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Finished in a shiny
under-tightening risks wheel separation
Ceramic coating reduces underhood heat and gives a finished look
3L V6 header applications
Modern style design
Comp Cams P MAGNUM ROLLER ROCKER 2023 BMW M2 (G87) Finished in a shinyMagnum Roller Rocker Arms: Pontiac; 7 16" Stud, 1. 65 Ratio These Magnum Roller Rocker Arms for Pontiac V8 265 455 applications are the ultimate street rocker. With a 7 16" stud diameter and 1. 65 ratio, they are designed for serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly steel, which is a superior material that will not flex and assures maximum lift. Their roller tip reduces friction, while stiff