Harmonic Balancer Bolt, 27mm 12-Point Head, 4.325 in. UHL, Chromoly, Black Oxide, LS Gen. III/IV, Chevrolet, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L, Each

Part Number: ARP-234-2503

4.94 out of 5 stars ( 187 )

Estimated Ship Date: Dec 1, 2026 if ordered today

Oil Pan Bolts, Chromoly Steel, Black Oxide, Hex Head, Chevy, Small Block, LS1, Kit

Part Number: ARP-134-6901

4.69 out of 5 stars ( 16 )

Estimated Ship Date: Today