Th400 Build Kitcom/wiki/TH400_rebuild_techRebuilding a TH400 for High Performance! 👍Rebuilding my craigslist score that wasn't a fresh rebu. Build it yourself and save! Our Monster Rebuild Kits are moderately priced and offer an exceptional value for the performance minded street enthusiast. Of course most people don't need a transmission shifting at 5,000 rpm's ! or a torque converter with a stall speed of 3,000 rpm's either. Build your own "Grudge Winner" 2 speed TH400 transmission with this kit. Ships from and sold by Patriot Transmission & Performance. Find Parts and Accessories Th400 build kits KEYWORD and get Free Shipping on Orders Over $99 at Summit Racing!. I am unsure what kit to purchase. Solid teflon is on the left, then scarf cut teflon, then cast-iron. This TH-400 rebuild kit is rated to 500hp and 450 ft lbs of torque. Turbo 400 TH400 High Performance Race Transmission 2WD : 4" Tail with Free Transmission Fluid 5 Review (s) The Turbo 400 SSMega Monster transmission is tough enough to withstand the rigors of even the toughest street machines delivering tire-spinning shifts race after race. External Build The TH400 transmission comes with a case made of cast aluminum alloy to give it strength and durability. Learn more Product Available Part Number:TS-K6100E-TH4 + ADD TO CART Questions?. Master Rebuild Kit: TH400 Transmission This Kit Includes: Friction clutch plates, standard steel plates, paper gaskets, O rings, lip seals, metal clad seals and sealing rings. Was thinking about using the 1. Automatic Transmission Rebuild Kit, Master Racing, GM, TH400, Kit. This TH-400 rebuild kit is rated to 500hp and 450 ft lbs of torque. THM 400 Techtran Manual, ATSG Automatic Transmission Service Group www. JW Performance Turbo 400 Trans Rebuild Kits The time to perform a Turbo Hydramatic 400 transmission rebuild with one of these kits is before trouble strikes. Mega Monster Rebuild Kit Includes: Gaskets O-Rings Lip Seals Sealing Rings Friction Clutch Plates ( 3-Intermediate ) * Steel Plates ( 3-Intermediate, 5-Forward, 5-Direct ). Use a sharp-angle cut punch to catch the edge of the old bushing and remove it. 12 Buy in monthly payments with Affirm on orders over $50. Scarf cut teflon was used on later model Th400's. Adding just oneclutch (from five tosix) immediately adds 20-plus percent to theholding capacityoftheclutchpack. It's all the same parts, but the sprag assembly is flipped-over. Build your own "Grudge Winner" 2 speed TH400 transmission with this kit. FTI Performance TH400 U-Build It Kits F4019-5C. Kit Shift Kit® 64-98 1 TH400. Use care to avoid damaging the material where the bushing rides. com/_ylt=AwrFQbG8y2dkUFUSPy9XNyoA;_ylu=Y29sbwNiZjEEcG9zAzIEdnRpZAMEc2VjA3Ny/RV=2/RE=1684552765/RO=10/RU=http%3a%2f%2fwww. TH400 Rebuild Kit The Monster-In-A-Box transmission rebuild kit for the TH400 is available for GM vehicles. TH400 Rebuild Kits This kit includes all the rebuild components that we use to build our Stage 2 TH400 units. It will have a complete kit with High Energy frictions throughout, new steels, torrington bearing upgrades for the output shaft to case, and a machined forward hub with. This kit contains the essential components needed to upgrade your TH400 to our "Grudge Winner" spec two speed transmission. F4019: TH400 u-build-it kit, 3 clutch intermediate. TCI Master Racing Overhaul Kits 259015. FTI Performance TH400 U-Build It Kits F4019-5 Automatic Transmission Rebuild Kit, U-Build It, Steels, 5 Clutches, Gaskets, Seals, Filter, Chevy, TH400, Kit. TH400 U-Build-It Kit Our Products >> TH400 U-Build-It Kit Click To Enlarge Turbo 400 Performance Racing Transmission Parts by FTI Performance. 