{"product_id":"btr-gen-iii-iv-ls-powdered-metal-valve-guide-16pc-set-btr-311-2110-16-btr-311-2110-16","title":"BTR GEN III\/IV LS Powdered Metal Valve Guide - 16pc Set - BTR-311-2110-16","description":"\u003ch3\u003eBTR GEN III\/IV LS Powdered Metal Valve Guide - Single - BTR-311-2110-1\u003c\/h3\u003e \u003ch4 style=\"box-sizing: inherit; margin: 20px 0px; line-height: 1.5; font-size: 14px; font-family: 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003e\u003cspan style=\"color: #000000;\"\u003eBTR has brought out the BEST AMERICAN MADE valve guides on the market for your Gen III \u0026amp; IV or Gen V LT cylinder heads! BTR's powdered metal guides are a great upgrade or simply a service part for your worn stock guides. You will not find an aftermarket valve guide with a superior machining and metallurgy! Final honing per application required.\u003c\/span\u003e\u003c\/span\u003e\u003c\/h4\u003e \u003cdiv style=\"font-weight: 400; color: rgb(34, 34, 34); font-family: Arial, Helvetica, sans-serif; font-size: small; font-variant-ligatures: normal; orphans: 2; widows: 2; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e \u003cdiv\u003e\u003cstrong\u003eRecommended INTAKE valve stem to guide clearance of 0.0015\"- 0.0016\"  (For 8mm bronze guides clearance is typically 0.0008\").\u003c\/strong\u003e\u003c\/div\u003e \u003cdiv\u003e\u003cstrong\u003eRecommended EXHAUST N\/A valve stem to guide clearance of 0.0018\"- 0.0020\"\u003c\/strong\u003e\u003c\/div\u003e \u003cdiv\u003e\u003cstrong\u003eRecommended EXHAUST BOOSTED valve stem to guide clearance of 0.0020\"- 0.0022\"\u003c\/strong\u003e\u003c\/div\u003e \u003cdiv\u003e \u003c\/div\u003e \u003cdiv\u003e\u003cstrong\u003eThe O.D. is .500\" which is correct for OEM GM Gen III-V cylinder heads.\u003c\/strong\u003e\u003c\/div\u003e \u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\"\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e \u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\"\u003eI.D. : 0.3145\"\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e \u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\"\u003eLength: 2.110\"\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e \u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\"\u003eO.D.: 0.500\"\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e \u003cdiv\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\"\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e \u003cdiv\u003e\n\u003cstrong\u003e\u003cspan style=\"color: #000000;\"\u003eThis is the correct length for Gen III-IV heads except for LS7, use part number \u003c\/span\u003eBTR-311-2244 \u003c\/strong\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003efor Gen V and LS7.\u003c\/strong\u003e\u003cspan class=\"im\" style=\"color: rgb(80, 0, 80);\"\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eWILL NOT WORK WITH TYPICAL AFTERMARKET HEADS WHICH REQUIRE AN O.D. OF 0.5015\" Check with your cylinder head manufacturer for details.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/div\u003e \u003c\/div\u003e \u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003ctable class=\"data table additional-attributes\" id=\"product-attribute-specs-table\"\u003e  \u003ctbody\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eEMS Code\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"EMS Code\"\u003eEMS: Code 4 - This product does not require an EO in California. By nature of its design, it is legal for sale and use in all 50 states. Replacement parts included.\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eBTR SKU\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"BTR SKU\"\u003eBTR-311-2110-16\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eLength\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Length\"\u003e6.000000\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eWidth\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Width\"\u003e6.000000\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eHeight\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Height\"\u003e6.000000\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eWeight\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Weight\"\u003e3.000000\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003cth class=\"col label\" scope=\"row\"\u003eBrand\u003c\/th\u003e \u003ctd class=\"col data\" data-th=\"Brand\"\u003eBrian Tooley Racing\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e","brand":"BTR - Brian Tooley Racing","offers":[{"title":"Default Title","offer_id":62809048678559,"sku":"BTR-311-2110-16","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0424\/7571\/6767\/files\/btr-311-2110-16.jpg?v=1780751888","url":"https:\/\/streetdrivenperformance.com\/products\/btr-gen-iii-iv-ls-powdered-metal-valve-guide-16pc-set-btr-311-2110-16-btr-311-2110-16","provider":"Street Driven Performance","version":"1.0","type":"link"}