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, Straight Tube, Chromoly, Ball Tips, 7.700 in. Long, .165 in. Wall, 7/16 in. Diameter, Each

COMP Cams Pushrod, Straight Tube, Chromoly, Ball Tips, 7.700 in. Long, .165 in. Wall, 7/16 in. Diameter, Each

$32.64

Powerhouse Adapter, Compression Tester, 10mm, Each

Powerhouse Adapter, Compression Tester, 10mm, Each

$26.78

COMP Cams Pushrod, Straight Tube, Chromoly, Ball Tips, 8.950 in. Long, .165 in. Wall, 7/16 in. Diameter, Set of 16

COMP Cams Pushrod, Straight Tube, Chromoly, Ball Tips, 8.950 in. Long, .165 in. Wall, 7/16 in. Diameter, Set of 16

$526.26

COMP Cams Pushrod, High Energy 10.136 in. Long, 5/16 in. Diameter, Each

COMP Cams Pushrod, High Energy 10.136 in. Long, 5/16 in. Diameter, Each

$6.21

COMP Cams Pushrod, Hi-Tech, Chromoly, Heat-Treated, 7.950 in. Long, .105 in. Wall, 5/16 in. Diameter, Set of 16

COMP Cams Pushrod, Hi-Tech, Chromoly, Heat-Treated, 7.950 in. Long, .105 in. Wall, 5/16 in. Diameter, Set of 16

$510.71