Chevy GM LS1 LS2 LS3 LS6 Aluminum Complete Serpentine Belt Drive System Kit block for added strength

block for added strength

The Speedmaster Serpentine Pulley Kit is engineered to offer a balance of performance and value for high-performance street cars and race car applications

They have injector bosses precisely positioned and machined for excellent fuel spray patterns and maximum power

They also offer the potential for improved fuel economy by making the engine more efficient

Chevy GM LS1 LS2 LS3 LS6 Aluminum Complete Serpentine Belt Drive System Kit block for added strengthThe Speedmaster high mount serpentine kit for Chevy LS engines. 6 rib serpentine pulley designed to increase grip, reduce stretching and prevent the belt from slipping.