Wiseco GP Series Piston Kit, 54.00 mm for Beta, Gas Gas, Husaberg, Husqvarna and KTM (868M05400)

Upgrade engine performance and durability with the Wiseco 868M05400 GP Series Piston Kit. Designed for select Beta, Gas Gas, Husaberg, Husqvarna and KTM applications, this forged and machined piston is engineered to withstand high engine speeds while helping maintain reliable operation under demanding conditions. The piston features an electra-coated dome, ring groove and wrist pin bore for enhanced wear resistance and improved protection against micro-welding, galling and detonation.
The Wiseco GP Series piston is designed with reduced external machining to help promote improved bore sealing and increased compression potential. An ArmorGlide® skirt coating helps reduce friction and operating noise, supporting smoother performance and additional horsepower potential. These features make the 868M05400 a dependable choice for performance-focused engine rebuilding and replacement applications.
This piston kit includes the piston, piston ring or rings, wrist pin and circlips required for installation. Each component is engineered, forged and machined in the USA to Wiseco’s exacting standards. Verify engine model, year and application compatibility before installation to ensure proper fitment and performance.

Features:

• 54.00 mm piston size for compatible Beta, Gas Gas, Husaberg, Husqvarna and KTM engines

• Forged and machined construction engineered for durability and high-RPM performance

• Electra-coated dome, ring groove and wrist pin bore for enhanced wear resistance

• Protection against micro-welding, galling and detonation-related damage

• Reduced external machining helps promote improved bore sealing and compression potential

• ArmorGlide® skirt coating helps reduce friction and operating noise

• Kit includes piston, ring or rings, wrist pin and circlips

• Engineered, forged and machined in the USA

Ships from Parts Unlimited.