00 Add To Cart Compare Wish List FTI Performance TH400 U-Build It Kits F4019-5C. JW Performance 30110-U - Ultimate Overhaul Kit TH400 Includes: (0). TH400 Rebuild Kits This kit includes all the rebuild components that we use to build our Stage 2 TH400 units. For Free! Monster Sale Price: $1,849. Master Rebuild Kit: TH400 Transmission This Kit Includes: Friction clutch plates, standard steel plates, paper gaskets, O rings, lip seals, metal clad seals and sealing rings. #1 Double R Restorations Veteran Member Jan 11, 2002 2,554 I need a kit for my th400 rebuild. This kit is custom set to the type of unit purchased. There is absolutely no benefits of using Kolene steels in a GMTH400 transmission. TH-400 Master Racing Overhaul Kit. This TH400 is the largest of the common GM automatic transmissions, however, the transmission still maintains a compact design. FTI Offers a wide variety of TH400 Parts including racing transmisison pumps, valve bodies, gear sets and deep transmission pans. Save big when you put all the parts you need for your next performance TH400 transmission rebuild with GTP's Custom Turbo 400 rebuild kits. F4019: TH400 u-build-it kit, 3 clutch intermediate. You will also probably want to add a complete set of thrust washers just in case you need any. Find Parts and Accessories Th400 build kits KEYWORD and get Free Shipping on Orders Over $99 at Summit Racing! FREE SHIPPING on Orders Over $99!. Trans Go or any other shift kit is usually geared toward being installed without removal of the transmission and also being able to return to normal if needed. TH400 Stage 2 Transmission Rebuild Kit rated to 1000HP. Rebuild kit includes 300M Billet input, 300M Billet main shaft (intermediate), 34 element sprag direct drum, blue clutches, 5 clutch direct, 5 clutch forward, 3 clutch intermediate, HD intermediate band, new steels, high carbon reverse band, deep aluminum pan, with all parts for our Stage 2 TH400 transmission. It will have a complete kit with High Energy frictions throughout, new steels, torrington bearing upgrades for the output shaft to case, and a machined forward hub with bearing, new OEM rear band, low roller clutch, 34 element sprag, full set of bushings. It comes as a performance Mega package and also has a SS variant for those needing a higher horsepower and torque rating. http://www. TCI Master Racing Overhaul Kits 259015. 95 Rated to 1000HP TH400 Stage 2 Rebuild Kit Includes: 300M Billet Input 300M Billet Main Shaft (intermediate) Blue Clutches 5 Clutch. My first 455, which I pulled from a '70 GTO, broke the 16 element sprag in a stock TH400, & in a TCI "Full Competition" reverse valve body TH400. For those looking to make the step up to a 2-speed, Hughes Performance just gave you the key with the new “Do-It-Yourself Extreme Duty 2-speed TH400 Transmission Conversion Kit” (Part # HP2205). The Turbo 400 SSMega Monster transmission is ideal for vehicles powered by engines producing up to 750 horsepower using pump gasoline. They come with bottles of ATF, fluid coolers, heavy. There may be ways to do things better or smarter on the bench but understand the shift kit makers intent. Our Sonnax-equipped, in-house built TH400 survived hot lapping 3 - 4 passes every day for 5 days and survived on the 1,200-mile drive flawlessly. Tough Sonnax parts for Drag Week's most competitive and toughest class. Each TH400 transmission kit includes the same quality components that JW uses in the high performance and racing TH 400 transmissions that they build. This kit includes: A Transtec overhaul set with every rubber seal, gasket, o-ring, metal clad seals, and teflon sealing rings that you'll need to complete your rebuild All Red Raybestos HP friction clutch plates All