Performance HP-series connecting rod bearings and main bearings for Chevrolet 400ci small block V-8 engines. P/N CR807HPn + MB509HP (standard or oversize). These rod bearings are narrowed to accommodate crankshafts with large radius. This main bearing set has grooved upper shells.
The HP-series bearings have greater eccentricity for superior oiling at high rpm, and a chamfered surface for large radii crankshafts. HP-Series bearings also feature large, chamfered oil holes for improved oiling to withstand high-rpm applications.
Product images are for illustrative purposes only and may differ from the actual product.