ARP 4.155" Tapered Billet Aluminum Ring Compressor H778C42M 1979-1989 GMC K3500

1979-1989 GMC K3500

1966-1971 Dodge Charger

Brushless Spur Pro

a core width of 2-1/4" and an overall tank width of 2-3/4”

Sizes included are -6AN

ARP 4.155" Tapered Billet Aluminum Ring Compressor H778C42M 1979-1989 GMC K3500ARP'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