M6 x 1.00 x 90 12pt black oxide bolts

M6 x 1.00 x 90 12pt black oxide boltsMaterial: 8740 Chrome Moly Finish: Black Material 2: Finish 2: Origin: USA

The smart way to attach a float bowl is with ARP’s special

which gives themabout 2000% (that’s twenty times) better fatigue strength thanthose studs that are threaded prior to heat-treat (a very commonindustry practice)

Our special purpose washers are constructed from either premium chrome moly with a black oxide finish or polished ARP stainless steel and are hardened and parallel-ground

This procedureinvolves about ten very slight cuts and results in an exceptionallystraight part

(inside diameter) chamfers

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

ARP has developed special pressure plate bolts that are applicationspecific to ensure the optimum grip length

while bolt kits are shipped with the required flat washers

The studs come with flat washers and nuts

Because of this

All Pro Series head bolts have are reduced wrenching hex or 12-point head and wide area flange to permit the use of larger diameter valve springs and eliminate the need for valve train removal during cylinder head retorquing

The popular High Performance Series is rated at 180