The PROFORM tapered ring compressor is an affordable an easy way to install your pistons! By creating a slight squeeze on the piston ring the compressor eases the piston into the cylinder bore. Manufactured for engine blocks with studs.

Features:
Tapered
  • Fits 4.000-in. Piston Bore
  • Made from High-Quality Aluminum
  • Red Anodized Finish
  • PROFORM Parts Brand Product
  • Sold Individually
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