Akerly & Childs 4.125" Xtreme Piston Ring Compressor 711001 3D MAXpider offers a full-range

3D MAXpider offers a full-range of precision-measured liner solutions to enhance a vehicle's interior

The Top Air System can be fitted onto ST5 Formula and GT models

Bearing / Washers Included

Wrap Around or Bolt-in Mounting

Akerly & Childs 4.125" Xtreme Piston Ring Compressor 711001 3D MAXpider offers a full-rangePiston 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