Description
The ultimate sleeper package for the 2023-2026 Yamaha YZ450F. Utilizing a Dynamic Racing 102mm 14.4 compression ratio piston and a matching 102mm cylinder. This punches your engine to nearly 500cc. This all-in-one bolt-on kit is designed for racers seeking significant performance gains without the hassle of extensive modifications. No case mods needed, install with ease!
Cylinder core NOT required. If you would like to exchange a good cylinder core, we offer a $50 refund after you purchase the kit, and we receive the cylinder.
Key Features:
- Instant Power Gains: Simply install the kit with all the supplied parts and expect great power gains in just a couple hours! Expect a 6-8 horsepower gain quality race fuel and proper tune.
- Innovative Crown Design: The standout feature of this piston kit is its advanced crown design, which enhances combustion efficiency for improved power output, allowing your engine to perform at its best.
- Premium Components: This kit includes a custom designed JE piston, proprietary crown design, DLC-coated wrist pin that reduces friction, maximizing durability, and performance. The specially designed ring pack ensures a secure seal for enhanced reliability.
- Gaskets: A high-quality Cometic copper head and OEM base gasket ensures superior sealing and uninterrupted performance.
- Cylinder: OEM Sleeved cylinder with a polished hone process provides great ring seal and extreme durability. No cylinder cracking! Cylinder appears STOCK! from the outside.
- Race Fuel: We recommend a higher-octane race fuel for this application! T4+, Pr06, MR12 or equivalent
Kit Includes:
- 14.4:1 High Comp Piston
- 102MM Bore Cylinder
- DLC Coated Wrist Pin
- Titanium Nitrided Ring Pack
- Head and Cylinder Gasket
For optimal performance, we highly recommend pairing this kit with our Vortex ECU and custom maps to fully unleash the capabilities of your YZ450F!
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