COMP Cams Ultra Pro Magnum XD Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.50 Ratio - Small Block Chevy (Set of 16) 9211D We have been at the

We have been at the leading edge of the race seat evolution over the years

This Performer is designed for 1968-76 Cadillac 472 and 500 cubic-inch engines

Abrasion resistant cover will not crack or harden

Package of 4

1973 Pontiac Grand Am CID 350

COMP Cams Ultra Pro Magnum XD Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.50 Ratio - Small Block Chevy (Set of 16) 9211D We have been at theThe next design evolution of the Hi Tech Stainless Steel Roller Rocker Arms are built to outlast and outperform in accuracy and strength. The Ultra Pro Magnum XD Rocker Arms are engineered from durable 8650 steel and include a machined billet pushrod seat insert for a wide range of super accurate ratios. A unique and wide ratio range to fit almost any popular application. These XD rockers are fully rebuildable and boast precision sorted needle