Engine Rocker Arm

this rocker fits Chevrolet 396-454 with a 1/2" diameter stud.

this rocker fits Chevrolet 396-454 with a 7/16" diameter stud.

this rocker fits Ford 3.8L V6 with a 3/8" diameter stud.

351C and 429-460 with a 7/16" diameter stud.

this rocker fits '88+ Chevrolet Small Block and V6 with a 3/8" diameter stud.

this rocker fits '88+ Chevrolet Small Block and V6 with a 3/8" diameter stud.

this self-aligning rocker fits Ford V8's with a 3/8" diameter stud.

these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1810 rocker features a 1.55 ratio for use with 1/2" stud Chevrolet V6 and 265-400 Small Block.

these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1801 rocker features a 1.5 ratio for use with 3/8" stud Chevrolet V6 and 265-400 Small Block.

these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1804 rocker features a 1.5 ratio for use with 7/16" stud Chevrolet V6 and 265-400 Small Block.

these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1807 rocker features a 1.55 ratio for use with 3/8" stud Chevrolet V6 and 265-400 Small Block.

these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1808 rocker features a 1.55 ratio for use with 7/16" stud Chevrolet V6 and 265-400 Small Block.

these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1826 rocker features a 1.6 ratio for use with 7/16" stud Chevrolet 396-454 Big Block.

these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1802 rocker features a 1.6 ratio for use with 3/8" stud Chevrolet V6 and 265-400 Small Block.

these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1805 rocker features a 1.6 ratio for use with 7/16" stud Chevrolet V6 and 265-400 Small Block.

302 and 351 Windsor.