Ford 351C Cleveland 460 1.73 7/16" Stainless Steel Roller Rocker Arms this intake manifold is built

this intake manifold is built to withstand the demands of supercharged or turbocharged setups

Speedmaster pinion support stud kits offer optimum durability for maximum drivetrain performance

they have hardened stem tips for durability and are swirl-polished

They are for small and big block Chevys

Designed to fit most applications with dual bolt patterns for Borg & Beck and Long-style clutch assemblies

Ford 351C Cleveland 460 1.73 7/16" Stainless Steel Roller Rocker Arms this intake manifold is builtSpeedmaster roller rockers are available in various ratios, so you are good to go. They feature greater strength and durability, capable of withstanding valve spring load.