ARP 3.900 Tapered Ring Compressor H760C39M 79-81 Firebird

79-81 Firebird

T-Bolt Clamp

Number 10 Hole

It steadies the head and helmet in bumps and jolts over rought terrain

ARP 3.900 Tapered Ring Compressor H760C39M 79-81 FirebirdARP'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