Akerly & Childs 4.000" Xtreme Piston Ring Compressor 15001903 and complete pump arm assembly

and complete pump arm assembly

Dual valve cover bolt pattern is standard

1982-1992 Buick Century

Alum adjusters

The 8 Hole Top Air design directs airflow only around the top of the helmet and is effective for drivers who are sensitive to airflow around the eye area

Akerly & Childs 4.000" Xtreme Piston Ring Compressor 15001903 and complete pump arm assemblyPiston 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