ARP 3.572 Tapered Ring Compressor RS004C1813 From the one-piece sealed housing

From the one-piece sealed housing with a built-in clear sight window to the massive 1

these systems provide a wide range of performance

1987-1988 GMC R3500

eliminating tow bills

ARP 3.572 Tapered Ring Compressor RS004C1813 From the one-piece sealed housingARP's 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 4 in high numbers for easy identification. Standard stocking sizes from 3. 552 in to 4. 750 in (SAE) and 75mm to 95. 5mm (metric). The true radius design is far superior to