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. Sold individually.
Product Details:

• Engine Piston Ring Compressor - Tapered
• Fits 4.155 Inch Piston Bore
• Made From High-Quality Aluminum
• Red Anodized Finish
• Sold As Each