{"product_id":"kingman-speed®-ls1-ls2-ls3-ls6-ls7-lifter-guide-trays-bolts-12551163","title":"Kingman Speed® LS1\/LS2\/LS3\/LS6\/LS7 Lifter Guide Trays \u0026 Bolts (12551163)","description":"\u003cp\u003e\u003cstrong\u003eGM Part #12551163 is a multi-purpose OEM engine bolt used in General Motors LS-series V8 engines (1997-2014+). Its primary function is securing the valve lifter guide trays (or lifter buckets) in the engine block.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-ved=\"2ahUKEwjLuM2YwOKVAxWdKkQIHZwaD1sQi4wTegoIAggACAAIDRAB\" data-hveid=\"CAIIAAgACA0QAQ\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cstrong\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cspan class=\"Yjhzub\"\u003eThread Size:\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e Metric M6 x 1.0 thread pitch\u003cbr\u003e\u003cbr\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-ved=\"2ahUKEwjLuM2YwOKVAxWdKkQIHZwaD1sQi4wTegoIAggACAAIDRAD\" data-hveid=\"CAIIAAgACA0QAw\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cstrong\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cspan class=\"Yjhzub\"\u003eLength:\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e 19 mm under-head length (UHL)\u003cbr\u003e\u003cbr\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-ved=\"2ahUKEwjLuM2YwOKVAxWdKkQIHZwaD1sQi4wTegoIAggACAAIDRAF\" data-hveid=\"CAIIAAgACA0QBQ\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cstrong\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cspan class=\"Yjhzub\"\u003eHead Type:\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e 6-point hex head (requires a 10mm socket) with a built-in unthreaded shoulder\u003cbr\u003e\u003cbr\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-ved=\"2ahUKEwjLuM2YwOKVAxWdKkQIHZwaD1sQi4wTegoIAggACAAIDRAH\" data-hveid=\"CAIIAAgACA0QBw\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cstrong\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cspan class=\"Yjhzub\"\u003ePlacement:\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e Engine valve lifter valley\u003cbr\u003e\u003cbr\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-ved=\"2ahUKEwjLuM2YwOKVAxWdKkQIHZwaD1sQi4wTegoIAggACAAIDRAJ\" data-hveid=\"CAIIAAgACA0QCQ\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cstrong\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cspan class=\"Yjhzub\"\u003eQuantity Required:\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e 4 bolts per engine (one for each of the four lifter guide trays)\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cul class=\"KsbFXc U6u95\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-ved=\"2ahUKEwjLuM2YwOKVAxWdKkQIHZwaD1sQ-7AUegoIAggACAAIDRAA\" data-hveid=\"CAIIAAgACA0QAA\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/ul\u003e\n\u003cdiv class=\"Fsg96\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-sfc-inited=\"2\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cstrong\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-ved=\"2ahUKEwjLuM2YwOKVAxWdKkQIHZwaD1sQi4wTegoIAggACAAIDxAA\" data-hveid=\"CAIIAAgACA8QAA\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\n\u003cdiv class=\"otQkpb\" aria-level=\"3\" role=\"heading\" data-animation-nesting=\"\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 20px; font-weight: 600; margin: 24px 0px 12px; text-decoration: none; border-bottom: 0px rgb(238, 240, 255);'\u003e\n\u003cstrong\u003eWhy it is used\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-ved=\"2ahUKEwjLuM2YwOKVAxWdKkQIHZwaD1sQi4wTegoIAggACAAIEBAB\" data-hveid=\"CAIIAAgACBAQAQ\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cstrong\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cspan class=\"Yjhzub\"\u003eMaintains Alignment:\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e It locks the plastic lifter trays into place so the hydraulic lifters do not twist or rotate in their bores, which would cause catastrophic camshaft and engine failure.\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e \u003cbr\u003e\u003cbr\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-ved=\"2ahUKEwjLuM2YwOKVAxWdKkQIHZwaD1sQi4wTegoIAggACAAIEBAH\" data-hveid=\"CAIIAAgACBAQBw\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cstrong\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cspan class=\"Yjhzub\"\u003eSafety Design:\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e The unthreaded shoulder under the bolt head acts as a stop to prevent over-tightening. This ensures the bolt clamps the tray properly without cracking or deforming the plastic guide.\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e \u003cbr\u003e\u003cbr\u003e\u003c!--TgQPHd||[]--\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-ved=\"2ahUKEwjLuM2YwOKVAxWdKkQIHZwaD1sQi4wTegoIAggACAAIEBAN\" data-hveid=\"CAIIAAgACBAQDQ\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cstrong\u003e\u003cspan class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-sfc-cb=\"\" data-complete=\"true\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(230, 232, 240);'\u003e\u003cspan class=\"Yjhzub\"\u003eApplication:\u003c!--TgQPHd||[]--\u003e\u003c\/span\u003e It is frequently used during engine rebuilds, camshaft swaps, or Displacement on Demand (DOD) deletion kits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/div\u003e","brand":"Kingman Speed®","offers":[{"title":"Default Title","offer_id":43035238695006,"sku":"KING-12551163","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0030\/5315\/8515\/files\/1_0ffa7fb0-a3fb-4208-b745-700e5ddf664b.jpg?v=1784593292","url":"https:\/\/10secondracing.com\/products\/kingman-speed%c2%ae-ls1-ls2-ls3-ls6-ls7-lifter-guide-trays-bolts-12551163","provider":"10 Second Racing","version":"1.0","type":"link"}