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.
Product Features:- Tapered
- Fits 4.040-in. Piston Bore
- Made from High-Quality Aluminum
- Red Anodized Finish
- 1-inch Stud Length