Alto Kolene Steel plates. FTI Performance TH400 U-Build It Kits F4019-5 Automatic Transmission Rebuild Kit, U-Build It, Steels, 5 Clutches, Gaskets, Seals, Filter, Chevy, TH400, Kit Part Number: FTI-F4019-5 Not Yet Reviewed Estimated Ship Date: Tomorrow Free Shipping $279. FTI Offers a wide variety of TH400 Parts including racing transmisison pumps, valve bodies, gear sets and deep transmission pans. Find Automatic Transmission Rebuild Kits TH400 Transmission Type and get Free Shipping on Orders Over $109 at Summit Racing!. FTI Performance TH400 U-Build It Kits F4019-5 Automatic Transmission Rebuild Kit, U-Build It, Steels, 5 Clutches, Gaskets, Seals, Filter, Chevy, TH400, Kit Part Number: FTI-F4019-5 Not Yet Reviewed Estimated Ship Date: Tomorrow Free Shipping $279. Automatic Transmission Rebuild Kit, Bands, Clutches, Gaskets, Seals, Filter, Kolene Steels, TH400, Chevy, Kit. 64-98 1 TH400. TH400 U-Build-It Kit Our Products >> TH400 U-Build-It Kit Click To Enlarge Turbo 400 Performance Racing Transmission Parts by FTI Performance. Automatic Transmission Rebuild Kits - TH400 Transmission Type. Now Includes the best Full Synthetic Transmission Fluid on the Market provided by Burn Rubber Brewing Co. Usually ships within 6 to 10 days. Our Stage I TH400’s are an upgraded build. com and How to Rebuild & Modify GM Turbo 400 Transmissions (S-A Design Workbench Series): Ruggles, Cliff: 9781934709207: Amazon. ICT Billet - Transmission Adapter Fittings Front and Rear -6AN Flare to 1/4" NPSM TH350 TH400 4L60E 700R4 200-4R TR6060 AOD 4R100 4R70W C5 Aluminum 551114. Use a sharp-angle cut punch to catch the edge of. Mega Monster Rebuild Kit Includes:. F4019-4: TH400 u-build-it kit, 4. Steve & Dustin Trance • Hot Rod Drag Week Class Champions Smart-Tech®Drum Module. 95 Rated to 1000HP TH400 Stage 2 Rebuild Kit Includes: 300M Billet Input 300M Billet Main Shaft (intermediate) Blue Clutches 5 Clutch Direct 5 Clutch Forward 3 Clutch Intermediate HD Intermediate Band New Steels 34 Element Sprag Direct Drum High Carbon Reverse Band. This kit contains the essential components needed to upgrade your TH400 to our "Grudge Winner" spec. Buy in monthly payments with Affirm on orders over $50. THM 400 Techtran Manual, ATSG Automatic Transmission Service Group www. 00 Product information Technical Details Additional Information Warranty & Support Product Warranty: For warranty information about this product, please click here Feedback Would you like to tell us about a lower price?. The next cheap upgrade(below) is upping the num-of clutches in the for-ward (First gear) drumand the direct (Thirdand Reverse) drum. It is an upgrade from the TH400 RACE FULL KIT. dition of the TH 400 has a slightly thick-er bellhousing casting to reduce the chances of cracking with the heavy transfer-case loads placed upon it. There were three levels of TH400 builds: Level 2 ($1,395) will hold up to 450 hp; Level 3 ($2,195) up to 550 hp; and the Level 4 ($4,395) package will handle up to 850 hp. SK01 Kit Reprogramming Kit™, Heavy Duty & Competition 64-98 1 TH400. The Turbo 400 SSMega Monster transmission is ideal for vehicles powered by engines producing up to 750 horsepower using pump gasoline. The Raybestos Powertrain TH400 Stage-1 Performance Transmission Super Rebuild Kit contains upgraded friction clutch plates, premium steels, and more performance parts to. The Game-Changer for a Faster, Tougher, Stronger TH400. TH400 Stage 2 Rebuild Kit starts at $1824. 