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Vehicle Info NeededHUGHES PERFORMANCEPART NUMBER: 512-HP2202
Extreme-Duty 2-Speed TH400 Transmission Conversion Kit
$4,04599
Ships on 09/10/2026
Lowest Price GuaranteeExtreme-Duty 2-Speed TH400 Transmission Conversion Kit 1.48:1 Low Gear Ratio Up to 2000 Flywheel HP
This conversion kit features premium high-strength components and includes the following items:
- 2-speed billet aluminum pro tree transbrake valve body w/Powerglide shift pattern
- Nitride-treated 4140 forged steel forward clutch hub with roller bearing
- H-11 billet tool steel intermediate shaft
- Hard anodized billet aluminum direct drum with steel bore for sealing rings
- Pro Mod 36-element intermediate sprag
- Heat-treated steel sprag races
- 300M billet solid steel 30-spline input shaft with GM forward drum broached for oversize input drum spline
- Billet aluminum intermediate clutch pack eliminator insert
Extreme Performance Upgrade
Hughes Performance Do-It-Yourself Extreme Duty 2-Speed TH400 Transmission Conversion Kit comes complete with everything necessary to convert your 3-speed TH400 to a 2-speed high horsepower drag racing transmission. When the conversion kit is coupled with a GM planetary gear set that is in good condition, you can expect ratings of up to 2,000 flywheel horsepower. This performance kit can handle higher power levels when coupled with a Hughes premium billet TH400 gear set.
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Features:
- 3-Speed to 2-Speed Conversion
- High-Strength Components
- Increases Horsepower Ratings
Part TypeAutomatic Transmission Rebuild Kit
Product LineHughes Performance Do-It-Yourself Extreme Duty 2-Speed TH400 Transmission Conversion Kit
BrandHUGHES PERFORMANCE
Package Height8.0
Package Width14.1
Package Length14.6
Weight29.05 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberHP2202
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
