Blessed Performance has the SUNCOAST CATEGORY 4 950+ HP CUSTOM ALLISON TRANSMISSION NO CONVERTER for 2001-2019 GMC Sierra/Silverado 2500/3500 HD Trucks.
Highlights:
- - SunCoast custom clutch packs
- - SunCoast custom Steels
- - SunCoast custom billet plates
- - SunCoast custom overhaul kit
- - Recalibrated Valve body
- - SunCoast gasket kit
- - Pan Filter
- - Spin on filter
- - Pan gasket
- - SunCoast Filter Loc
- - New internal wiring harness
- - Billet input shaft
- - Billet intermediate shaft
- - Billet output shaft
- - Billet flexplate
- - Billet P2 planet
- - Billet C2 clutch hub