Chevy LS1 LS2 LS6 EFI 102mm 4 Bolt Ram Air Intake Manifold [Black] 1511 intake ports (360cc) helps

1511 intake ports (360cc) helps to fill in the gap between As-Cast performance heads and All-Out racing heads

or get sucked in

They take the place of your head bolt washers and are hardened and chamfered

The Speedmaster design incorporates open-fin spacing that promotes airflow through the radiator to enhance the cooling and help eliminate clogging

The covers bolt directly to the clutch

Chevy LS1 LS2 LS6 EFI 102mm 4 Bolt Ram Air Intake Manifold [Black] 1511 intake ports (360cc) helpsConstructed from durable aluminum, this manifold offers improved strength and reliability, especially beneficial for engines equipped with turbochargers or superchargers, where plastic manifolds may fail under extreme pressure. Designed as a direct fit replacement intake, it also includes a 102mm throttle body inlet for enhanced air intake potential.