Built to outlast and outperform in accuracy and strength, Ultra Pro Magnum XD roller 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 from 1.5 to 1.8 in 0.5 in. increments for Chevy and 1.6 to 1.73 for various Ford applications is available. These Ultra Pro Magnum XD rockers are fully rebuildable and boast precision-sorted needle bearings and hardened roller tips. And, they work with most diameter springs and retainers. The XD design utilizes advanced FEA and CAD design and development to improve strength, stiffness and MOI (moment of inertia) optimization for drag and circle track applications.

More From This Category

COMP Cams Rocker Arm, Magnum Roller, Steel, 1.52 Ratio Rocker Arm '88+ For Chevrolet V6/SBC w/ 3/8 in. Stud

COMP Cams Rocker Arm, Magnum Roller, Steel, 1.52 Ratio Rocker Arm '88+ For Chevrolet V6/SBC w/ 3/8 in. Stud

$374.98

COMP Cams Rocker Stud, High Energy, Polylock 3/8 in, Set of 16

COMP Cams Rocker Stud, High Energy, Polylock 3/8 in, Set of 16

$98.96

Trick Flow Rocker Arms, 1.6 Ratio, 3/8 in. Stud, Full Roller Design, Aluminum, Small For Ford and 351W, Set of 16

Trick Flow Rocker Arms, 1.6 Ratio, 3/8 in. Stud, Full Roller Design, Aluminum, Small For Ford and 351W, Set of 16

$1,035.30

COMP Cams Rocker Arm, Ultra Pro Magnum, Full Roller, Chromoly Steel, 1.8 Ratio, Pedestal Mount GM LS3, Each

COMP Cams Rocker Arm, Ultra Pro Magnum, Full Roller, Chromoly Steel, 1.8 Ratio, Pedestal Mount GM LS3, Each

$88.49