SPI Top End Gasket Kit for Polaris Fusion 900, RMK 900, Switchback 900 2005-2006

Top End Gasket Kit for Polaris

This top end gasket kit is designed for the Polaris Fusion 900, RMK 900, and Switchback 900 snowmobiles from 2005-2006, providing all necessary gaskets for a top-end rebuild. The top end gasket kit includes cylinder base gasket, head gasket, and other sealing components to ensure a leak-free engine.

Overview

This top end gasket kit is a comprehensive gasket set for Polaris 900 series engines, delivering reliable sealing for the cylinder head and base during rebuilds. The top end gasket kit is crafted from high-quality materials to withstand extreme temperatures and pressures, making it ideal for snowmobile applications. This top end gasket kit ensures proper compression and prevents oil and coolant leaks.

Built For Performance

• Includes all gaskets needed for a top-end rebuild: head gasket, base gasket, exhaust gaskets, and more
• Constructed from multi-layer steel or high-temperature composite materials for durability
• Precision-cut openings match engine ports exactly for proper flow
• Resistant to heat, pressure, and chemical degradation
• Engineered to maintain correct squish clearance and compression ratio

Fits These Machines

• for Polaris Fusion 900 (2005-2006)
• for Polaris RMK 900 (2005-2006)
• for Polaris Switchback 900 (2005-2006)

On-The-Job Use

• Rebuilding the top end of a Polaris snowmobile engine after wear or failure
• Replacing worn gaskets during piston or cylinder replacement
• Restoring engine compression and preventing coolant or oil leaks
• Used in performance builds to ensure a proper seal under high boost or RPM

Good To Know

Q: Does this gasket kit include the exhaust flange gaskets? A: Yes, the kit typically includes all necessary gaskets for the top end, including exhaust outlet gaskets where applicable.

Q: Is this kit compatible with other Polaris 900 models? A: This kit is designed for the 2005-2006 Polaris Fusion 900, RMK 900, and Switchback 900; confirm your specific model and year before ordering.

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