{"product_id":"chrome-steel-4-3-16-y-top-valve-cover-fastener-with-5-16-18-thread","title":"Chrome Steel 4 3\/16\" Y-Top Valve Cover Fastener with 5\/16\"-18 Thread","description":"\u003cp\u003eSecure your Pontiac or Ford Big Block valve cover with this chrome steel Y-top pull-apart wing nut fastener, sized for a 5\/16\"-18 thread — less common than the 1\/4\"-20 thread used on many small block applications, so verify your valve cover's fastener thread size before ordering.\u003c\/p\u003e\n\u003cp\u003eThe pull-apart design separates into two pieces — letting you thread the lower section into place first, then attach the Y-top for hand-tightening — which can make installation easier in tight-clearance spots than a one-piece fastener. This is a single fastener, 4-3\/16\" overall length with a 1\" thread length — sold individually, so confirm how many you need per valve cover before ordering. Washers and hold-down tabs are not included.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003cbr\u003eFits 5\/16\"-18 thread valve cover applications, commonly used on Pontiac V8 and Ford Big Block V8 valve covers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003cbr\u003eThe pull-apart design separates into two pieces, so you can thread the lower section into place first, then attach the Y-top for hand-tightening — useful in tight-clearance installs. Verify your valve cover's fastener thread size before ordering — 5\/16\"-18 is less common than 1\/4\"-20 on many small block applications. Washers and hold-down tabs are not included.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMPATIBLE WITH\u003c\/strong\u003e\u003cbr\u003e5\/16\"-18 thread valve cover fastener — commonly used on Pontiac V8 and Ford Big Block V8 valve covers\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNOTES\u003c\/strong\u003e\u003cbr\u003e• Steel construction, chrome finish, Y-top pull-apart wing nut style, 4-3\/16\" overall length, 1\" thread length, 5\/16\"-18 thread.\u003cbr\u003e• Sold as a single unit — confirm quantity needed per valve cover before ordering.\u003cbr\u003e• Washers and hold-down tabs not included.\u003cbr\u003e• Verify your valve cover's fastener thread size before ordering, since 5\/16\"-18 is less common than 1\/4\"-20 on many small block applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMON VEHICLE APPLICATIONS\u003c\/strong\u003e\u003cbr\u003ePontiac V8 valve cover applications\u003cbr\u003eFord Big Block V8 valve cover applications\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS\u003c\/strong\u003e\u003cbr\u003eFastener Style: Wing Nut\u003cbr\u003eFastener Material: Steel\u003cbr\u003eFastener Finish: Chrome\u003cbr\u003eFastener Nut Style: Y-Top Pull-Apart\u003cbr\u003eOverall Length: 4 3\/16\"\u003cbr\u003eThread Length: 1\"\u003cbr\u003eThread Size: 5\/16\"-18\u003cbr\u003eWashers: Not Included\u003cbr\u003eHold-Down Tabs: Not Included\u003cbr\u003eQuantity: Single\u003c\/p\u003e","brand":"Top Street Performance","offers":[{"title":"Default Title","offer_id":49562373783848,"sku":"SP7501","price":6.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0901\/8356\/5608\/files\/sp7501-100.jpg?v=1732644367","url":"https:\/\/www.topstreetperformance.com\/products\/chrome-steel-4-3-16-y-top-valve-cover-fastener-with-5-16-18-thread","provider":"Top Street Performance","version":"1.0","type":"link"}