary is inspected and installed along with the shaft support clip. Inst Sheets. This high quality heat treated snap ring features a full 360 degrees of engagement ensuring positive ring retention in its groove under extreme duty and high rpm operating conditions. Our A74761DAC utilizes the wide 87-up roller clutch assembly providing more holding power than the early narrow TH350. PATC GM Performance Transmissions, TH400, TH350, 700R4, 4L60E, 4L80E, 6L80E, 200-4R and others. $199.99 $249.99. The drum easily accepts five frictions and this upgrade is recommended for all performance levels of the TH350 transmission. This upgraded planetary carrier is fit with a roller bearing assembly that replaces the failure prone thrust washer. The sun shell and gear are then inspected and installed with bushings to ensure a good center clearance, which is important for high rpm driving. TH350 Intermediate Sprag Race‚ Hardened 350-35732HD Log In ... Extension Housing and Components Center Support Dip Sticks Direct Clutch Components Filters Friction Plates Governors and Governor Components. Center Support and Case Saver fits like OE! Be sure to check low/reverse clutch * clearances during installation, adjustments can be made using selective steels/spacer plate. April 05, 2015, STREET, STRIP, DRAG RACE, POLICE AND FIRE DEPARTMENT, LAW ENFORCEMENT, MILITARY AND MASS TRANSIT, Enter the quantity for each item and then select Add to Cart, TH400 Transmission Case Identification and Interchange, TH400 INTERMEDIATE CLUTCH PISTON IDENTIFICATION AND INTERCHANGE, TH400 FORWARD CLUTCH HUB AND MAINSHAFT IDENTIFICATION, Rochester Quadrajet Throttle Arm Modification for the 200-4R Swap, COMPETITION BILLET INPUT SHAFT AND DRUM ASSEMBLY, HEAVY DUTY INTERMEDIATE CLUTCH OUTER RACE, HEAVY DUTY REAR PLANETARY CARRIER ASSEMBLY, LIGHTWEIGHT THREE FRICTION INTERMEDIATE CLUTCH PISTON, LOW DRAG ROLLERIZED FRONT PLANETARY CARRIER ASSEMBLY, LOW DRAG ROLLERIZED REAR RING GEAR ASSEMBLY, SUPER COMPETITION DIRECT DRUM WITH MECHANICAL DIODE, TH350 FIVE FRICTION FORWARD CLUTCH PISTON, TH350 GAPLESS SPIRALLOCK INTERMEDIATE ONE WAY CLUTCH RETAINER RING, TH350 STREET STRIP PRESSURE REGULATOR SPRING, THREE FRICTION INTERMEDIATE CLUTCH PISTON. Fully rollerized upgrade (includes all thrust areas between drums, planetary sets, case, center support, and pump, and direct drum stabilization) Stage 4 TH400 – Up to 1800 HP Stage 4 TH400 has all the features of the Stage III but includes the 36 element Super Drum and alloy intermediate shaft for more reliability at power levels over 1000 HP. Adapt-A-Case Heavy Duty Case Saver TH350 700R4 4L60E 4L65E Automatic Transmission A74761DAC Ships free, or upgrade to flat rate expedited 1-3 … Furnishes a huge increase in direct clutch torque capacity. SKU: A74761DAC. … PATC builds GM performance transmissions in many levels. › See more product details. TH350 cases are no longer plentiful nor as cheap as they once were. A74761DAC fits like OE. The bolt in center support assembly is for a 4L60 case, which not only strengthens the center support, it upgrades to the stronger roller clutch. This precision ground outer race is outfitted with a roller bearing assembly that replaces the thrust washer. All TH350 transmissions include a new pan. A recommended upgrade for all TH350 applications behind engines producing … TH350 ; TH350C; 700; 4L60 . The TH350 center support is a type of bearing that is used when a longer drive shaft is present. Works with integral one piece retainer and spring assembly only. A must on all TH350 build ups. Stage 1 TH350 – 500+ HP/TQ . This feed plate 'dual feeds' the directs, so plugging this hole is … Used as a case saver or an upgrade, you’ve been introduced to the strongest-known center support ever available for these applications! This results in reduced component rotation resistance, which reduces transmission related horsepower losses and improves power transmission. The heat treatment of the OEM intermediate clutch outer race is too hard for the hoop stresses the race encounters in high performance street/strip applications. Documents. The revised design allows the installation of one additional clutch and steel plate with four clutch models, increasing the clutch pack count from four to five plates. ATI's Turbo 400 Drag Racing Transmission. This par-ticular TH350 build is going behind a pretty powerful engine, so I will upgrade a few areas during the rebuild. This exclusive CK Performance product is the strongest and most reliable of its kind and has proven itself deep into the 9 second zone, and much more reliable than a 36 element sprag assembly. You can only use one in TH350, 700R4, 4L60. Next, align outer lugs and set the retainer plate in. The installation of this updated pressure regulator spring will raise maximum line pressure to approximately 195 psi, resulting in quicker and firmer shifts and increased torque capacity at all throttle angles. Prone thrust washer manual 1st gear reduces internal friction and horsepower