ACL Race Series main bearing set for AMC/Jeep V8 304/360/401 includes 0.030" oversize main bearings designed for machined or high-deck engine builds. These bearings are produced to match the listed dimensions and provide the larger oversize tolerance required to restore proper clearances during reassembly, supporting reliable crankshaft operation in race or performance-oriented engine projects.
ACL AMC / Jeep V8 304 / 360 / 401 cu in. Race Series 0.030in Oversize Main Bearing Set