Performance Tool piston ring compressor set with six different band sizes for V-twin engine rebuilds and piston installation. Covers piston diameters from 2 7/8" to 4 3/8", fitting most Harley-Davidson and Indian Motorcycle applications. Features Six compressor band sizes in one kit Fits pistons 2 7/8" (73 mm) through 4 3/8" (110 mm) Lifetime warranty Durable steel construction Specifications Brand: Performance Tool Manufacturer Part #: W89410 UPC: 039564894107 Piston Range: 2 7/8" to 4 3/8" diameter Length: 13.2 in Width: 10.7 in Height: 1.4 in Weight: 4.15 lbs Country of Origin: China (Taiwan) Fitment Fits V-twin motorcycles including most Harley-Davidson and Indian Motorcycle models. Frequently Asked Questions What piston sizes does this compressor set cover? Six band sizes fit pistons from 2 7/8" (73 mm) through 4 3/8" (110 mm) in diameter. Will this work on my Harley or Indian? Yes — this kit covers the piston range for most V-twin Harley and Indian engines. Is there a warranty? Yes — Performance Tool backs this set with a lifetime warranty against defects. Do I need any other tools to use this compressor? You'll also need a hammer or mallet to gently tap the bands onto the pistons during installation.