ARP Hex Head Black Oxide 5/16".-18 RH Thread 1000". UHL, Set of 5 # 651-1000 Rate_15 1 Groove water pump pulley

1 Groove water pump pulley and 1 groove crankshaft for Big Block Chev engines 396 427 454 SWP

High performance reliability you can trust

Notes:Designed to fit E-tec or Vortec style cylinder heads

Rod Bolt Kit

ARP Hex Head Black Oxide 5/16".-18 RH Thread 1000". UHL, Set of 5 # 651-1000 Rate_15 1 Groove water pump pulleyARP Hex Head Black Oxide 5 16". 18 RH Thread 1000". UHL, Set of 5 # 651 1000 Bolts, Hex Head, Custom 450, Black Oxide, 5 16 in. 18 RH Thread, 1. 000 in. UHL, Set of 5 Fastener Size: 5 16 18 in. RH Underhead Length (in): 1. 000 in. Fastener Head Style: Hex head Fastener Material: Chromoly Fastener Finish: Black oxide Fastener Grade: ARP Custom 450 Fastener Yield Strength (psi): 180,000 psi Wrench Diameter: 3 8 in. Washers Included: Yes Quantity: Sold