{"product_id":"6684-valve-spring-compressor-tool-303-1039-for-ford-4-6l-5-4l-6-8l-3v-engine","title":"6684 Valve Spring Compressor Tool 303-1039 for Ford 4.6L 5.4L 6.8L 3V Engine","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis aftermarket replacement valve spring compressor tool is intended for Ford 4.6L, 5.4L, and 6.8L 3V engine applications and cross-references part numbers 6684 and 303-1039. A valve spring compressor tool is used to compress valve springs during engine valve-train service.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupports compression of valve springs during applicable engine service work\u003c\/li\u003e\n\u003cli\u003eIntended for servicing valve-train components on the listed Ford engine applications\u003c\/li\u003e\n\u003cli\u003eReferences part numbers 6684 and 303-1039 for comparison\u003c\/li\u003e\n\u003cli\u003eUseful when replacing or servicing valve springs and related components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\u003cli\u003efor Ford 4.6L, 5.4L, and 6.8L 3V engine applications\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eValve spring servicing during engine maintenance\u003c\/li\u003e\n\u003cli\u003eRemoval or installation work involving applicable valve-train components\u003c\/li\u003e\n\u003cli\u003eEngine repair procedures requiring valve spring compression\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Valve spring compressor tool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 6684; 303-1039\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Application(s):\u003c\/strong\u003e Ford 4.6L, 5.4L, and 6.8L 3V engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What does a valve spring compressor tool do? \u003cstrong\u003eA:\u003c\/strong\u003e It compresses a valve spring to provide access to related valve-train components during engine service.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How should fitment be verified? \u003cstrong\u003eA:\u003c\/strong\u003e Compare the complete part number, including 6684 or 303-1039, with the complete Ford engine designation before purchase.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eThis is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":54407727677713,"sku":"ZZ3G00295","price":65.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/s-l1600_5d25f9b7-68d9-4cb6-9f63-70a097b49495.jpg?v=1787521280","url":"https:\/\/www.duraforce.com\/products\/6684-valve-spring-compressor-tool-303-1039-for-ford-4-6l-5-4l-6-8l-3v-engine","provider":"DURAFORCE","version":"1.0","type":"link"}