{"product_id":"ry19040-hpv-0","title":"RIVA Yamaha Performance Valve Set, 1.8L\/1.9L Standard","description":"\u003cp\u003e\u003cspan\u003eRIVA High Performance Valves are engineered to improve reliability and performance in high-boost supercharged \u0026amp; turbocharged engines. Intake valves are built from high grade EV-8 (24-4N) stainless that is extremely resistant to corrosion. Exhaust valves are built from inconel alloy (IN-751) that is highly resistant to heat damage. Valve heads have been redesigned for increased air flow and durability. Valve stems feature hard-chrome plating for superior wear \u0026amp; lubricity. Kits include high strength valve locks, precision machined from 4130 chromoly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDrop-In Valve Kits:\u003c\/strong\u003e Direct drop-in replacement valves require no machining of cylinder head.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cstrong\u003eOversized Valve Kits:\u003c\/strong\u003e +1mm Intake \u0026amp; +1mm Exhaust valves deliver more air flow (requires machining of cylinder head).\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eStronger \u0026amp; lighter than stock valves.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRedesigned valve heads for improved air flow \u0026amp; strength.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHigh grade stainless intake valves resist corrosion.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eInconel exhaust valves resist heat from high boost applications.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eValve stems are hard-chrome plated for improved wear.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eIncludes high strength valve locks.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSold in sets of 16 (8 Intake\/8 Exhaust).\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eFits all Yamaha 1.8L \u0026amp; 1.9L cylinder heads. \u003c\/span\u003e\u003c\/p\u003e","brand":"RIVA RACING","offers":[{"title":"Default Title","offer_id":47563293884646,"sku":"RY19040-HPV-0","price":698.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/2848\/3302\/files\/f144956491_ii0riu69wqell0qg.webp?v=1778199323","url":"https:\/\/robtunedllc.com\/products\/ry19040-hpv-0","provider":"Robtuned LLC","version":"1.0","type":"link"}