Chevy GM LS1 LS2 2x4-Barrel Dual Plane Fuel Injected Intake Manifold Polished They have injector bosses precisely

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

stable air flow at any rpm

*Will not work on engines w/reverse flow heads as utilized on 1992-96 LT-1 Corvette

Kit includes adapter plate to permit use of certain square bore style carburetors

This kit features a simple V-belt to serpentine pulley conversion while retaining your existing brackets

Chevy GM LS1 LS2 2x4-Barrel Dual Plane Fuel Injected Intake Manifold Polished They have injector bosses preciselySpeedmaster 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.