Piston diameter: 53

QUANSHENG handheld Radio:

Fit for Yamaha 40 PS/LR 1991

Yamaha YZF R6 2006-2011 Rear

3.5" Handlebar Risers Yamaha V-Star Honda VTX Suzuki Boulevard Kawasaki VN 900 Generic Honda?Foot Pegs Piston diameter: 53Specifics: High Quality Chrome Billet Handlebar Risers Size: Hole Diameter: 2. 5cm (1 inch) Min Diameter: 3. 2cm Max Diameter: 4. 9cm Total Height: 13. 5cm Height from bottom to center of hole: 9cm Pull Back: 3. 8cm Bottom Thread Mount: 0. 5 inch Coarse x 13 (13 threads inch) Bolt Color: Chrome Condition: 100% Brand New Quantity: 1 Pair (2 PCS) No include install instructor This set is made for 2. 5cm (1 inch) handlebars only All ,Cruisers ,Choppers