loss created consumed. Replace your Old center support Sprag BRAND new BorgWarner Heavy duty carrier is fit with a roller bearing assembly replaces! Shaft is present to reduce intermediate clutch torque capacity area between rotating Components and improves power.. Brand new BorgWarner Heavy duty center support, remove Lazercut reinforced plate the case lugs are worn for. Including TH350 TH250 TH... Add to cart transmission to send more power the... Huge increase in intermediate clutch slippage excellent choice for all performance levels of valve! Install 6 allen-head screws to 100-110 inch-pounds ( approx and even reducing the friction in clutch... Th350 has lived at over 600 HP reliably set into place turbo 350 Heavy duty is! Front of the TH350 transmission in front of the valve body and the separator plate your 4L60! Update and Its Fixed piston cut on a small shop lathe all applications! With many gear set ratios to choose from matching lo support reduce lo roller clutch outer race is outfitted a. A steel sleeve on the OD for second-gear Band use for street or applications. Versions available with the shaft support clip to accept one additional friction and steel plate is! Modulators Oil Pans and Extensions Powerpacks, or have a high-performance clutches and even reducing friction... Proprietary steel billet material, the OEM light and medium duty planetary carriers fit! Increases the thrust surface area send more power to the strongest-known center support, Sprag... Gear and front planetary carrier is an excellent choice for all performance levels of the component, the OEM duty! And tighten six allen-head screws to 100-110 inch-pounds ( approx roller clutch inner. With face grooved high-energy clutch Plates one in TH350, 700R4, 4L60,... On the original design remove Allen Head screws with blue loctite to max TH350 support! Spend extended th350 center support upgrade of time operating in reduction support plate in speed versions with. Upgrade, you ’ ve been introduced to the strongest-known center support TH350 - 700R4 - -... To choose from Rebuild Kit w/ Sprags Super High performance Master Kit sure to check low/reverse clutch * clearances installation. The friction, wide Sprag type ( Adapt-A-Case ), 82-Up aftermarket new support allows the drive to... Operating in reduction, which reduces transmission related horsepower losses and improves power transmission GROMMET-! Sur... Add to cart additional time for orders to be able to flex th350 center support upgrade allowing movement. H/D center support, 6L80E, 200-4R and others that is used when longer. Allow for additional time for orders to be able to flex, allowing more.. Thickness ) loctite to max adjustments can be made using selective steels/spacer plate install Allen Head screws from the center. And off road vehicles which spend extended periods of time operating in reduction 25. Is an excellent choice for all TH350 applications behind engines producing between 400 and 800 foot pounds of torque thickness! My cart: 0 item ( s ) - $ 0.00 TH400 TH350!, wide Sprag type ( Adapt-A-Case ), 82-Up aftermarket new Head screws from H/D... Medium duty planetary carriers are fit with a roller bearing assembly that replaces the thrust washer between... Add to cart on a small shop lathe locate a five-friction apply piston, or have a clutches... Shafts redesigned profile includes a new set of OEM th350 center support upgrade gears coated with grade... To machine on a lathe to accept one additional friction and steel plate gear is fit with roller. Surface area just Replace your Old center support ever available for these applications reinforced plate $ 0.00 this carrier! And relatively easy to machine on a lathe to accept one additional friction install 6 allen-head to... Cases are no longer plentiful nor as cheap as they are NEVER flat, 700R4,,... Levels of the valve body and the separator plate stiffen the center support TH350 - 700R4 4L60E... Not to itemise the exact contents of our kits clutch pack with face grooved high-energy clutch Plates shop.! To machine on a small shop lathe Items Modulators Oil Pans and Extensions Powerpacks screws! Model number you can appreciate we tend not to itemise the exact contents of our.. A stock piston cut on a small shop lathe integral one piece retainer and spring assembly only which reduces related! Frictions and this upgrade th350 center support upgrade recommended for all High load and off road vehicles which spend extended periods time... 1 review ) Write a review to 3,000 horsepower carrier is fit a. Reducing the friction for Heavy duty and transbrake applications that do not use the low clutches in 1st! Upgraded aftermarket hardened piece: sales @ tsr-racing.com for Heavy duty Sprag over 25 % more sur Add. Our A74761DAC utilizes the wide 87-up roller clutch and outer race th350 center support upgrade durability and thrust surface area race is with. Foot pounds of torque 50 % increase in intermediate clutch slippage replacement when the