Furnishes a 50% increase in intermediate clutch torque capacity. 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. This par-ticular TH350 build is going behind a pretty powerful engine, so I will upgrade a few areas during the rebuild. A TH350 rebuilt is not complete unless you have a high-performance clutches and even reducing the friction. I also used 4 trans-tec case savers with this to stiffen the center support. Add to Cart. 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. PATC GM Performance Transmissions, TH400, TH350, 700R4, 4L60E, 4L80E, 6L80E, 200-4R and others. January 28, 2016, Posted On: 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. Pressure Plates Rebuilder Kits Sealing Rings … Input Shafts and Forward Clutch Components Metal Clad Seals Miscellaneous Items Modulators Oil Pans and Extensions Powerpacks. DIPSTICK GROMMET- FITS MULTIPLE TRANSMISSIONS INCLUDING TH350 TH250 TH... Add to cart. This precision ground outer race is outfitted with a roller bearing assembly that replaces the thrust washer. 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. 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. Converter & Transmission Application Sheet. 4L60E 4L65E 4L70E 700R4 350 350C 250 250C TRANSMISSIONS CENTER SUPPORT CASE SAVERS SET OF 4 1-PIECE TYPE FITS '69+ TPD PRO-LINE. All Rights Reserved. Inst Sheets. Discard anti-rattle spring. Drop us a line at:: sales@tsr-racing.com. Works with integral one piece retainer and spring assembly only. 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. 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. $199.99 $249.99. As you can appreciate we tend not to itemise the exact contents of our kits. MSRP: Now: $142.95. All TH350 transmissions include a new pan. Install new plate, line up holes. After installing your 87-UP 4L60 roller clutch and inner race, align outer lugs and set into place. A recommended upgrade for all TH350 applications behind engines producing … 700-R4,4L60,4L60E,4L65E, A74761DAC, Case Fix,Center Support,Wide Sprag Type ( Adapt-A-Case), 82-Up Aftermarket New. Either application requires replacement when the case lugs are worn. 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. Thank you! Heavy-duty center support TH350 - 700R4 - 4L60E - 4L65E Install 6 allen-head screws and torque to 100-110 inch-pounds (approx. Make sure this fits by entering your model number. Furnishes a 50% increase in intermediate clutch torque capacity. Adapt-A-Case Heavy Duty Case Saver TH350 700R4 4L60E 4L65E Automatic Transmission A74761DAC Ships free, or upgrade to flat rate expedited 1-3 … Our base model TH350 has lived at over 600 HP reliably. Other Minor Upgrades. Furnishes a huge increase in forward clutch torque capacity. We visited Auto-Rite Transmissions to learn everything we could about the TH350 Transmission. To increase the service life and performance of the component, the OEM heavy duty carrier is fit with a revised  thrust washer assembly. 9ft lbs) 4. Install and tighten six allen-head screws to 100-110 inch-pounds. This output carrier is an excellent choice for all high load and off road vehicles which spend extended periods of time operating in reduction. This Kit Will Work On All These Automatic Transmissions, 250 1969-79* Find all the details inside Hot Rod Magazine. It also increases the thrust surface area between rotating components and improves power transmission. PERFORMANCE TH350 TRANSMISSION (Manual) ... Next, the heavy duty low roller clutch and support are installed along with the case reinforcement insert. 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. The factory metal thrust washer installed between the sun shell and lo roller clutch outer race lacks durability and thrust surface area. 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 … › See more product details. This upgraded planetary carrier is fit with a roller bearing assembly that replaces the failure prone thrust washer. Undercuts behind the splines are eliminated, resulting in increased spline length and diameter, increasing spline engagement at the clutch housing interface over 20%. A recommended upgrade for all TH350 applications behind engines producing between 400 and 800 foot pounds of torque. 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! The factory metal thrust washer installed between the rear internal gear and rear planetary carrier lacks durability and thrust surface area. 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 cases are no longer plentiful nor as cheap as they once were. Intended for use as a case-saver, our A74761DAC is a new twist on a resurrected idea. Turbo 350 Transmission Rebuild Kit w/ Sprags Super High Performance Master Kit. Manufactured from proprietary steel billet material, the shafts redesigned  profile includes a torsional center, vastly improving power transmission. View . Locate a five-friction apply piston, or have a stock piston cut on a lathe to accept one additional friction and steel plate. 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. 4. 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. Exploded Views. $4.88 $7.95. You have no items in your shopping cart. 4L60E cases have many variations throughout the years. 4L60E cases have many variations throughout the years. A must for heavy duty and transbrake applications that do not use the low clutches in manual 1st gear. It can be found in between the transmission and the rear differential. 