Clevite H-Series Main Bearing - 0.010 in Undersize - Small Block Chevy MS1038H10 Hepfner Racing Products 688 in Bar

688 in Bar

265 in Dual Spring

No exhaust crossover passage

1983-1993 Ford Mustang GT 5

Clevite H-Series Main Bearing - 0.010 in Undersize - Small Block Chevy MS1038H10 Hepfner Racing Products 688 in BarClevite 77 manufactures a full line of exclusive TriMetal? copper lead high performance bearings. Choose the bearing series which best suits the intended application. "P" Series Traditional Clevite 77 TriMetal? bearings have high crush qualities for maximum bearing retention, high eccentricity to account for bore distortion and reduced overlay thickness to prevent fatigue. "H HN" Series Race engine builders prefer their lack of fl ash plating, medium