1/2-13 x 5.500 hex black oxide bolts

1/2-13 x 5.500 hex black oxide boltsMaterial: 8740 Chrome Moly Finish: Black Material 2: Finish 2: Origin: USA

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

These ultra heavy-duty rod bolts are made from a special material designated ARP2000

HIGH 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

A premium grade 8740 alloy chrome moly steel is used to manufacture ARP High Performance connecting rod bolts

Available in black oxide finish 8740 chrome moly or polished stainless steel with hex or 12-point nuts

You won’t find abetter quality stud on the market from any other source

and monitor overall length during installation

Kits come complete with flat washers

All carb studs include a nut starter nose (except where noted) and kitscome with hex nuts and washers

000 psi water pulley kits

One of the most critical – yet often overlooked – fasteners used in any engine locks the timing in place

the more power available to you