{"product_id":"vtt-b58-s58-head-port-block-off-kit-or-billet-check-valve-kit-vtt-occ-b58-head-port-block-off-kit-block","title":"VTT B58\/S58 Head Port Block-Off Kit or Billet check valve kit","description":"\u003ch3 class=\"fusion-responsive-typography-calculated\" data-lineheight=\"27px\" data-fontsize=\"18\" data-end=\"255\" data-start=\"200\"\u003e\n\u003cbr\u003eVTT B58\/S58 Head Port Block-Off \/ Built Check Valve Kit\u003c\/h3\u003e\n\u003cp data-end=\"647\" data-start=\"257\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"310\" data-start=\"261\"\u003eVTT B58\/S58 Head Port Block-Off \/ Check Valve Kit\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed to either\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"345\" data-start=\"333\"\u003eseal off\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"360\" data-start=\"349\"\u003econvert\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethe factory head ports used by the OEM low-side PCV system. These ports in the cylinder head utilize engine vacuum to evacuate crankcase gases — but in the process, can allow oil to enter the intake manifold, leading to\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"605\" data-start=\"581\"\u003evalve carbon buildup\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand other performance issues over time.\u003c\/p\u003e\n\u003cp data-end=\"695\" data-start=\"649\"\u003eThis kit provides two configuration options:\u003cstrong data-end=\"719\" data-start=\"698\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"815\" data-start=\"698\"\u003e\n\u003cstrong data-end=\"719\" data-start=\"698\"\u003eBlock-Off Version\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e– Completely seals the factory head ports to prevent oil intrusion and unwanted vacuum leaks.\u003c\/li\u003e\n\u003cli data-end=\"815\" data-start=\"698\"\u003e\n\u003cstrong style=\"font-size: 0.875rem;\" data-end=\"841\" data-start=\"818\"\u003eBillet Check Valve Version\u003c\/strong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e– Converts the head ports into a robust internal PCV system using precision-engineered check valves. These one-way valves allow vacuum to function as intended while\u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003cstrong style=\"font-size: 0.875rem;\" data-end=\"1034\" data-start=\"1007\"\u003eblocking boost pressure\u003c\/strong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003efrom entering the crankcase or charge tract.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1429\" data-start=\"1083\"\u003eBy bypassing the factory PCV valve in the valve cover, the VTT kit replaces it with an improved\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1210\" data-start=\"1179\"\u003ethree-valve internal system\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eintegrated directly into the cylinder head. This design improves reliability, simplifies plumbing, and ensures consistent crankcase pressure management — critical for both stock and high-performance B58\/S58 applications. This kit does NOT require any tapping, meaning no metal to get into the engine etc. You simply tap the plugs or check valves into place.\u003c\/p\u003e\n\u003ch4 class=\"fusion-responsive-typography-calculated\" data-lineheight=\"24px\" data-fontsize=\"16\" data-end=\"1448\" data-start=\"1431\"\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-end=\"1505\" data-start=\"1451\"\u003eEliminates oil draw-through into the intake manifold\u003c\/li\u003e\n\u003cli data-end=\"1505\" data-start=\"1451\"\u003ePrevents carbon buildup on intake valves\u003c\/li\u003e\n\u003cli data-end=\"1505\" data-start=\"1451\"\u003eConverts to an internal, head-integrated PCV system\u003c\/li\u003e\n\u003cli data-end=\"1505\" data-start=\"1451\"\u003eUtilizes precision-machined check valves for boost sealing\u003c\/li\u003e\n\u003cli data-end=\"1505\" data-start=\"1451\"\u003eFully reversible — Block-offs or valves can be removed if needed\u003c\/li\u003e\n\u003cli data-end=\"1505\" data-start=\"1451\"\u003eNo thread tapping is required. \u003c\/li\u003e\n\u003cli data-end=\"1505\" data-start=\"1451\"\u003eEasy install, by tapping the blocks or valve into place.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"fusion-responsive-typography-calculated\" data-lineheight=\"24px\" data-fontsize=\"16\" data-end=\"1801\" data-start=\"1785\"\u003eKit Options\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-end=\"1842\" data-start=\"1804\"\u003e(3) Head Port Block-Off Plugs\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1840\" data-start=\"1834\"\u003eor Check Valves\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"fusion-responsive-typography-calculated\" data-lineheight=\"24px\" data-fontsize=\"16\" data-end=\"1902\" data-start=\"1890\"\u003eFitment\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli data-end=\"1973\" data-start=\"1905\"\u003eAll\u003cspan\u003e \u003c\/span\u003e\u003cstrong data-end=\"1928\" data-start=\"1909\"\u003eBMW B58\/S58 engines\u003c\/strong\u003e, including S58, B58, B58TU, and B58TU2 variants\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"fusion-responsive-typography-calculated\" data-lineheight=\"24px\" data-fontsize=\"16\" data-end=\"1992\" data-start=\"1975\"\u003eKit Includes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e(3) Head Port Block-Off Plugs or Check Valves\u003c\/li\u003e\n\u003cli\u003e(1) M6 bolt to use as the install tool (simply thread the bolt into the plug, line it up, and tap them into the head. We suggest using a sealer or Lock-Tite)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"fusion-responsive-typography-calculated\" data-lineheight=\"24px\" data-fontsize=\"16\" data-end=\"2105\" data-start=\"2089\"\u003eDescription\u003c\/h4\u003e\n\u003cp data-end=\"2425\" data-start=\"2106\"\u003eThe VTT B58\/S58 Head Port Block-Off \/ Check Valve Kit is a precision-engineered solution to one of the S58\/ B58’s most overlooked problems — oil ingestion through the factory vacuum ports. Whether you’re running a stock engine or a high-boost build, this kit ensures your PCV system remains efficient, reliable, and leak-free.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Vargas Turbo Technologies","offers":[{"title":"Block Off Kit","offer_id":50080440418497,"sku":"VTT-OCC-B58-Head-Port-Block-Off-Kit-BLOCK","price":29.99,"currency_code":"USD","in_stock":true},{"title":"B58 Check Valve","offer_id":50080440451265,"sku":"VTT-OCC-B58-Head-Port-Block-Off-Kit-CHECK","price":69.99,"currency_code":"USD","in_stock":true},{"title":"S58 Check Valve","offer_id":50080440484033,"sku":"VTT-OCC-S58-Head-Port-Block-Off-Kit-CHECK","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0005\/7773\/2663\/files\/IMG_4646.jpg?v=1776850956","url":"https:\/\/www.urotuning.com\/products\/vtt-b58-s58-head-port-block-off-kit-or-billet-check-valve-kit-vtt-occ-b58-head-port-block-off-kit-block","provider":"UroTuning","version":"1.0","type":"link"}