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,

They’re offered in a variety of heights to accommodate most any combination of carb and spacer

A polished finish makes them an enhancement to any carb

As the crankshaft flexes and twists

The studs are sold in 4 or 5 packs and are cadmium plated for extra durability

the harmonic damper absorbs incredible amounts of kinetic energy

Nobody likes water leaks

and monitor overall length during installation

marine and drag racing engines – including those with superchargers and/ or nitrous oxide injection systems – ARP offers replacement rod bolts in three different models

All Pro Series bolts are cold-forged to ensure molecular integrity

each stud is placed verticallyinto special racks and precisely heat-treated to 190

The high cobalt content of this alloy

They’re made from premium grade aerospace chrome moly and centerless ground to precise diameter