ARP 4.000" Tapered Billet Aluminum Ring Compressor H753C4257 and Carbon

and Carbon

Chevy 1955-64

Clamp-on design is formed of two halves which bolt together around 1" to 1-3/4" round tubing

Pontiac: Tempest 68 - 70Vehicle Applications: Buick: Skylark 68 - 72

ARP 4.000" Tapered Billet Aluminum Ring Compressor H753C4257 and CarbonARP'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