Proform Full Roller Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Blue Anodized - Small Block Ford - Set of 16 3550224-9151- M All QA1'springs are lifetime guaranteed

All QA1'springs are lifetime guaranteed to remain within 2% of the original free height and rate under normal operating conditions

there is an ICON piston for you

Lokar Midnight Series Stainless Steel Hi-Tech Kickdown Kit XKD-20C4HT Ford C4 - Black Stainless Steel Housing - Black Aluminum Fittings

But for vehicles running E85 fuel

Proform Full Roller Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Blue Anodized - Small Block Ford - Set of 16 3550224-9151- M All QA1'springs are lifetime guaranteedProform Extruded Aluminum Roller Rocker Arm 66911C 1. 6 Ratio 3 8" Stud Self Aligning Clamshell Package Precision machined Aluminum Lengthen Valve Train Component Life Reduce Wear On Valve Stem Tips Applications include: Bronco, Club Cargo, Country Sedan, Country Squire, Custom, Custom 500, E 100 Econoline, E 150 Econoline, E 200 Econoline, E 250 Econoline, E 300 Econoline, E 350 Econoline, Explorer, F 100 Pickup, F 150 Pickup, F 250 Pickup, F 350