Akerly & Childs 4.020" Xtreme Piston Ring Compressor 98111 Magnetic Plugs:

Magnetic Plugs:

1966-1983 Jee

1984-1989 GMC P2500

Fit small and big block Chevy (except 348 and 409)

Cooling Fan Reinforcement Plate

Akerly & Childs 4.020" Xtreme Piston Ring Compressor 98111 Magnetic Plugs:Piston 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