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- This Is a Replacement for a Single Piston, Does Not Replace Entire Set.
- Dedicated Forging.
- Light Weight and Superior Strength.
- Dome Design.
- Improved Flame Travel.
- Includes Chrome Plated Piston Pin.
- Horizontal Slot Pin Oiling.
- Reduced Friction/scuff Resistant.
- Pressure Seal Groove.
- Maximum Ring Seal.
- Skirt Coated - Armor Glide.
- Dedicated Rings.
- Maximum Compression and Oil Control.
- Race-Ready Dome Finish.
- Smooth Edges for Improved Combustion Flow.
- Bore Size (Mm): 95
- 12.5:1 Compression Ratio.
- Nikasil Bore.
Fitment:
- WR450F 03-11
- YZ450F 03-09
- Please Note: The Image Displayed Is Representative of the Piston, However Circlips, Wristpins & Rings, as Well as the Specific Type of Piston Will Vary Based on Your Model.
Andrew Ward
Reviewed in Canada on July 31, 2017
The first piston had a couple of small dings in the webbing on the bottom. probably caused by the pin hitting the aluminum as it bounced around in the box. Didn't want to risk the rebuild on a possibly weakened piston. Sent pictures to Perf-Moto and they took care of me. No cost - No questions. Replacement piston was perfect.
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