Namura .040 Over Bore Pistons & Gasket Kit for Arctic Cat 650 V2 V-Twin 81mm

.040 Over Bore Pistons & Gasket Kit for Arctic Cat

This .040 over bore piston and gasket kit delivers a complete top-end rebuild for Arctic Cat 650 V2 V-Twin engines, combining premium pistons with a full gasket set to restore performance and reliability.

Overview

Designed specifically for the Arctic Cat 650 V2 V-Twin, this piston and gasket kit includes two pistons (0.040 over bore) and all necessary gaskets for a thorough engine rebuild. Whether refreshing a worn engine or upgrading displacement, this kit ensures a precise fit and durable operation for your Arctic Cat 650.

Built For Performance

• Forged aluminum pistons for high strength and heat resistance
• Precision-machined to .040 oversize for 81mm bore
• Includes wrist pins and retaining clips for complete piston assembly
• Full gasket set includes head gasket, base gasket, and seals
• Designed to meet OEM specifications for reliable compression
• Compatible with standard ring gaps and assembly procedures

Fits These Machines

• for Arctic Cat 650 V2 V-Twin

Specs At A Glance

Good To Know

Q: Do I need to machine my cylinders for these pistons? A: Yes, .040 over bore pistons require the cylinder to be bored and honed to the correct size by a qualified machine shop.

Q: Does this kit include rings? A: Yes, the piston kit includes piston rings pre-gapped for .040 over size, ready for installation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.