Cylinder Head Bolt Kit for Ford 302 with 351 Windsor heads 1/2˝-7/16˝ insert washer with 7/16˝ bolts

Cylinder Head Bolt Kit for Ford 302 with 351 Windsor heads 1/2˝-7/16˝ insert washer with 7/16˝ boltsHIGH PERFORMANCE SERIESHigh Performance head bolts are available with a reduced wrenching hex or 12 point and wide area flanged head that eliminates theneed for valve train removal to facilitate cylinder head retorquing. All High Performance Series bolts are 180,000 psi (which is 15%stronger than Grade 8) and kits come complete with hardened parallel ground washers. PROFESSIONAL SERIESAll Pro Series bolts are cold forged to ensure molecular integrity,

The threads are rolled after heat-treating which gives them about 2000% better fatigue strength than most main bolts that are threaded prior to heat-treating

All hex nuts meet ARP’s exacting quality control standards and are black oxided

The bolts come with special precision-ground washers

To be used with ARP’s patented Perma-Loc™ adjusters

Specialfeatures include 1/4

Most applications have undercut short bolts that can help eliminate head gasket failures through providing more “stretch” to compensate for the additional compression of gaskets

three thicknesses and two are in ARP stainless

ARP rocker studs are concentric within

the correct preload

Far superior to any other main bolts available for use in competition engines

Available in choice of black oxide finish chrome moly or corrosion resistant stainless steel

enabling the rotationof an engine with any 1/2