COMP Cams Ultra Pro Mag Rkr Kit Chrysler 3 - 1621-16

This 1.5 ratio Ultra Pro Magnum rocker arm replaces the rocker arms that come with our 1622-16 Ultra Pro Magnum Shaft-Mount Rocker system for Chrysler 273-360.CatalogUser 1

This 1.5 ratio Ultra Pro Magnum left rocker arm replaces the left oriented rocker arms that come with our 1621-16 Ultra Pro Magnum Shaft-Mount Rocker system for Chrysler 383-440 B/RB.CatalogUser 1

This 1.5 ratio Ultra Pro Magnum right rocker arm replaces the right oriented rocker arms that come with our 1621-16 Ultra Pro Magnum Shaft-Mount Rocker system for Chrysler 383-440 B/RB.CatalogUser 1

For Small Block Chevrolet applications; 1.5" Ratio, 3/8" Stud; Machined billet pushrod seat insert; 8650 steel construction outlasts and outperforms other rockers in accuracy and strength; Ultra Pro...

Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. These 1831 rockers feature a 1.6 ratio for use with 3/8"...