Calico Coated Clevite SBC H Series .001″ Undersize Main Bearings MS-909H-1

Clevite 77 Tri-Metal Connecting Main Bearing Set for Small Block Chevy. Narrowed for clearance with aftermarket high performance crankshafts with larger fillet radius. Suitable for all forms of racing engines, H-Series bearings offer a medium level of eccentricity, a high crush factor with hardened steel backs and thin bearing overlay.

The H-Series bearings have enlarged chamfers at the sides for greater crank-fillet clearance and are made without flash plating for better seating.

These bearings are Coated By Calico with their CT-1 Dry Film Lubricant to reduce friction and abrasive wear. The coating lowers the coefficient of friction and increases load carrying capacity. Typical coating thickness is 0.00025″ to 0.00030″ inch.

• 0.001″ Crankshaft Undersize
• 1/2 Groove
• Tri-Metal
• Calico Coated CT-1 Dry Film
• Use H-Series bearings with crankshafts that have oversize fillets and where engines run in the medium to high RPM range