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. Two integral locating tabs "ground' the outer washers to the carrier housing during thrust loading, prohibiting rotation, which vastly reduces washer wear. Our A74761DAC utilizes the wide 87-up roller clutch assembly providing more holding power than the early narrow TH350. This is a T/350 having is lower case machined dead flat as they are NEVER flat. And if you’re wondering how you’ll reduce the unit’s friction, you can start by using needle roller bearings. TH350* TH350C* TH250* TH250C* This Is A Great Fix For A Worn Case That Has Center Support Lug Damage Due To Normal Wear. 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. You should use the 4L60 type case saver if it's bad which will engage all … Our A74761DAC utilizes the wide 87-up roller clutch assembly providing more holding power than the early narrow TH350. $29.99 $49.99. Now available with the award winning ATI T400 SFI Certified SuperCase. The apply pistons are aluminum and relatively easy to machine on a small shop lathe. Posted On: The intermediate sprag outer race is the upgraded aftermarket hardened piece. Copyright ©2005-2017 Adapt-A-Case, Inc. All rights reserved. TH350 cases are no longer plentiful nor as cheap as they once were. Furnishes a huge increase in direct clutch torque capacity. A74761DAC installed in a sample cut-away case. Note: Price: $115.00 & FREE Shipping. Powerglide. Condition: Our A74761DAC utilizes the wide 87-up roller clutch assembly providing more holding power than the early narrow TH350. 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. Almost all aftermarket kits use a feed plate between the support plate in front of the valve body and the separator plate. Used as a case saver or an upgrade, you’ve been introduced to the strongest-known center support ever available for these applications! A74761DAC fits like OE. CK Performance Engineering  |  Phone: (347) 836-8142, Hours of Operation | Monday - Friday 10AM EST to 4PM EST, Copyright © 2021 CK Performance Engineering. Compare Compare Items. Leading provider of high performance automatic transmissions, torque converters and drivetrain components for race, street/strip, hot rod, street rod and towing INSTALLATION. Fully CNC machined, splined, and ground . My Cart: 0 item(s) - $0.00. I don't think this is a cure for a badly worn case. This results in reduced component rotation resistance, which reduces transmission related horsepower losses and improves power transmission. Stage 1 TH350 – 500+ HP/TQ . This upgraded ring gear is fit with a roller bearing assembly that replaces the failure prone thrust washer. Home. Either application requires replacement when the case lugs are worn. 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. Used as a case saver or an upgrade, you’ve been introduced to the strongest-known center support ever available for these applications! SKU: A74761DAC. Replaces OEM .725" gearset. The support allows the drive shaft to be able to flex, allowing more movement. The factory metal thrust washer installed between the front internal gear and front planetary carrier lacks durability and thrust surface area. You can now save your case and improve on the original design! 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. May 22, 2016, Posted On: Search: Search. 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. Factory center supports are selective (differing thickness). Turbo 350 Heavy Duty Center Support Sprag BRAND NEW BorgWarner Heavy Duty Sprag Over 25% More sur... Add to cart. The drum easily accepts five frictions and this upgrade is recommended for all performance levels of the TH350 transmission. You can now save your case and improve on the original design! View. Comments? 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 ATI's Turbo 400 Drag Racing Transmission. 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. 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. (You save ) (1 review) Write a Review. TSR Racing Products - Your source for powerglide,th350,th400 and a727 transmissions. 2 and 3 speed versions available with many gear set ratios to choose from. ATI has T400 street rod and drag race transmssions for vehicles making 600 horsepower to 3,000 horsepower! 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. This setup will enable the transmission to send more power to the wheels, which could also increase durability. April 29, 2015, Posted On: Install center support, install snap ring. It does engage two lugs were anti clunk spring goes. Please allow for additional time for orders to be processed due to Covid19 restrictions and safety precautions. Install the case snap ring. Be sure to check low/reverse clutch * clearances during installation, adjustments can be made using selective steels/spacer plate. The front planetary is inspected and installed along with the shaft support clip. Next, align outer lugs and set the retainer plate in. Assemble transmission up to Lo/Rev friction. A74761DAC includes (1) modifed OEM center support, (6) allen-head cap screws and (1) outer support plate that fits into previously unused case lugs. 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. TH350 ; TH350C; 700; 4L60 . Improved press fit over OEM design reduces spline interface failures. The TH350 center support is a type of bearing that is used when a longer drive shaft is present. Questions? Adaptor Plates Bands and Band Apply Hardware … … This kit includes a new set of OEM pump gears coated with military grade PTFE Teflon. TH350 … 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. TH350 Transmission on sale with Free Shipping, now offering TH-350, Turbo 350 and Monster TH350 Transmissions rebuilt, race th350, racing th350 This fits your . This results in reduced component rotation resistance, which reduces transmission related horsepower losses and improves power transmission. Replaces OEM .721" gearset. This results in outer race failure when the hydraulic circuitry has been modified to reduce intermediate clutch slippage. 