Chevy GM LS1 LS2 LS6 2x4-Barrel Dual Plane Fuel Injected Intake Manifold Satin They also offer the potential

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

Speedmaster CNC ported cylinder heads are machined on dedicated 5-axis CNC machines to ensure accuracy and better flow

Cast Aluminum Valve Covers

wall DOM steel

The Speedmaster LowRise Manifolds are our lowest profile manifold and is also the only one that is street legal on pollution controlled vehicles

Chevy GM LS1 LS2 LS6 2x4-Barrel Dual Plane Fuel Injected Intake Manifold Satin They also offer the potentialSpeedmaster 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.