Clevite H-Series Main Bearing - Standard - Big Block Chevy 10209C Billet 90 mm Taper Bore

Billet 90 mm Taper Bore

Polished Center

Fits IRS Only

Provided with a plug-in wiring harness with wire colors that match the 6EFI ignition for an easy installation

Holley EFI 160lb/hr

Clevite H-Series Main Bearing - Standard - Big Block Chevy 10209C Billet 90 mm Taper BoreClevite H Series performance bearings have a medium level of eccentricity, high crush, and a hardened steel back and thin overlay. These bearings are made without flash plating for better seating. Use H Series bearings with crankshafts that have oversize fillets and where engines run in the medium to high RPM range. Vehicle Applications: 1965 1972 Chevrolet Biscayne 1968 1974 Chevrolet C30 Pickup 1968 1974 Chevrolet K10 Suburban 1968 1974 GMC C15