Akerly & Childs 3.905" Ring Compressor 355013 1975-1977 Pontiac Astre

1975-1977 Pontiac Astre

1979-1986 GMC G3500

16 AN Male to 1-5/8-12 in Male O-Ring

1995-1995 Pontiac Sunfire

1980-1986 GMC C5000

Akerly & Childs 3.905" Ring Compressor 355013 1975-1977 Pontiac AstrePiston 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