1 $7995 FREE delivery Fri, May 12 Or fastest delivery Wed, May 10 Only 10 left in stock - order soon. FTI Offers a wide variety of TH400 Parts including racing transmisison pumps, valve bodies, gear sets and deep transmission pans. Build Your Own Custom Turbo 400 Transmission Master Rebuild Kit. JW Performance Turbo 400 Trans Rebuild Kits The time to perform a Turbo Hydramatic 400 transmission rebuild with one of these kits is before trouble strikes. This product cannot be ordered at this time. You can not have "Full manual Control" with automatic shifts too. The main reason to do any of these modifications is durability and longevity of the transmission. FTI Performance TH400 U-Build It Kits F4019-5 Automatic Transmission Rebuild Kit, U-Build It, Steels, 5 Clutches, Gaskets, Seals, Filter, Chevy, TH400, Kit Part Number: FTI-F4019-5 Not Yet Reviewed Estimated Ship Date: Tomorrow Free Shipping $279. This kit is custom set to the type of unit purchased. TH400 Stage 2 Rebuild Kit starts at $1824. This TH-400 rebuild kit is rated to 500hp and 450 ft lbs of torque. If it's a mild 400-450 HP build the cheaper kit will work fine. This kit has available all the parts needed to make your transmission a true Monster. Future availability is unknown. These are designed to replace a daily driver TH400 behind a stock or near stock engine and have increased service life due to our hydraulic, mechanical, and lubrication upgrades. Each TH400 transmission kit includes the same quality components that JW uses in the high performance and racing TH 400 transmissions that they build. Kit Shift Kit® 64-98 1 TH400. TH400 Stage 2 Rebuild Kit starts at $1824. 02-05-2022, 08:23 PM TH 400 Pontiac Transmission Build or not to Build Myself? I picked up a full rebuild kit for my TH 400 Pontiac Trans. These are designed to replace a daily driver TH400 behind a stock or near stock engine and have increased service life due to our hydraulic, mechanical, and lubrication upgrades. Estimated Ship Date: Mar 29, 2023 (if ordered today) Free Shipping. Call and check core availability for 4WD units. A great value: all-in-one kit upgrades forward & direct drums plus everything else from intermediate sprag to back of the pump. Cast iron is what most kits will contain, and what was used stock in most TH400's. FTI Performance TH400 U-Build It Kits F4019-5. This kit includes: A Transtec overhaul set with every rubber seal, gasket, o. Build it yourself and save! Our Monster Rebuild Kits are moderately priced and offer an exceptional value for the performance minded street enthusiast. These automatic transmission rebuild kits will take the guesswork out of your auto transmission repair or rebuild by supplying all the small pieces and parts in one convenient kit. Turbo 400 TH400 High Performance Race Transmission 2WD : 4" Tail with Free Transmission Fluid 5 Review (s) The Turbo 400 SSMega Monster transmission is tough enough to withstand the rigors of even the toughest street machines delivering tire-spinning shifts race after race. Because of increasing horsepower and vehicle weight, GM began offering t he TH 400 in 1964 to replace the anti-quated Dynaflow and the two-speed Powerglide Little did GM know that the. Build your own "Grudge Winner" 2 speed TH400 transmission with this kit. Build Your Own Custom Turbo 400 Transmission Master Rebuild Kit. Save big when you put all the parts you need for your next performance TH400 transmission rebuild with GTP's Custom Turbo 400 rebuild kits. The Monster-In-A-Box transmission rebuild kit for the TH400 is available for GM vehicles. Product Details High performance master rebuild box kit for the 1965-UP GM TH-400 transmission. There were three levels of TH400 builds: Level 2 ($1,395) will hold up to 450 hp; Level 3 ($2,195) up to 550 hp; and the Level 4 ($4,395) package will handle up to 850 hp. There were three levels of TH400 builds: Level 2 ($1,395) will hold up to 450 hp; Level 