th350 sprag upgrade

HD sprag, Direct Drum assembly, HD 300M The OEM unit is subject to cracking and breakage under hard use. T350 with SuperCase and Chevy Bell - 2.75 gears - 5 pinion. This kit includes all the rebuild components we use to build our Stage 1 TH350 units. Great for high horsepower engines in heavy cars. BTE TH350 Heavy Duty Drum w/ Sprag. Crisp, clean shifts without harshness. Stage 2 TH350 – 750 HP/TQ capable. TH350 Heavy Duty High Performance Intermediate Race sprag for high horsepower Turbo 350 GM automatic transmissions. Master Rebuild Kit with Borg Warner Tan OEM style frictions and high quality paper/rubber kit. $21.20 BTE TH350 Direct Steel Clutches. If you install a shift kit, you may as well do this upgrade. $19.08 BTE TH350 Intermediate Friction Clutch Pack. Telephone: (318) 742-7353 © PATC Performance Automotive and Transmission Center, © PATC Performance Transmissions Dodge GM Ford 2018. A kit containing all the parts to rebuild it as above would be $275. TH350 Mega Monster In A Box. The aftermarket offers a hardened outer intermediate sprag race as an upgrade for the TH350 transmissions. The best parts for performance & heavy-duty recalibration. TH350 • 700R4 • 4L60/65E Intended for use as a case-saver, our A74761DAC is a new twist on a resurrected idea. Have questions about this specific product? Year 1969-1986A hardened outer sprag race for the intermediate sprag or roller clutch.&; This race is a must in any performance application. Estimated Ship Date: Monday 3/22/2021 if shipped by air. All TH350's and ~71-up Th400's have the roller clutch style setup. This is critical upgrade for high performance applications. 750 HP/TQ capable. Rated up to 550hp. Christensen says that the first part to fail when power levels increase is the intermediate sprag race. This drum utilizes one of the LARGEST intermediate sprags available today. Find HD/HP Parts Undercuts behind the splines are eliminated, resulting in increased spline length and diameter, increasing spline engagement … Sprag/Roller Clutch, 29-Element, Forward Sprag, Low-Reverse Clutch, GM, 4L60E/700R4, Each. Save money when you buy your transmission and converter together! ALUMINUM 36-ELEMENT A recommended upgrade for all TH350 applications behind engines producing between 400 and 800 foot pounds of torque. Case and Direct Fit SFI Bell, T350 with Chevy Case and Direct Fit SFI Bell. Built with a thicker hardened outer race, extra wide bushing and a heavy duty 36 element sprag. TH350 High Performance Drum with Sprag-TH350 High Performance Drum with Sprag A re-furbished drum that has a hardened inner and outer race added to it 0 800-708-0087 Race, Outer, Steel, Fits 36 Element Sprag, GM TH350, Each. Refundable core charge for acceptable core is $175. Line Pressure Booster Kits. Great for high horsepower engines in heavy cars. Tools … TH350 Drum 36 Element Sprag 350-327900 ... TH-350 direct drum heat treated outer race 36 element sprag wide bushing and spiral lock. This rebuilt TH350 drum features a high performance sprag and race setup that effectively doubles the strength of the assembly. BUT, they can roll over as we know. Part Number: ATI-357110. Part Number: TCI-373601 Not Yet Reviewed TH350 Sprag & Steel Drum Assembly. TH350 SS Mega Monster In A Box. TH350 TH350C Heavy Duty Intermediate Overrun Clutch Outer Race Sonnax Number 35723HD-02 $ 89.00 Add to cart; TH350, Drum with 36 Element Upgraded Intermediate Sprag. 16 Rollers. Our Stage 2 TH350 includes all the features of the Street model plus a 36 element sprag and drum upgrade, special retaining ring on the sprag, and a deep aluminum pan standard. I normally have no issues with them up to about that level of power with only the addition of a 36-element sprag/drum/Spiroloc and decent frictions and a good rebuild. HP upgrade - ADC-A74761D ... Adapt-A-Case Heavy Duty Case Saver TH350 700R4 4L60E 4L65E Automatic Transmission A74761DAC; Ships free, or upgrade to flat rate expedited 1-3 day shipping for $3.99! $9.75. be supplied. I have one guy running a 496" in a street … This kit comes with all the parts you could ever need to get your transmission up to the Monster level. A heat treated intermediate sprag race is darker colored than a stock part. Valve Body, ATI Reverse Manual Transbrake Valve Body with Band Apply for The intermediate sprag outer race is the upgraded aftermarket hardened piece. * Credit may be obtained for the return of a good core on the This shot above shows almost everything that is used to build the EXTREME T/350 with only the converter and rear annulus missing. circuits, T350 with Chevy Case - Forward Pattern Auto Shift, T350 with Chevy Case and Direct Fit SFI Bell - Forward Pattern Auto Shift, T350 with Chevy Case - Forward Manual with Band Apply, T350 with Chevy Case and Direct Fit SFI Bell - Forward Manual with Band Apply, T350 Street Strip Forward Auto Transmission, T350 with Chevy The sprag—or one way clutch—is extremely important in the GM TH350 and TH400 because they carry an upshifting torque load. Choose from several applications that include an ATI Street/Strip transmissions, a Streetmaster Torque Converter, transmission cooler, a “Trick Stick” locking dipstick and tube and, on non electronic units, a case of ATI’s Super F™ automatic transmission fluid! Free Shipping; $149.95. Adapt-A-Case Heavy Duty Case Saver TH350 700R4 4L60E 4L65E Automatic Transmission A74761DAC $397.50 BTE TH350 Forward Friction Clutches. 