Clevite H-Series Coated Main Bearing Set - Standard - Big Block Chevy 2020023 Drives directly off of the

Drives directly off of the primary throttle shaft for accurate voltage readings

PerTronix 10002 Bracket

Drilled and slotted aluminum support strengthens Dirt Late Model and Modified rear roof area

Plugs provide a location to bleed air from cooling system of most GM LS engines

79% increase in holding power

Clevite H-Series Coated Main Bearing Set - Standard - Big Block Chevy 2020023 Drives directly off of theClevite 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. Product Description: Main Bearing H Series Standard Coated Big Block Chevy Clevite engine bearings have an extensive, long standing