Bruce & Shark Bike Piston Pin Ring Set JOG90 Bore

• Manufactured using the latest computerized technology derived from GP and F1. Forged pistons are more heat resistant and last longer than cast pistons.

• These pistons additionally have a piston skirt coating. The piston set comes with rings, bolts, and clips.

• Airtight feature prevents gas leakage from the top of the piston. This piston ring also has a heat dissipation effect.

• Prevents excess oil from entering the combustion chamber and thoroughly lubricates the cylinder walls. It maintains the direction of piston movement, so choose the best piston ring for your engine.

• This kit includes pistons, rings, wrist pins, and circlips. Professional installation is highly recommended. Installation instructions are not included.

Features: Manufactured using the latest computerized technology derived from GP and F1. Forged pistons are more heat resistant and last longer than cast pistons. These pistons also have a piston skirt coating. The piston set comes with rings, bolts, and clips. Airtight function prevents gas leakage from the top of the piston. This piston ring also has a heat dissipation effect. Prevents excess oil from entering the combustion chamber and thoroughly lubricates the cylinder walls. It maintains the direction of piston movement, so choose the best piston ring for your engine. This kit includes pistons, rings, wrist pins, and circlips. Professional installation is highly recommended. Installation instructions are not included. Details: Condition: Aftermarket 100% new Material: Aluminum Bore type: +0.50 Bore size: 50.50mm Wrist pin diameter: 12mm Wrist pin height: 41mm Piston height: approx. 60mm Note: The piston has been changed. Please check whether the bore size and height match your motorcycle before purchasing. Compatible vehicles: Applicable for Yamaha JOG90CY90 1991-1997 Applicable for Yamaha YA90 Axis 90 1990-1997 Applicable for Yamaha YA90H 1992 (Compatibility chart is for reference only!!!) (Please compare the defective unit with the images we provided to determine fitment) Package includes: 1x piston 1x piston ring set 1x wrist pin 2x circlip Notes: Please check whether the P/N and height fit your motocycle before purchasing.