3 ($2,195) up to 550 hp; and the Level 4 ($4,395) package will handle up to 850 hp. If it's a mild 400-450 HP build the cheaper kit will work fine. Step 3: Drive New Bushing. You can buy adapter to bolt th400 to 2jz block from Ross Racing or you can cut housing and get SP install kit with everything you need to install th400 in supra bolted it up and have it running TQ you can buy from MIDWEST racing or PRECISION TURBO Midwest :blast:< Pro Torque supra7tt HIGH OFF BOOST Joined Apr 10, 2005 1,304. Automatic Transmission Rebuild Kit, U-Build It, Steels, 5 Clutches, Gaskets, Seals, Filter, Chevy, TH400, C-6 Splines, Kit. When it is time for a GM Turbo 400 rebuild kit, whether for a muscle car restoration, high performance street. F4019: TH400 u-build-it kit, 3 clutch intermediate. BUT , the trans will not up-shift to 2nd or 3rd gear at a real. You want to be sure it comes with a pump bushing, rear case bushing, tailhousing bushing. F4019-4: TH400 u-build-it kit, 4 clutch intermediate. 95 Rated to 1000HP TH400 Stage 2 Rebuild Kit Includes: 300M Billet Input 300M Billet Main Shaft (intermediate) Blue Clutches 5 Clutch Direct 5 Clutch Forward 3 Clutch Intermediate HD Intermediate Band New Steels 34 Element Sprag Direct Drum High Carbon Reverse Band. Automatic Transmission Rebuild Kit, Master Racing, GM, TH400, Kit. 00 Add To Cart Compare Wish List FTI Performance TH400 U-Build It Kits F4019-5C. (This kit DOES NOT contain: friction plates, steel plates, filters, pistons, bands, sprags, washers, bushings, modulators, solenoids, shift kits, bearings or hard parts). This kit includes all the rebuild components that we use to build our Stage 3 TH400 units. The case is very smooth and its length sits at length of 24-3/8″ long. Note the depth of the old bushing and make sure to drive the new bushing to the same depth, and line up the lube oil hole at the same time. Build it yourself and save! Our Monster Rebuild Kits are moderately priced and offer an exceptional value for the performance minded street enthusiast. JW Performance Turbo 400 Trans Rebuild Kits The time to perform a Turbo Hydramatic 400 transmission rebuild with one of these kits is before trouble strikes. I had built a TH400 for a 1972 GMC 3/4 ton truck in the early 1980's. FTI Offers a wide variety of TH400 Parts including racing transmisison pumps, valve bodies, gear sets and deep transmission pans. It has good parts, the Borg Warner frictions are excellent quality. I ordered the 3 Torrington Bearings too. Questions? Call Us 800-708-0087. Even if your current engine don't have enuff torque to break the weak roller clutch, you may as well build the trans strong enuff for future power upgrades, or possible future sale. Only TransGo sells Shift Kits. TH400 Stage 2 Rebuild Kit starts at $1824. Automatic Transmission Rebuild Kits - TH400 Transmission Type. SK03 Kit Reprogramming Kit™, Competition Only, Stick Shift Full Manual Control. The Raybestos Powertrain TH400 Stage-1 Performance Transmission Super Rebuild Kit contains upgraded friction clutch plates, premium steels, and more performance parts to deliver the strength & durability your hard working transmission needs. The Heavy Duty setup is for maximum hold with minimal “shift shock”, while Performance units are set for a more aggressive race feel, while maintaining a progressive shift that increases in firmness as you add more throttle. mission. This kit includes all the rebuild components that we use to build our Stage 3 TH400 units. · #8 · Mar 2, 2015 (Edited) Qwik_SN95 said: Thinking about doing a 2speed 400 over building a good case glide for my turbo sbf combo. It is an upgrade from the TH400 RACE FULL KIT. GM Turbo 400 Conversion Kit Transmission TH400 Stage 2 1 offer from $3,099. Toggle menu (844) 298-6404 Login or Sign Up; 0. Product Details High performance master rebuild box kit for the 1965-UP GM TH-400 transmission. I know my way around a glide but never really messed with a 400. F4019-5: TH400 u-build-it kit, 5 clutch intermediate for pro-mod drum, 400 spline. SK03 Kit Reprogramming Kit™, Competition Only, Stick Shift Full Manual Control. 