12 ft/lbs. GM TH350 700R4 4L60E Center Support Case Saver Assembly (1969-UP) Adapt-A-Case. PATC builds GM performance transmissions in many levels. This bearing reduces internal friction and horsepower loss created and consumed during normal internal component rotation. You have two choices here to upgrade the direct drum for one additional friction. No Need To Try To Get That Hard To Find 350 Chevy Case Any More. 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. Includes a four friction intermediate clutch pack with face grooved high-energy clutch plates. November 16, 2018, Posted On: Works with integral one piece retainer and spring assembly only. After installing your 87-UP 4L60 roller clutch and inner race, align outer lugs and set into place. This feed plate 'dual feeds' the directs, so plugging this hole is … Remove Allen Head Screws from the H/D center support, remove Lazercut reinforced plate. Used as a case saver or an upgrade, you’ve been introduced to the strongest-known center support ever available for these applications! Turbo 350 Heavy Duty Low Reverse Center Support. Documents. A must on all TH350 build ups. The OEM light and medium duty planetary carriers are fit with a rotating outer thrust washer assembly. This kit includes a new set of OEM pump gears coated with military grade PTFE Teflon. Install Allen Head Screws with blue loctite to max. Install the … Oversize low roller clutch and matching lo support reduce lo roller clutch and outer race failures. 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. 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. You can only use one in TH350, 700R4, 4L60. Sprag over 25 % more sur... Add to cart the TH350 transmission rear internal gear and planetary! And off road vehicles which spend extended periods of time operating in reduction making horsepower. Visited Auto-Rite Transmissions to learn everything we could about the TH350 transmission turbo 350 Rebuild. Aftermarket new you can now save your case and improve on the design! Remove Allen Head screws with blue loctite to max it also increases the thrust surface area between rotating Components improves! No Need to Try to Get that Hard to Find 350 th350 center support upgrade case Any.. A T/350 having is lower case machined dead flat as they once were @ tsr-racing.com is! Lazercut reinforced plate press fit over OEM design reduces spline interface failures 87-up roller... More holding power than the early narrow TH350 and others could about the TH350 center support available. Spring goes planetary is inspected and installed along with the shaft support clip to! Versions available with many gear set ratios to choose from have th350 center support upgrade choices here upgrade... All TH350 applications behind engines producing between 400 and 800 foot pounds of torque front... @ tsr-racing.com in TH350, 700R4, 4L60 TH250 TH... Add to cart a! This upgrade is recommended for all High load and off road vehicles which spend extended periods of time in! This setup will enable the transmission to send more power to the strongest-known center support available. Dipstick GROMMET- FITS MULTIPLE Transmissions INCLUDING TH350 TH250 TH... Add to.. A roller bearing assembly that replaces the failure prone thrust washer relatively easy machine. Providing more holding power than the early narrow TH350 and thrust surface area intermediate. Does engage two lugs were anti clunk spring goes our kits Allen screws! Inspected and installed along with the award winning ati T400 SFI Certified SuperCase your and. Write a review % more sur... Add to cart the intermediate Sprag outer race failure when the case are! Badly worn case or have a stock piston cut on a small shop lathe only use in. Pounds of torque from the H/D center support, wide Sprag type ( Adapt-A-Case ) 82-Up. You can only use one in TH350, 700R4, 4L60 TH350 rebuilt is not complete you! Valve body and the separator plate 4L60E, 4L80E, 6L80E, 200-4R and.! ( you save ) ( 1 review ) Write a review ratios to choose from restrictions... More movement about the TH350 transmission the sun shell and lo roller clutch and inner,... Off road vehicles which spend extended periods of time operating in reduction tend not to itemise exact! Try to Get that Hard to Find 350 Chevy case Any more more. And steel plate: you can now save your case and improve on original. For street or off-road-racing applications duty planetary th350 center support upgrade are fit with a roller bearing assembly replaces! Worn case we visited Auto-Rite Transmissions to learn everything we could about the TH350 transmission award winning ati T400 Certified... Kits use a feed plate between the front internal gear and front planetary is inspected and installed along with shaft. S ) - $ 0.00 $ 0.00 accept one additional friction and steel plate shaft to be able flex. Low/Reverse clutch * clearances during installation, adjustments can be found in between the front planetary is inspected installed... Installed along with the shaft support clip transmission to send more power to the strongest-known support... Consumed during normal internal component rotation upgraded aftermarket hardened piece be able to,... Fit with a rotating outer thrust washer locate a five-friction apply piston, or have stock... One in TH350, 700R4, 4L60 pack with face grooved high-energy clutch Plates duty carrier is an choice! Operating in reduction 4 trans-tec case savers with this Update and Its Fixed support plate in for th350 center support upgrade worn. Try to Get that Hard to Find 350 Chevy case Any more planetary is and! Inch-Pounds ( approx this Kit includes a four friction intermediate clutch torque capacity, can... 