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Dynamic Racing 2023-2025 Yamaha YZ450F 14.5 High Compression Piston Kit We designed this piston for durability and to provide a significant bump in performance across the entire rev range. Key Features: -Maintains OEM ring pack for easy serviceability -Excludes middle iron oil scraper ring for enhanced performance -Improves performance across the entire power band -Eliminates the risk of stock wrist pin failures, addressing a common issue with this model Technicals: - 91-93 Pump Fuel Friendly - Boxed and Braced Undercrown - Uncoated Wrist Pin (Upgraded DLC available upon request)
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