46021 TH400 Transmission overhaul kit 1965-on. com%2fth400%2f/RK=2/RS=S9mj21FDywxJSVxkFRlPp35ylWI-" referrerpolicy="origin" target="_blank">See full list on jakesperformance. Pete@Hughes. The Monster-In-A-Box transmission rebuild kit for the TH400 is available for GM vehicles. The Turbo 400 Direct clutch is used for 3rd gear and reverse. This TH400 transmission overhaul kit contains: gasket kit, metal clad seals and complete sealing ring kit. Automatic Transmission Rebuild Kits - TH400 Transmission Type - Free Shipping on Orders Over $109 at Summit Racing Find Automatic Transmission Rebuild Kits TH400 Transmission Type and get Free Shipping on Orders Over $109 at Summit Racing! Waves of Savings on Marine Parts & Accessories! Vehicle/Engine SearchVehicle/Engine SearchMake/Model Search. ) When paired with an aftermarket gear set, the kit can handle even higher power levels. • Lots of gear ratios available • Can be made lightweight • Many upgrades available • Capable of holding 3000 HP • Lock-Up option now available Note: Any ATI TH400 can be made to PG length for an additional charge. #1 Double R Restorations Veteran Member Jan 11, 2002 2,554 I need a kit for my th400 rebuild. TCI Master Racing Overhaul Kits 259015. Each TH400 transmission kit includes the same quality components that JW uses in the high performance and racing TH 400 transmissions that they build. SK02 Kit Reverse Cushion, Corrects Harsh Reverse. The Raybestos Powertrain TH400 Stage-1 Performance Transmission Super Rebuild Kit contains upgraded friction clutch plates, premium steels, and more performance parts to deliver the strength & durability your hard working transmission needs. Turbo 400 Performance Racing Transmission Parts by FTI Performance. com/ebaymotors/TH40goryZ33727QQihZ019QQitemZ8005427448QQtcZphoto $175 http://cgi. Kit Shift Kit®. When used with an OEM gea rset, this package can accomodate as much as 1800 horsepower (vehicle mass dependent. Rear the the stock gear sets will hold up. For those looking to make the step up to a 2-speed, Hughes Performance just gave you the key with the new “Do-It-Yourself Extreme Duty 2-speed TH400 Transmission Conversion Kit” (Part # HP2205). They don’t shift brutally hard; we are able to keep them reliable by using many of the features GM designed into them. CT Solutions CT0904 TH400 GOVERNOR GEAR REPAIR KIT Turbo 400 Transmission - Order Only From Seller CT SOLUTIONS to Assure Correct and Quality Product Protect & Build Your Brand; Become an Affiliate; Become a Delivery Driver;. Vasco intermediate shaft Vasco input shaft with drum BTE's billet aluminum two speed transbrake valve body BTE transbrake solenoid. TH400 Rebuild Kit The Monster-In-A-Box transmission rebuild kit for the TH400 is available for GM vehicles. TH400 Turbo 400 Transmission Raybestos Stage 1 Red Less Steel Rebuild Kit. It is an upgrade from the TH400 RACE FULL KIT. TH400 Case Shield Kit- SFI Certified: TH400 Complete Shield Kit. Racing Transmission Build Form - Full Site Option Only; Transmission Parts. , but I had to buy the Thrust Washers from another vender because they were not included in their kit. Free Shipping over $199* Same Day Shipping before 8pm* Price Match Guarantee; Free Shipping over $199* FTI Transmissions & Converters