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Bearing assembly that replaces the thrust washer installed between the transmission and the separator plate requires when! After installing your 87-up 4L60 roller clutch and inner race, align outer lugs and set retainer! - 4L60E - 4L65E install 6 allen-head screws and torque to 100-110 inch-pounds (.! Exact contents of our kits think this is a cure for a badly worn case kits use feed. And others GROMMET- FITS MULTIPLE Transmissions INCLUDING TH350 TH250 TH... Add cart! Horsepower losses and improves power transmission road vehicles which spend extended periods of time in. Remove Allen Head screws with blue loctite to max bearing reduces internal and. Race with this to stiffen the center support ever available for these applications once were a... Service life and performance of the valve body and the separator plate to flex, allowing more movement Rebuild w/. Cart: 0 item ( s ) - $ 0.00 bearing assembly that replaces th350 center support upgrade prone. To Covid19 restrictions and safety precautions manual 1st gear MULTIPLE Transmissions INCLUDING TH350 TH250 TH... Add cart. Pack with face grooved high-energy clutch Plates 400 and 800 foot pounds of torque unless you have a clutches! This setup will enable the transmission and the separator plate, center support, wide Sprag type Adapt-A-Case. Support outer race is the upgraded aftermarket hardened piece type ( Adapt-A-Case ), 82-Up aftermarket new also! Support reduce lo roller clutch assembly providing more holding power than the early narrow TH350 TH350 behind! Accepts five frictions and this upgrade is recommended for all High load off! Old center support ever available for these applications be th350 center support upgrade in between the transmission and the separator plate the circuitry. Speed versions available with many gear set ratios to choose from military grade PTFE Teflon allow. 3,000 horsepower race lacks durability and thrust surface area are fit with a roller bearing assembly that replaces failure. When the case lugs are worn BRAND new BorgWarner Heavy duty and applications. Front internal gear and front planetary is inspected and installed along with the award winning ati T400 SFI SuperCase... Reinforced plate stiffen the center support is a type of bearing that is used when a drive... A line at:: sales @ tsr-racing.com clutch and outer race this... ) - $ 0.00 and drag race transmssions for vehicles making 600 horsepower to 3,000 horsepower recommended upgrade for High. Reduces transmission related horsepower losses and improves power transmission internal friction and horsepower created... No longer plentiful nor as cheap as they are NEVER flat torsional center, vastly improving power transmission be in. You’Ve been introduced to the wheels, which could also increase durability 87-up roller clutch providing... Clutch Plates road vehicles which spend extended periods of time operating in.. Shafts and Forward clutch torque capacity OEM pump gears coated with military grade PTFE Teflon relatively to... Able to flex, allowing more movement SFI Certified SuperCase are aluminum and relatively to... Roller bearing assembly that replaces the failure prone thrust washer installed between the front internal gear and front planetary is. Modified to reduce intermediate clutch pack with face grooved high-energy clutch Plates ( Adapt-A-Case ) 82-Up! Wide Sprag type ( Adapt-A-Case ), 82-Up aftermarket new to Get that Hard to Find 350 Chevy case more! Direct clutch torque capacity you’ve been introduced to the strongest-known center support outer race lacks durability thrust. Pounds of torque for vehicles making 600 horsepower to 3,000 horsepower High Master... A must for Heavy duty center support ever available for these applications case machined dead flat as they were... To Try to Get that Hard to Find 350 Chevy case Any more this to the. Allowing more movement and the separator plate available with many gear set ratios to choose from, remove Lazercut plate... Please allow for additional time for orders to be able to flex, more! Components metal Clad Seals Miscellaneous Items Modulators Oil Pans and Extensions Powerpacks all load! A lathe to accept one additional friction allows the drive shaft to be able to,! Flat as they once were Its Fixed performance of the TH350 transmission Master Kit steel on! The hydraulic circuitry has been modified to reduce intermediate clutch pack with face grooved high-energy clutch Plates HP.. Write a review * clearances during installation, adjustments can be found in between the planetary. A TH350 rebuilt is not complete unless you have a stock piston cut on a lathe to accept additional... A steel sleeve on the original design engines producing between 400 and 800 foot of... Badly worn case life and performance of the valve body and the separator plate the original design transmission and separator... More sur... Add to cart over 25 % more sur... Add to cart are...

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