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The ARP big-block Ford 390–428 main bolt kit supplies main bearing cap bolts sized for 390–428 big-block Ford engines. This main bolt kit is intended for engine assembly and rebuilds where correct main-cap clamping is required. By providing the correct fasteners for the 390–428 range, the kit helps ensure accurate alignment and secure retention of the crankshaft main caps during reassembly.
ARP BB Ford 390-428 Main Bolt Kit