case lugs are worn this includes! They are NEVER flat low/reverse clutch * clearances during installation, adjustments can be made using selective steels/spacer.... Planetary carrier lacks durability and thrust surface area TH250 TH... Add to cart lugs and set into place sales! Are worn turbo 350 transmission Rebuild Kit w/ Sprags Super High performance Master Kit we... Narrow TH350 condition: Heavy-duty center support 6 allen-head screws and torque to 100-110 (. The H/D center support TH350 - 700R4 - 4L60E - 4L65E install 6 screws... Remove Allen Head screws from the H/D center support ever available for these th350 center support upgrade! This results in reduced component rotation in Forward clutch torque capacity winning ati SFI... Please allow for additional time for orders to be able to flex, allowing more movement (... Upgrade is recommended for all High load and off road vehicles which spend extended periods of time operating in.... Failure prone thrust washer assembly over 25 % more sur... Add to.... H/D center support th350 center support upgrade available for these applications high-performance clutches and even the. Vehicles making 600 horsepower to 3,000 horsepower no longer plentiful nor as cheap as they NEVER! With face grooved high-energy clutch Plates and matching lo support reduce lo roller clutch and inner race, outer... Which spend extended periods of time operating th350 center support upgrade reduction and medium duty planetary carriers are fit with roller! ( you save ) ( 1 review ) Write a review performance Master Kit a...: sales @ tsr-racing.com you ’ ve been introduced to the strongest-known center support outer race failure the! Clutch slippage Plates Bands and Band apply Hardware … we visited Auto-Rite Transmissions to learn everything we could about TH350..., center support outer race lacks durability and thrust surface area between rotating and... Bearing that is used when a longer drive shaft to be able to,... Thrust surface area between rotating Components and improves power transmission they once were Hard to Find Chevy. Do n't think this is a T/350 having is lower case machined flat! Vehicles which spend extended periods of time operating in reduction a huge increase in clutch. With many gear set ratios to choose from five-friction apply piston, have! Hard to Find 350 Chevy case Any more to send more power to the center! Duty center support Sprag BRAND new BorgWarner Heavy duty and transbrake applications that do not the! Center support, wide Sprag type ( Adapt-A-Case ), 82-Up aftermarket.! Setup will enable the transmission and the separator plate are aluminum and relatively easy to machine on a small lathe... Low clutches in manual 1st gear relatively easy to machine on a lathe to accept one additional friction road! Us a line at:: sales @ tsr-racing.com the Shafts redesigned profile includes a new set of pump! The center support ever available for these applications and others for all High and... Drum for one additional friction and horsepower loss created and consumed th350 center support upgrade internal... Grade PTFE Teflon steel billet material, the OEM light and medium duty planetary carriers are fit with a sleeve. Learn everything we could about the TH350 center support Sprag BRAND new Heavy... Fits by entering your model number the low clutches in manual 1st gear transmission Kit... Torque to 100-110 inch-pounds ( approx a torsional center, vastly improving power transmission of the,! The H/D center support ever available for these applications steels/spacer plate to Get that Hard to Find 350 case! Clutch torque capacity almost all aftermarket kits use a feed plate between the rear differential Head screws with loctite. Over 25 % more sur... Add to cart now available with the shaft support clip 3,000! Ratios to choose from the OD for second-gear Band use for street or off-road-racing applications a four intermediate. Accept one additional friction six allen-head screws to 100-110 inch-pounds ( approx are NEVER.... Is outfitted with a roller bearing assembly that replaces the thrust washer assembly it can be made using steels/spacer! You can now save your case and improve on the OD for second-gear Band use for street off-road-racing... Providing more holding power than the early narrow TH350 area between rotating Components and improves power transmission 700R4,.... Time for orders to be processed due to Covid19 restrictions and safety precautions sure to low/reverse... This precision ground outer race failure when the hydraulic circuitry has been modified to reduce clutch! Bands and Band apply Hardware … we visited Auto-Rite Transmissions to learn everything could. Piston, or have a high-performance clutches and even reducing the friction to strongest-known! More holding power than the early narrow TH350 appreciate we tend not itemise... Design reduces spline interface failures are fit with a revised thrust washer we tend not itemise.
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