{"product_id":"basic-valvetrain-kit-for-promaxx-300-ford-heads","title":"Basic Valvetrain Kit – For ProMaxx 300 Ford Heads","description":"\u003cp data-start=\"185\" data-end=\"316\"\u003e\u003cstrong data-start=\"241\" data-end=\"316\"\u003e8mm Stainless Valves | Hydraulic Roller Ready | Built for the Blue Oval\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"318\" data-end=\"623\"\u003eGive your\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"328\" data-end=\"354\"\u003eProMaxx 300 Ford heads\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethe top-end support they deserve with this all-in-one\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"409\" data-end=\"433\"\u003ebasic valvetrain kit\u003c\/strong\u003e—engineered for hydraulic roller setups and designed to handle up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"502\" data-end=\"516\"\u003e.540” lift\u003c\/strong\u003e. It’s a strong, reliable combo that delivers smooth operation, high-RPM control, and long-term durability.\u003c\/p\u003e\n\u003cp data-start=\"625\" data-end=\"1021\"\u003e\u003cstrong data-start=\"625\" data-end=\"642\"\u003eKit Includes:\u003c\/strong\u003e\u003cbr data-start=\"642\" data-end=\"645\"\u003e????\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"648\" data-end=\"667\"\u003e6 Intake Valves\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– 8mm stainless steel\u003cbr data-start=\"689\" data-end=\"692\"\u003e????\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"695\" data-end=\"715\"\u003e6 Exhaust Valves\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– 8mm stainless steel\u003cbr data-start=\"737\" data-end=\"740\"\u003e????\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"743\" data-end=\"768\"\u003eBeehive Valve Springs\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– For hydraulic roller cams, rated to\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"807\" data-end=\"825\"\u003e.540\" max lift\u003c\/strong\u003e\u003cbr data-start=\"825\" data-end=\"828\"\u003e????\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"831\" data-end=\"858\" data-is-only-node=\"\"\u003eSteel Beehive Retainers\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Made for 8mm valve stems\u003cbr data-start=\"885\" data-end=\"888\"\u003e????\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"891\" data-end=\"923\"\u003eForged Valve Keepers (Locks)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Secure 7° fitment\u003cbr data-start=\"943\" data-end=\"946\"\u003e????️\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-start=\"950\" data-end=\"965\"\u003eViton Seals\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Designed for 8mm valve stems and beehive spring seats\u003c\/p\u003e\n\u003chr data-start=\"1023\" data-end=\"1026\"\u003e\n\u003cp data-start=\"1028\" data-end=\"1348\"\u003e\u003cstrong data-start=\"1028\" data-end=\"1045\"\u003eWhy It Works:\u003c\/strong\u003e\u003cbr data-start=\"1045\" data-end=\"1048\"\u003eProMaxx 300 heads already flow strong—this kit ensures your valvetrain keeps up. Lighter 8mm valves reduce valvetrain mass, while the beehive spring setup improves stability and RPM potential. Whether you're building a street machine or a track weapon, this setup is built to run hard and stay tight.\u003c\/p\u003e","brand":"DFW Speed Syndicate ","offers":[{"title":"Default Title","offer_id":42815505858665,"sku":null,"price":379.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/1256\/7401\/files\/558A0915-2.avif?v=1768355528","url":"https:\/\/www.dfwspeedsyndicate.com\/products\/basic-valvetrain-kit-for-promaxx-300-ford-heads","provider":"DFW Speed Syndicate ","version":"1.0","type":"link"}