Proform Full Roller Rocker Arm - 5/16 in Pedestal Mount - 1.60 Ratio - Blue Anodized - Small Block Ford - Set of 16 IH200020 NOTE: includes early thin 1/4

NOTE: includes early thin 1/4 inch 1955-1974 and late thick 3/8 inch 1975-1979 front oil pan seals

1999-2005 Ford F-350 Super Duty 81

1978 Pontiac Bonneville Safari CID 400 Naturally Aspirated GAS

See Application Guide for Additional FitmentsVehicle Applications: 1975-1980 Chevrolet C10 CID 454 GAS

Proform Full Roller Rocker Arm - 5/16 in Pedestal Mount - 1.60 Ratio - Blue Anodized - Small Block Ford - Set of 16 IH200020 NOTE: includes early thin 1/4Proform Extruded Aluminum Roller Rocker Arm 66879 1. 6 Ratio 5 16" Stud Precision machined Aluminum Lengthen Valve Train Component Life Reduce Wear On Valve Stem Tips Applications include: Bronco, Continental, Cougar, Country Squire, Custom 500, E 100 Econoline, E 150 Econoline, E 250 Econoline, E 350 Econoline, F 100 Pickup, F 150 Lightning Pickup, F 150 Pickup, F 250 Pickup, F 350 Pickup, Fairmont, Granada, Grand Marquis, Ltd, Ltd Crown Victoria,