Engine Piston Ring Squaring Tool Billet Aluminum Natural Anodized Fits 4.400-4.4.640 Inch Bore Sizes Proform Spark Plug Insert 0001 Inch Increments

0001 Inch Increments

875 Inch Diameter

any bolt-loosening rotation is blocked by a wedge-locking action created by the washers interfacing

Spark Plug Adapter

Engine Piston Ring Squaring Tool Billet Aluminum Natural Anodized Fits 4.400-4.4.640 Inch Bore Sizes Proform Spark Plug Insert 0001 Inch IncrementsGet your piston rings aligned the first time! Just simply press piston rings down for perfect depth every time. Sold individually. Product Details: Engine Piston Ring Squaring Tool Fits 4. 400 Inch To 4. 640 Inch Bore Sizes High Quality Billet Aluminum With Silver Anodized Finish Helps Eliminate Guesswork and Ensure Accurate Piston Ring Alignment Patented Design Sold As Each