WSM 010-830-07K Polaris Piston Kit Oversize - 1mm

The WSM 010-830-07K is a complete piston kit designed for Polaris powersports engines, featuring a 1mm oversize bore for rebuilding worn cylinders. This Platinum Series piston kit is engineered to restore compression and performance in your Polaris engine during rebuilds and overhauls.

Kit Includes:

• Oversize piston (1mm larger than stock bore)
• Piston rings
• Wrist pin
• Circlips

Platinum Series Features:

• High-strength hardened aluminum construction designed to prevent skirt and ring groove breakage
• Non-abrasive piston wall coating that reduces heat and friction for added horsepower
• Extended piston life through advanced thermal management
• Manufactured to exact OEM specifications for precise fitment

This oversized piston kit is ideal for engine rebuilds where the cylinder has been bored 1mm over standard diameter to remove wear, scoring, or damage. WSM Platinum Series pistons deliver OEM-quality performance with enhanced durability for demanding powersports applications.