ALUMINUM ROCKERS ONLY
Ferrea P2R J Series Exhaust Rocker Arm Bushings will replace the springs on the exhaust rocker shaft. Replacing the rocker springs and putting these bushings in there place will reduce the amount of drag / friction the spring normally creates on the rocker.
Includes 6 pcs total. 3 per head.
These will only fit the following heads when used in conjunction with the Aluminum Rocker Arms. J30A1, J30A4, J30A5, J32A1, J32A2, J35A3, J35A4, J32A2, J35A8, J37A1