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Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads
Serpentine
Size 81 # HO122-81
New Distributor
Available for Chevy
CHEV BB 427 454 502 ARP HARMONIC BALANCER BOLT KIT # 135-2501 Rate_15 Cylinder Heads: BluePrint Engines AluminumCHEV BB 427 454 502 ARP HARMONIC BALANCER BOLT KIT # 135 2501 Harmonic Balancer Bolt, Chromoly, Black Oxide, 12 Point, Chevy, Big Block, Each Thread Size: 1 2 in. 20 Underhead Length (in.): 1. 550 in. Head Style: 12 point Washer Included: Yes Fastener Tensile Strength (psi): 200,000 psi Fastener Material: 8740 chromoly Fastener Color: Black oxide Quantity: Sold individually.
