Chevy GM LS1 2pc Fabricated Ram Air 98mm 4 Bolt EFI Intake Manifold Polished Speedmaster flexplates make excellent upgrades

Speedmaster flexplates make excellent upgrades to your stock design

These pumps have a 97 gph flow rate

although slightly taller

Speedmaster small block 427 c

Chevy GM LS1 2pc Fabricated Ram Air 98mm 4 Bolt EFI Intake Manifold Polished Speedmaster flexplates make excellent upgradesThe GM LS1 Modular Ram Air Intake Manifold was designed for high performance applications where induction system height is not limited. Couple this Hi Ram intake with the high flowing LS1 style cylinder heads has outstanding potential for naturally aspirated and forced induction applications. The runner length and the tapered cross section were designed to perform well for a wide range of engine configurations.