Clevite H-Series Main Bearings - 1/2 Groove - .019" Undersize - Tri Metal - SB Chevy - Set of 5 355013 Nuts have 3/8"-16 threads

Nuts have 3/8"-16 threads

Mercury: Cougar 67 - 73

Zamp’s SFI 16

Includes all components necessary except main jets

With compression-style design

Clevite H-Series Main Bearings - 1/2 Groove - .019" Undersize - Tri Metal - SB Chevy - Set of 5 355013 Nuts have 3/8"-16 threadsClevite 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