• Wiseco forged pistons are superior in strength and design
• Engineered to provide the best possible path for combustion chamber heat transfer to cylinder heat transfer to cylinder walls
• Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse

NOTE: Our pistons, rings and kits are sold by application and bore size. Please note that STANDARD and OVERSIZES are not indicated. To get the correct part, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please call Technical Service.

• Wiseco forged pistons are superior in strength and design
• Engineered to provide the best possible path for combustion chamber heat transfer to cylinder heat transfer to cylinder walls
• Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse
• Cast Iron Bore

Cylinder Sleeving and Cylinder Head Machining Required

Displacement 739cc - 4.00mm oversize

NOTE: Our pistons, rings and kits are sold by application and bore size. Please note that STANDARD and OVERSIZES are not indicated. To get the correct part, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please call Technical Service.

(1) Piston

(2) Cir-clips (CW20)

(1) Wrist pin

(1) Top ring

(1) Second ring

Instructions