ARP 640-2250 SAE Bolt Kit 1/4-20 x 2.250 12pt black oxide bolts ymm_21 Threads rolled after heat treatment
Description
Threads rolled after heat treatment for increased fatigue resistance
Product Box Height 12
Fits Following Engines: 302 CID Chevrolet Small Block Generation I
F-450 1988-1997
Ensures correct exhaust valve operation
ARP 640-2250 SAE Bolt Kit 1/4-20 x 2.250 12pt black oxide bolts ymm_21 Threads rolled after heat treatmentSpecifications Socket Size(s) 5 16 12pt UHL 2. 250 Thread Length 1. 000 Grip Length 1. 250 Thread Diameter Pitch 1 4 20 Grip Diameter 1 4 Wrenching 5 16 Head Height 0. 255 Collar Diameter 0. 515
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