TOP END PISTON KIT; HONDA 450 CRF-R 21-23

Breathe new life into your 4-stroke enduro engine with Athena's Forged Top End Piston Kit. Engineered for riders who demand race-proven performance and long-lasting reliability, this complete rebuild kit pairs a precision-forged piston with Athena's premium top-end gasket kit for a seamless installation and dependable results. Manufactured using a reverse extrusion forging process and precision CNC machining, the piston delivers exceptional strength, superior heat resistance, and smooth, responsive power delivery, while premium Japanese piston rings and Athena's advanced gasket technology provide outstanding sealing under the most demanding riding conditions.

• Complete top-end rebuild kit featuring a forged 4-stroke piston and premium gasket set
• Reverse-extruded forged aluminum piston for exceptional strength and durability
• Precision CNC-machined for OEM-quality fit and consistent performance
• Premium Japanese piston rings with wear-resistant coatings reduce friction and extend engine life
• Optimized piston design delivers efficient combustion and responsive throttle performance
• Advanced gasket materials provide dependable, leak-free sealing for demanding enduro applications

Includes:

• Forged 4-Stroke Piston
• Piston Rings (2)
• Piston Pin / Wrist Pin
• Circlips
• Complete Top End Gasket Kit

Specs / Notes

• Piston Size: 95.95mm
• Displacement: 450cc
• Compression: 13.5:1
• Piston Type: Forged
• Compression Height: 20.60mm
• Piston Pin: Standard
• Big End Pin Diameter: 19 x 11 x 52.3mm