Magnum Roller 1.6 Ratio Rocker Arm Set for Chevrolet Small Block w/ 3/8" Stud fbody Positively locates itself on the

Positively locates itself on the main body of 4700® QFX® carburetors

Contains additional friction modifiers for suitability with clutch type limited slip differentials for most LSDs

Although it is made to work with Derale's popular remote mount coolers

For the person who wants the look of a traditional dual exhaust system with all the benefits that a Flowmaster® Cat-back exhaust system provides

Will not work with stock pans

Magnum Roller 1.6 Ratio Rocker Arm Set for Chevrolet Small Block w/ 3/8" Stud fbody Positively locates itself on theour 8620 chromemoly steel Magnum roller tip rockers can handle up to 350 lbs of spring pressure. These 1416 rockers feature a 1. 6 ratio for 3 8" stud Chevrolet 265 400 Small Block.