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Includes (Piston, Ring Set, & Circlips).","Replaces OEM Numbers: YAMAHA: 1SL-116A0-00-00","Compatible With/Replacement For: Yamaha WR 450 F 2016-2018, YZ 450 F 2014-2017, YZ 450 FX 2016-2018","1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you, contact us for a replacement.","100% New aftermarket Forged Replica Piston Kit built to meet OEM specifications"]},{"asin":"B07HF5ZL5H","title":"Vertex 23958B Piston Kit - Standard Bore 96.94mm, 12.5:1 Compression","brand":"Vertex","image":"https://m.media-amazon.com/images/I/41Epg7E1GmL._SL75_.jpg","url":"https://www.amazon.com/dp/B07HF5ZL5H?tag=atariguidz09-20","description":"Bore: 96.94mm<br>Compression: 12.5:1 Compression<br>Sizing: Standard Bore<br><br>All pistons are heat treated with a T-5 hardening and tempering cycle.<br> All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life.<br> Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston.<br> Forged pistons are forged from 2618 aluminum for superior strength and durability.<br> Forged High Compression pistons improve power and torque across entire rpm range.<br> Big Bore pistons increase engines displacement, torque, and peak horsepower.<br> Forged Replica pistons are forged OE replacements.<br> Replica pistons and all rings are OEM replacements.<br><br>This item fits the following vehicle applications:<br>compatible with Yamaha WR450F 2016-2018<br>compatible with Yamaha YZ450F 2014-2017<br>compatible with Yamaha YZ450FX 2016-2018<br>","features":["All pistons are heat treated with a T-5 hardening and tempering cycle","All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life","Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston","Forged pistons are forged from 2618 aluminum for superior strength and durability","Forged High Compression pistons improve power and torque across entire rpm range"]}]},"metadata":{"generated_date":"2026-09-16","last_updated":"2026-09-16","data_sources":["Summit Racing","Zoro","allterraindepot.com","motomentum.com","rvautoparts.com","socalpowersports.com","Amazon"],"completeness":1.0,"version":"1.2"}}},"pagination":null,"nav":{"home":"/python/html6/index.html","brands":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html","parts":"/python/html6/menu_part_index/menu_part_index_parts_909e6bf0ca.html","attributes":"/python/html6/menu_attr_index/menu_attr_index_attributes_d7f67a250d.html"}}