ARP High Performance Wave-Loc Series Connecting Rod Bolt Kit - Ford 289-302 - 5/16" H775C04XL External seams

External seams

Pull Up Style Lap Belt

Driver / Passenger Side

Tray has 16 holes for spark plug and nozzle holder use

ARP High Performance Wave-Loc Series Connecting Rod Bolt Kit - Ford 289-302 - 5/16" H775C04XL External seamsManufactured from the same 8740 steel as ARP's High Performance Bolts, but with Wave Loc shank design. Wave Loc symmetrical waves have an effective interference range of . 0005" to . 007" for proper cap alignment and fit. Stress risers formed by standard rod bolts in factory bolt holes are virtually eliminated. ARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline.