Clevite Main Bearings, 400 main, tri metal, Coated, .009" undersized MS-1038HC-9

Clevite main bearings, coated, tri-metal, .020” undersized, SBC 400, MS1038HC-20

Clevite MS1038H SMALL BLOCK CHEVY 400" V8 Engine PERFORMANCE Main Bearing Set

CLEVITE CB663P MS1038P Rod+Main Bearings Set Kit for SB Small Block Chevy 400

KING Performance/Race HP Connecting Rods+Main Bearings Set Chevy SB 400 STD

Clevite MS1038H-10 SMALL BLOCK CHEVY 400" V8 Engine PERFORMANCE Main Bearings

KING CR807HPN MB509HP RACE Rod+Main Bearings Set Kit for Chevy small block 400

Clevite MS1038P SBC Small Block Chevy 400 Main Bearings Std. Size P-Series