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. A TH350 rebuild with all new frictions, steels, bushings, thrust washers, 5 clutch direct upgrade, valve body mods for firmer shifts, new intermediate roller clutch and hardened outer race would be $650 for the rebuild assuming your core was good at my shop. This was the #1 weak point on TH350 … Rated up to 400hp. $21.20 BTE TH350 Reverse Steel Clutches. You may also be interested in the following product(s) Transmission Assembly Lube, Blue 1 lb Tub 96-304. T350 with Chevy Case and Direct Fit SFI Bell - Includes coated pump gears, #355270 forward drum - turbo spline only! A must have high performance racing upgrade… As it is usually the first part to go in a TH350 transmission, I find that it is a necessary upgrade for any performance oriented engine. PAN, 1/4" NPT male to -6 AN male Even more so with harsher shift calibrations. Estimated Ship Date: Monday 3/22/2021 if shipped by air. line fittings, ATI Street/Strip Manufactured from proprietary steel billet material, the shafts redesigned profile includes a torsional center, vastly improving power transmission. Email Us: sales@ptptrans.com Call Us: 1-877-782-5582. This item: Turbo TH350 TH350C Transmission Low Reverse Sprag Roller Clutch 1969-1986 $19.50 Only 12 left in stock - order soon. core fee be paid. 350 th350 transmission intermediate sprag outer race heavy duty aftermarket fits '69-'86 Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) KIT COMES WITH: Complete RED high-performance Reybestos Friction Module Complete Reybestos Steel Module Reybestos High Energy Front Band Reybestos Red Stripe Modulator HIGH flow BRASS filter Complete Bushing Kit Brand New Plastic Vent Tube Complete Thrust Washer Kit New Borg Warner Low Reverse Sprag 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. TH350 drum with 36 element upgraded intermediate sprag with more than double the strength of a factory unit. Door - Ease Stick Lubricant 96-DEK3. BTE TH350 Heavy Duty Drum w/ Sprag. I find that if you can install a shift kit, you can do this. © 2019 ATI Performance Products, Inc | All Rights Reserved | Prices subject to change without notice. Not Yet Reviewed. $10.60 BTE TH350 Reverse Friction Clutches. • Award-Winning Shift Upgrade Kits. This par-ticular TH350 build is going behind a pretty powerful engine, so I will upgrade a few areas during the rebuild. All 4WD transmissions require The heat treatment makes the race less brittle. This is the same race we use in our heavy duty 36 element sprag drum. 4L60/70/75-E. 4R100. This was the #1 weak point on TH350 transmissions. T350 with Chevy Case - Includes coated pump gears and #355270 forward drum - turbo spline only! The intermediate sprag race and sprag (actually a roller clutch) take a brutal amount of force on a 1-2 shift at high rpm. TH350 Rebuild Kits. Stronger sprag races are available from nearly all high-performance transmission suppliers. Only logged in customers who have purchased this product may leave a review. It takes more abuse than the stock outer race, but can still fail in a high-torque application if it is used with the stock roller clutch assembly. Torque Converter. A re-furbished drum that has had a hardened inner and outer race added to it. TH350 1969-1979 / TH350C 1980-1986. an actual core. It is the single weakest part of a TH350. Low reverse sprag, roller clutch center support. Hardened intermediate sprag race, case vent, extra friction/steel for the direct, and some other upgrades. The sprag type element is generally considered stronger, IMO mostly because it has more elements so greater contact area, more evenly spread, around the diameter of the race. HD SPRAG. TH350 Ships from and sold by Phoenix Transmission Parts. engine braking while throttle is lifted, Steel 36 element 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. Designed utilizing the latest technology, this product by TCI features premium quality and will perform better than advertised. TH350 iron direct drum with HD 36-element sprag assembly. Built with a thicker hardened outer race, extra wide bushing and a heavy duty 36 element sprag. STEEL 36-ELEMENT Performance Packs. Fully blueprinted and equipped with high flow lube The venerable TH350 saw duty in some of GM's most prestigious hot rods and is strong enough for most non big-block applications. FORWARD DRUM with 300M, DEEP CAST ALUMINUM TH350 drum with 36 element upgraded intermediate sprag with more than double the strength of a factory unit. HD SPRAG, ALUMINUM Input Shaft - PG or Turbo Spline, Aluminum Direct Drum with HD Sprag Assembly. T-350 and T-400 Kits, T350 transmissions ... Our A74761DAC utilizes the wide 87-up roller clutch assembly providing more holding power than the early narrow TH350. It boasts a HUGE 36 element sprag assembly. Case, T350 with Chevy Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed stringent industry standards. require a like-kind core supplied or a unit specific The Monster-In-A-Box transmission rebuild kit for the TH350 is available for GM vehicles. The TH350 (Turbo-Hydramatic 350) and TH700R4 (Turbo-Hydramatic 700-R4) can be thought of as relatives of a sort: uncle and nephew, if not father and son. Turbo TH350 TH350C TH250 TH250C Low Reverse Sprag Roller Clutch 1969-1986. Help prevent failures with these components and compete with increased confidence.
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