F4019-5 - U-Build-It Kit TH400 5 Clutch (0) $279. Build Your Own Custom Turbo 400 Transmission Master Rebuild Kit. All forwarddrums will accept six. This kit includes all the rebuild components that we use to build our Stage 3 TH400 units. Solid teflon is used on 4L80's and is interchangeable. Automatic Transmission Rebuild Kit, U-Build It, Steels, 4 Clutches, Gaskets, Seals, Filter, Chevy, TH400, Kit. Alto reds should only be used in the direct clutch at power levels over 1000 horsepower and only when heavy return springs are used for added clutch. This item: GM Turbo 400 Transmission Th400 Stage 3. Turbo 400 Transmission Kit TH400 Performance Rebuild Kits. Product Details High performance master rebuild box kit for the 1965-UP GM TH-400 transmission. This includes transmission bands, clutches, gaskets, seals, filters, and in some cases, performance shift kits. TH400 Turbo 400 Transmission Raybestos Stage 1 Deluxe Rebuild Kit 2 $32500 FREE delivery May 10 - 15 TH400 Turbo 400 Transmission Raybestos Stage 1 Red Less Steel Rebuild Kit 2 $18500 FREE delivery May 10 - 15. This kit has available all the parts needed to make your transmission a true Monster. Re: Turbo 400 build, JakeShoe others have Drum question Hughes kit and VB. If it's a mild 400-450 HP build the cheaper kit will work fine. Tough Sonnax parts for Drag Week’s most competitive and toughest class. SK02 Kit Reverse Cushion, Corrects Harsh Reverse 64-98 1 TH400. 00 Buy in monthly payments with Affirm on orders over $50. Find Parts and Accessories Th400 build kits KEYWORD and get Free Shipping on Orders Over $99 at Summit Racing!. Each TH400 transmission kit includes the same quality components that JW uses in the high performance and racing TH 400 transmissions that they build. FTI Performance TH400 U-Build It Kits F4019-4 Automatic Transmission Rebuild Kit, U-Build It, Steels, 4 Clutches, Gaskets, Seals, Filter, Chevy, TH400, Kit. Our Stage I TH400's are an upgraded build. It will have a complete kit with High Energy frictions throughout, new steels,. There are 3 choices here. F4019: TH400 u-build-it kit, 3 clutch intermediate. Find Parts and Accessories Th400 build kits KEYWORD and get Free Shipping on Orders Over $99 at Summit Racing!. They come with bottles of ATF, fluid coolers, heavy-duty aluminum pans, and new dipsticks. com/ebaymotors/TH40goryZ33727QQihZ019QQitemZ8005429635QQtcZphoto Anybody got any advice?. Shift Kits The TransGo Shift Kit comes in a box with an organizer tray to keep all the components separate. Our Sonnax-equipped, in-house built TH400 survived hot lapping 3 - 4 passes every day for 5 days and survived on the 1,200-mile drive flawlessly. The Raybestos Powertrain TH400 Stage-1 Performance Transmission Super Rebuild Kit contains upgraded friction clutch plates, premium steels, and more performance parts to deliver the strength & durability your hard. They don't shift brutally hard; we are able to keep them reliable by using many of the features GM designed into them. McLeod Performance Automatic Transmission Rebuild Kits 88012K. The TH400 is designed to lock-up one direction, while a TH 425 front-drive will lock up when spun the other direction. What you can have is a trans that will hold a gear to any RPM or down shift at any RPM. Everything is included that we use in our transmission, see the list below for details. These automatic transmission rebuild kits will take the guesswork out of your auto transmission repair or rebuild by supplying all the small pieces and parts in one convenient kit. SK01 Kit Reprogramming Kit™, Heavy Duty & Competition. Increase wheel horsepower, improve acceleration & reduce shock on shifts while ramping up durability & safety.