Th400 intermediate shaft. Made from 300M steel, this drop-in upgrade is built for high horsepower and extreme off-road performance. 00 - $679. The tech I Note: Any ATI TH400 can be made to PG length for an additional charge. ATI has earned a solid reputation for building the finest and strongest racing transmissions in the business. 00 Choose Options FTI Performance TH400 Billet Intermediate Shaft $289. 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. TH400/4L80 Pro-Mod Billet Aluminum Direct Drum 4340 Aluminum $975. The shaft is a 100% drop-in product. Speedmaster intermediate shafts can withstand the stresses and the added power. The shaft is a 100% bolt-in product. 00, If a SuperCase is used: $150. Strengthen your TH400 with the TCS 223700 heavy duty intermediate shaft. 73 Add to cart SKU: 30791 Category: TH400 Tweet this article Description Additional information Reviews (0) 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. Designed for high horsepower and off-road use. BTE also offers options for two speed conversions with our two speed valve GM TH400 Intermediate Shaft Part# Price 300M - INTERMEDIATE VASCO - INTERMEDIATE* 405971 405970V $309. Apr 5, 2015 · Enter the quantity for each item and then select Add to Cart The TH400 has recently become one of the best selling transmissions for high horsepower racing setups thanks to many new product designs. BTE’s aluminum direct drum, Vasco input shaft, and valve bodies have been used by transmission builders around the world to improve the strength of their turbo 400 transmissions. Before placing my order, I contacted ATI just to make sure the shaft is a true replacement item. An analysis of most I have disassembled show signs of distress at the steel plates indicating the yield of the material has been reached repeatedly. Oil holes have been relocated to the bushing surfaces and one added for the planet assembly. Heavy duty race applications. 00 Choose Options BTE's TH400 Vasco intermediate shaft is machined and splined by BTE then heat treated to extreme temperatures to ensure its strength. Oct 23, 2013 · A big problem with the 4L80E and 400 intermediate clutches is the lack of face grooves. Browse all TH400 transmission parts here or use the filters below to find just what you are looking for. Call and check core availability for 4WD units. 95 *Carries a 1 year warranty for up to 2000HP, ATI Clutch Hub #405370, #405371 or 405371B (for use with a bearing) recommended 8L90E Input Shaft 8L90E Vasco Input Shaft Applications Part # Price 8L90E INPUT SHAFT - VASCO 704000 Nov 18, 2011 · In a normal TH400 I would rather see the sprag upgraded than the intermediate shaft if budget is a concern. The sharp edges and reduced shaft diameter at these undercuts make the OEM versions susceptible to stress fracturing. 00 - $569. I settled on ATI's Vasco shaft as I felt it would be a nice option for the price. For ultimate performance, combine this shaft with the TCS billet aluminum high drum with extra large sprag - Part# 223900B and the TCS billet aluminum forward drum with a precision machined 300 Maraging input shaft - Part #223600A and TCS billet TH400 Intermediate Shaft - TCIHelp other Total Performance users shop smarter by writing reviews for products you have purchased. AERMET® TORSIONAL Intermediate ShaftAERMET® is the strongest Material that can be used as a Main shaft. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Sonnax offers top-of-the-line performance transmission upgrades for the GM TH400 at any level of racing. 00 USD Sold out Turbo 400 Performance Racing Transmission Parts by FTI Performance. 00 $349. 00 USD Sold out FTI Offers a wide variety of TH400 Parts including racing transmisison pumps, valve bodies, gear sets and deep transmission pans. We use AERMET up to 3500+HP. Sep 30, 2025 · TH400 Heavy Duty Intermediate Shaft Made from 300 Maraging steel. Machined, heat treated and finish ground, providing superior IMPACT AND TORSIONAL strength. TH400 300M Intermediate (Main) Shaft Home / Transmission Components / TH400 / TH400 300M Intermediate (Main) Shaft $ 539. Here are some snippits you may Reviews Description GM TH400 Intermediate Shaft - Vasco *Carries a 1 year warranty for up to 2000HP, ATI Clutch Hub #405370, #405371or 405371B(for use with a bearing) recommended ATI Racing’s Intermediate Shafts are precision-engineered drivetrain components designed to deliver reliable torque transfer within high-performance automatic . ATI Performance Products, Inc is proud to introduce an all-new Vasco Intermediate Shaft for the Turbo 400 transmission. Jun 30, 2017 · I wasnt sure the appropriate name and I found an exploded view of a TH400, and per that image it said it was the intermediate shaft. FTI Performance TH400 Billet Input Shaft $399. Buy Direct from Speedmaster™ with Fast Shipping. Quantity Decrease quantity for TH400 / 4L80E Vascomax Intermediate Shaft Increase quantity for TH400 / 4L80E Vascomax Intermediate Shaft TH400 Components The TH400 has recently become one of the best selling transmissions for high horsepower racing setups thanks to many new product designs. Get the best deals for Th400 Intermediate Shaft at eBay. FTI Offers a wide variety of TH400 Parts including racing transmisison pumps, valve bodies, gear sets and deep transmission pans. This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. 00 Nov 16, 2018 · Enter the quantity for each item and then select Add to Cart Extreme Automatics LLC. Designed for all applications making more than 750 horsepower, this shaft is a direct replacement for the OEM shaft. TH400 Heavy Duty Intermediate Shaft Made from 300M steel. F4039: TH400 300M input shaft and drum F4039B: TH400 Aermet input shaft and drum Features oversized input to forward drum splines. F4041: TH400 Alloy intermediate shaft May 8, 2019 · I'm in the process of rebuilding my TH400 and decided to go ahead and upgrade the intermediate shaft. Refundable core charge for acceptable transmission core is $250. Find Parts and Accessories Th400 intermediate KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! TH400 Vasco Intermediate Shaft BTE's TH400 Vasco intermediate shaft is machined and splined by BTE then heat treated to extreme temperatures to ensure its strength. It is indeed the hollow tube that rides over the mainshaft/inside of the long center support bushing. I personally prefer the use of three TH400 clutches in the 4l80e. Hydraulics is another area of concern,both stock and modified. This JEGS 555-603260 GM TH400 Automatic Transmission Intermediate Shaft is an upgraded revision of the factory OEM unit making installation easy with no transmission alterations. However a 34 element sprag is fine with an aluminum drum. com. Installed into the rear ring gear. otdoz ozxvtvyb 95xes iu mwi icrh 10h bufl 7ty7 dtxr