Chevy LS1 LS2 LS6 EFI 102mm 4 Bolt Ram Air Intake Manifold [Machined Polished] They're manufactured from high-quality chrome

They're manufactured from high-quality chrome silicone steel

Speedmaster Speedmaster automatic transmission input shafts can withstand the stresses and the added power

Made of durable steel

They include longer mounting bolts to fit the valve body

These Speedmaster 8-71 and 6-71 supercharger manifolds are aluminum constructed and suitable for competition or street use

Chevy LS1 LS2 LS6 EFI 102mm 4 Bolt Ram Air Intake Manifold [Machined Polished] They're manufactured from high-quality chromeConstructed 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.