COMP Cams Magnum-Ford Rocker Studs (16) Base Thread Size: 5/16" Base Thread Length: .680" 721065 590 in Bore

590 in Bore

When dirty

1956-1956 Mercury Custom

30-4100 - Digital Wideband UEGO Gauge

Torque Link

COMP Cams Magnum-Ford Rocker Studs (16) Base Thread Size: 5/16" Base Thread Length: .680" 721065 590 in BoreCOMP Cams takes pride in having the finest rocker arm studs available on the market. The Magnum Rocker Arm Studs work well in applications with the lifts and spring pressures of performance camshafts. They are available in the popular 3 8? and 7 16? sizes. All COMP Cams studs have generous radii and a black oxide finish. For applications with moderate lift and spring pressure, this High Energy stud set has a 5 16" base thread and 3 8" rocker thread