Akerly & Childs 4.375" Bore Piston Ring Compressor Tapered Billet Aluminum Black Anodize - Each R07C022XL Our research and development program

Our research and development program supports our ongoing commitment to raise the bar across the industry for strength and durability

Higher cooling system pressure raises the boiling point of coolant to help reduce the risk of overheating

Bolts have 7/8"-9 threads and are available in a fixed or swivel end design

universal firewall bell crank assembly and two 24" throttle rods with rod ends and mounting hardware

Features Air Lift's limited lifetime warranty

Akerly & Childs 4.375" Bore Piston Ring Compressor Tapered Billet Aluminum Black Anodize - Each R07C022XL Our research and development programProduct Description: Piston Ring Compressor 4. 375 in Bore Tapered Billet Aluminum Black Anodized Sold Individually Akerly & Childs over 50 years experience in racing provide products for xtreme racing conditions.