Akerly & Childs 4.020" Xtreme Piston Ring Compressor 20-OTL-NG 1974-1985 Cadillac Eldorado

1974-1985 Cadillac Eldorado

Valve Spring

with better breathing capability

1974-1974 Dodge B100 Van

Akerly & Childs 4.020" Xtreme Piston Ring Compressor 20-OTL-NG 1974-1985 Cadillac EldoradoPiston 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