Akerly & Childs 4.250" Xtreme Piston Ring Compressor 1425022 These are a direct performance

These are a direct performance bolt on upgrade

Blue / Red / Silver

095 in Tube Wall

For Camlock type belt systems

gas and alcohol compatable

Akerly & Childs 4.250" Xtreme Piston Ring Compressor 1425022 These are a direct performancePiston installation is as important a procedure as any other during engine assembly. That is why Akerly & Childs Xtreme ring compressors are manufactured with the engine builder in mind. All compressors are machined with a step at the bottom to clear block o rings when used. Xtreme compressors are manufactured from aircraft quality 6061T6 heat treated aluminum and then hard anodized for long life. Akerly & Childs over 50 years experience in racing