COMP Cams 7 Steel Chevy, SB Ford Valve Spring Retainers - Chevy, Olds, Pontiac, SB Ford - For 11/32" Valve Stems - 1.437" - 1.500" Valve Spring Diameter 01230 Hi-Tuck Tip:

Hi-Tuck Tip:

AFR 305cc cylinder heads would be a great choice if your looking for big torque

Blocks / Coil Springs / Hardware

4L80E with PRNDL switch

the new LoadLifter 7500 XL kit from Air Lift will make towing and hauling with your 2020 Chevrolet Silverado/GMC Sierra 2500/3500 a breeze

COMP Cams 7 Steel Chevy, SB Ford Valve Spring Retainers - Chevy, Olds, Pontiac, SB Ford - For 11/32" Valve Stems - 1.437" - 1.500" Valve Spring Diameter 01230 Hi-Tuck Tip:Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs. COMP Cams steel retainers are the perfect solution. This 7? steel retainer for Chevy, Small Block Ford, Olds and Pontiac applications is precision machined from 4140 chromemoly steel and finished in black oxide. This precision retainer is specifically designed for positive location when combined with COMP Cams high quality valve springs.