Cylinder Head Bolt Kit for Oldsmobile 350-455 cid with factory heads or Edelbrock heads 60519, 60529

Cylinder Head Bolt Kit for Oldsmobile 350-455 cid with factory heads or Edelbrock heads 60519, 60529HIGH 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,

while expensive

ARP only uses premium grade 8740 alloy anda proprietary ARP2000® alloy that are rated far superior to “aircraft”quality alloy steels

and meet ARP’s highest standards of quality

A special bullet nose helps guide nut into place withoutcross-threading

For those who prefer bolts

Increased material strength overcomes valve train harmonics and stress

and monitor overall length during installation

That’s why ARP developed the Wave-Loc design that features symmetrical waves and has an effective interference range of

Available in a variety of sizes to suit your needs

while the Ford bolt kit has flat washers only

ARP’s Pro Series rocker arm studs are made of premium grade 8740 chrome moly steel and heat-treated to a tensile strength of 190

They are designed for each specific application and provide the optimum grip