Putting the connecting rod through first, simply place the piston, with rings, into the tapered end of the ring compressor. Tighten the compressor snugly around the base of the piston. Then lay the compressor flat on the engine cylinder bore. Sold individually.
Product Details:

• Adjustable Piston Ring Compressor Tool
• Unit has a 4.125 Inch to 4.205 Inch Bore Range
• Gold Anodized Finish
• Made from High-Quality Aluminum Material
• Sold As Each