Chevy GM LS1 LS2 2x4-Barrel Dual Plane Fuel Injected Intake Manifold Polished These kits are specifically designed

These kits are specifically designed to deliver the performance you want

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

Speedmaster Keychains are the perfect way to let everyone know where you go for high performance aftermarket parts and accessories

The successful formula of offering a complete engine drive accessory kit has now been applied to the Serpentine with Speedmaster pulley systems

Speedmaster H-beam connecting rods are one of the strongest connecting rods available

Chevy GM LS1 LS2 2x4-Barrel Dual Plane Fuel Injected Intake Manifold Polished These kits are specifically designedSpeedmaster LS dual 4 barrel, dual plane fuel injection intake manifolds allow the installation of dual throttle bodies on late model LS Series engines. The dual plane, equal distribution layout produces great midrange torque without compromising top end power.