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Vehicle Info NeededSPEEDMASTERPART NUMBER: 746-PCE598.1009
GM TH400 Transmission Tailshaft Housing Kit
$34000
Ships on 09/22/2026
Lowest Price GuaranteeTH400
GM TH400 Transmission Tailshaft Housing Kit40-Spline Aluminum Casing Natural FinishIncludes:
- (1) Tailshaft Housing
- (1) Output Shaft
- (1) Yoke
PCE598.1009 Features:
- Designed for 40-spline GM TH400 applications
- 5X stronger and more rigid than a stock tailhousing, output shaft, and yoke
- The tailhousing is constructed from aircraft-grade aluminum alloy with thicker walls and gussets
Technical Specifications:
- Output Shaft Length: 9.250 in.
- U-Joint Cap Diameter: 1.188 in.
- Center of U-Joint to End of Slip: 5.500 in.
- Slip Diameter: 2.300 in.
Notes:
- Does NOT support a speedometer or a governor
Part TypeAutomatic Transmission Tailshaft
BrandSPEEDMASTER
Package Height7.5
Package Width7.7
Package Length12.1
Weight13.35 PG
Part CategoryPerformance Parts
Yoke IncludedYes
Hardware IncludedNo
Tailshaft FinishNatural
Output Shaft Material8620 Steel
Tailhousing Roller Bearing IncludedYes
QuantitySold as a kit
Tailhousing MaterialAluminum
Tailhousing FinishNatural
Tailhousing Seal IncludedYes
Yoke Overall Length6.500 in.
Tailhousing Bushing IncludedNo
Tailshaft MaterialSteel
Universal Joint Style1350
Yoke Inner Spline Quantity40
Part FitmentSemi Universal
Output Shaft Spline Quantity40
Output Shaft IncludedYes
Package Qty1
Package TypeEA
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