Part Number: 2305M07300 Dedicated forging for superior strength to weight ratio Race Proven Design CNC precision machined High performance ring set High quality alloy piston pin Wiseco high performance forged pistons are designed from over 70 years of experience in all racing and riding conditions, to provide your engine with the best performance, durability, and long service life. All Wiseco pistons and components are optimized for your vehicle to get the most value for your money. Look to Wiseco for all of your performance needs. Fits: Yamaha VK540 (1988 - 2005) Yamaha SRV540 (1980 - 1991) Yamaha XL-V (1986 - 1990) Piston Details: Displacement: 535cc Bore - Standard: 73.00mm Bore - Actual: 73.00mm Bore - Oversize: STD Stroke: 64.00mm Cylinders: 2 Note: Pro-Lite Note: Cast Iron Bore Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Wiseco Piston Kit Part Number 2305M07300 Fitment Type Unit Sale Qty Kit Style Material Color Size 73.00mm Finish Position Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Piston/Cylinder Size 73.00mm Piston Size Added Cylinder Stroke Volume 64.00mm Final Engine Displacement 535cc Exhaust Configuration Muffler Size Muffler End/Tip Style Windshield Height Windshield Width Handlebar Diameter Ca ARB Compliance Non CARB Complaint CARB Compliant Product Disclaimer Items Included Fitments