Chevy LS1 LS2 LS6 EFI 102mm 4 Bolt Ram Air Intake Manifold [Satin] 11 with 5 x 4

11 with 5 x 4 1/2

they come in three different finishes and feature a billet aluminum oil fill cap

carrier bearing from moving out of place under high horsepower applications

thick laser-cut flanges and mandrel-bent primary tube

Silicon aluminum is the choice for many of today's engine manufacturers because of its high fatigue strength and superior temperature threshold

Chevy LS1 LS2 LS6 EFI 102mm 4 Bolt Ram Air Intake Manifold [Satin] 11 with 5 x 4Constructed 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.