ARP's new ring compressors are CNC machined from 6061-T6 billet tube material and feature a true radius for each different bore diameter. What's more, they are relieved for wire O-rings on bottom. Type 3 anodizing is used for long life, and the bore size is prominently engraved in 3/4in. high numbers for easy identification. standard stocking sizes from 3.552in. to 4.750in. (SAE) and 75mm to 100mm (metric). The true radius design is far superior to conventional tapered devices, and widely acclaimed by professional engine builders! This is truly the very best piston ing compressor on the market today.

More From This Category

COMP Cams Pushrod, Magnum, Chromoly, Heat-Treated 7.500 in. Long, .080 in. Wall, 5/16 in. Diameter, Each

COMP Cams Pushrod, Magnum, Chromoly, Heat-Treated 7.500 in. Long, .080 in. Wall, 5/16 in. Diameter, Each

$20.58

COMP Cams Pushrod, High Energy 8.350 in. Long, 5/16 in. Diameter, Each

COMP Cams Pushrod, High Energy 8.350 in. Long, 5/16 in. Diameter, Each

$6.52

Trick Flow Pushrod Length Checker, Adjustment Range 10.200 in. to 11.500 in, Ball Ends, Each

Trick Flow Pushrod Length Checker, Adjustment Range 10.200 in. to 11.500 in, Ball Ends, Each

$42.18

ARP Ring Compressor, Tapered, Billet Aluminum, Black Anodized, 4.232 in. Bore, Each

ARP Ring Compressor, Tapered, Billet Aluminum, Black Anodized, 4.232 in. Bore, Each

$134.65