ARP 4.145" Tapered Billet Aluminum Ring Compressor Bulk Fasteners 27 in W x 15

27 in W x 15 in H x 3 in D

Includes all components necessary except main jets

Ribbon Window Net is used and approved in all sanctioning bodies

1300 lb/in Spring Rate

ARP 4.145" Tapered Billet Aluminum Ring Compressor Bulk Fasteners 27 in W x 15ARP's ring compressors are CNC machined from 6061 T6 billet tube material and feature a true radius for each differentbore 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? high numbers for easy identification. Standard stocking sizes from 3. 552? to 4. 750? (SAE) and 75mm to 95. 5mm (metric). The true radius design is far superior to