They come available with hex heads or reduced wrenching 12-point heads that eliminate the need for valvetrain removal when re-torquing cylinder heads
Pontiac Alternator / PS Pulley and Bracket System (350-400
Timing Cover Fasteners Included:
Edelbrock Elite Series Breathers
Cast Steel Crank
ARP Chromoly Bolts 7/16 in.-14 RH Thread, 3.000 in. UHL, Set of 5 # 655-3000 Rate_15 They come available with hexARP Chromoly Bolts 7 16 in. 14 RH Thread, 3. 000 in. UHL, Set of 5 # 655 3000 Bolts, Hex Head, Chromoly Steel, Black Oxide, 7 16 in. 14 RH Thread, 3. 000 in. UHL, Set of 5 Fastener Size: 7 16 14 in. RH Underhead Length (in): 3. 000 in. Fastener Head Style: Hex head Fastener Material: Chromoly Fastener Finish: Black oxide Fastener Grade: ARP 8740 chrome moly Fastener Yield Strength (psi): 180,000 psi Wrench Diameter: 1 2 in. Washers Included: Yes