3.750 ring compressor

3.750 ring compressorMaterial: Aluminum Finish: Black Anodized Material 2: Finish 2: Origin: USA

drive toolMade from heat-treated 8740 chrome moly steel withheavy-duty black oxide finish

The threads are rolled after heat-treating which gives them about 2000% better fatigue strength than most main bolts that are threaded prior to heat-treating

ARP has developed the “Pro” Series Wave-Loc bolts

The perfect upgrade for many original brake hat bolts

The immunity to hydrogen embrittlement and corrosion of these materials is a significant design consideration

and female O-ring types

We highly recommend using a stretch gauge when installingrod bolts and other fasteners where it is possible to measure thelength of the bolt after tightening

All kits come complete with hardened parallel-ground washers and high quality nuts

Added features include oversized bolt head flange for cam button retention and reduced socket head size to facilitate easy installation and removal

ARP sprint car drive pins feature a broached hex for ease of installation and proper pre-load while the rounded end facilitates quick

All Pro Series head bolts have areduced wrenching hex or 12-point head and wide area flange to permit the use of larger diameter valve springs and eliminate theneed for valve train removal during cylinder head retorquing

000 psi and are able to easily handle the tremendous acceleration shock loads (shear) and lateral forces (elongation) found in racing