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

This is our top-of-the-line medium profile LowRise+ Series manifold

These kits are specifically designed to deliver the performance you want

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

that have a 4bolt pattern

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.