Proform - Engine Piston Ring Squaring Tool Universal Fits 4.00 to 4.310in. Bore Sizes

Get your piston rings aligned the first time! Just simply press piston rings down for perfect depth every time. U.S. Pat. 6,042,456. Sold individually.
Product Details:

• Engine Piston Ring Squaring Tool
• Universal Model
• Fits 4.000 Inch To 4.310 Inch Bore Sizes
• High-Quality Billet Aluminum With Natural Finish
• Helps Eliminate Guesswork and Ensure Accurate Piston Ring Alignment
• Patented Design
• Sold As Each