{"title":"Check Valve","description":"","products":[{"product_id":"z-oil-catch-can-parts-check-valve","title":"Z Oil Catch Can Parts - Check Valve ( 0-100 psi )","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eADD W1 Patented Check Valve \u003cbr\u003e\u003c\/strong\u003e\u003cstrong\u003e(US D1.073.740S)\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eUpgrade your crankcase ventilation system with the ADD W1 Check Valve, designed to prevent backflow, stabilize pressure, and protect your engine under all driving conditions. This is a must-have upgrade for any oil catch can setup, especially for turbocharged or supercharged applications.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarning: \u003c\/strong\u003e\u003cbr\u003eIntended for air and oil vapor (PCV\/CCV) applications only.\u003cspan style=\"mso-spacerun: yes;\"\u003e  \u003cbr\u003e\u003c\/span\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eDo not use with fuel, liquid oil, or any fluid transfer systems.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eValve Options:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eStandard Check Valve (NA Only)\u003c\/strong\u003e\u003cbr\u003e• Designed for Naturally Aspirated (NA) engines\u003cbr\u003e• Basic one-way airflow control\u003cbr\u003e• Not compatible with turbo or supercharged systems\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePRO Check Valve (Recommended Upgrade)\u003c\/strong\u003e\u003cbr\u003e• REQUIRED for Turbo \u0026amp; Supercharged engines\u003cbr\u003e• Supports high boost applications (0–100 PSI)\u003cbr\u003e• Ideal for heavily modified performance builds\u003cbr\u003e• \u003cstrong\u003eAlso compatible with NA engines for improved performance and reliability\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003cbr\u003e• (1) Aluminum Check Valve (Standard or PRO)\u003cbr\u003e• (2) Worm Gear Clamps\u003cbr\u003e• Durable anodized aluminum construction\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy You Need a Check Valve:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003eWhen the factory PCV system is removed or modified, boost pressure can enter the crankcase, causing excessive pressure buildup and potential engine damage. The ADD W1 Check Valve prevents reverse airflow and protects your engine by maintaining proper pressure control.\u003cbr\u003e\u003cbr\u003eThis upgrade is highly recommended when installing aftermarket oil catch cans or modifying your PCV system.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Options:\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e✔ Catch Can Setup:\u003c\/strong\u003e\u003cbr\u003eInstall the check valve on the outlet side of the oil catch can (V1, V2, V3). The valve ensures airflow moves away from the catch can, preventing backflow into the PCV system.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003e✔ Vacuum Line Setup:\u003c\/strong\u003e\u003cbr\u003eCan be installed inline with vacuum or boost lines to prevent reverse airflow. The valve opens at just 0.25 PSI in the forward direction and blocks pressure in reverse.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003cbr\u003e• Works with ADD W1 catch cans (V1, V2, V3)\u003cbr\u003e• Compatible with other aftermarket catch cans\u003cbr\u003e• Ideal for turbocharged, supercharged, and modified engines\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePRO Tip:\u003c\/strong\u003e\u003cbr\u003eIf you are running boost, upgrading to the PRO Check Valve is not optional — it is required to prevent crankcase pressure issues and ensure long-term engine reliability.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"ADD W1","offers":[{"title":"Standard (Naturally Aspirated ONLY) \/ 9mm","offer_id":45875227295942,"sku":"ot-cv-9mm","price":13.99,"currency_code":"USD","in_stock":true},{"title":"Standard (Naturally Aspirated ONLY) \/ 15mm","offer_id":45875227361478,"sku":"ot-cv-15mm","price":13.99,"currency_code":"USD","in_stock":true},{"title":"PRO (Turbo \/ Supercharged \/Naturally Aspirated ) \/ 9mm","offer_id":45875227328710,"sku":"ot-cv-pro-9mm","price":47.99,"currency_code":"USD","in_stock":true},{"title":"PRO (Turbo \/ Supercharged \/Naturally Aspirated ) \/ 15mm","offer_id":45875227394246,"sku":"ot-cv-15mm-pro","price":48.99,"currency_code":"USD","in_stock":true},{"title":"PRO (Turbo \/ Supercharged \/Naturally Aspirated ) \/ 19mm","offer_id":45875227459782,"sku":"ot-cv-19mm-pro","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0069\/3655\/9734\/products\/Z-addw1-checkvalve-pro-005.png?v=1631497553"},{"product_id":"z-oil-catch-can-parts-check-valve-options","title":"ZZ Oil Catch Can Parts - Check Valve - bundle","description":"\u003cstrong\u003eCheck Valve can hold pressure up to\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e20 Psi ( Stander check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e100 psi ( High performance check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with catch can\u003cbr\u003eOne way check valve splice into the Catch Can outlet side for oil catch can (V1,V2,V3) , and flow away from the Catch Can. This is to prevent any back flow through the PCV system and the Catch Can itself.Recommend for all Forced Induction or Turbo applications. the check valve has directional arrow to ensure proper direction of installation (arrow points towards intake manifold source, points away from PCV valve).\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with vacuum line\u003cbr\u003eit prevents reverse flow in vacuum and boost lines. It takes just 0.25 Psi to open check valve in forward direction. In reverse direction\u003cbr data-contents=\"true\" data-offset-key=\"47cij-0-0\"\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e","brand":"ADD W1","offers":[{"title":"Default Title","offer_id":20102330712182,"sku":"ot-cv-stander","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0069\/3655\/9734\/products\/ot-cv-9mm-j-b_60bf2921-f088-4da8-a737-de31f61c3067.jpg?v=1539046402"},{"product_id":"z-oil-catch-can-parts-check-valve-9mm-options","title":"ZZ Oil Catch Can Parts - Check Valve 9mm-bundle-size","description":"\u003cstrong\u003eCheck Valve can hold pressure up to\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e20 Psi ( Stander check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e100 psi ( High performance check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with catch can\u003cbr\u003eOne way check valve splice into the Catch Can outlet side for oil catch can (V1,V2,V3) , and flow away from the Catch Can. This is to prevent any back flow through the PCV system and the Catch Can itself.Recommend for all Forced Induction or Turbo applications. the check valve has directional arrow to ensure proper direction of installation (arrow points towards intake manifold source, points away from PCV valve).\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with vacuum line\u003cbr\u003eit prevents reverse flow in vacuum and boost lines. It takes just 0.25 Psi to open check valve in forward direction. In reverse direction\u003cbr data-contents=\"true\" data-offset-key=\"47cij-0-0\"\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e","brand":"ADD W1","offers":[{"title":"Default Title","offer_id":20102400966774,"sku":"ot-cv-9mm","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0069\/3655\/9734\/products\/ot-cv-9mm-j-b_9a1ac5be-3250-49a8-9bc5-60d3e1e4e11b.jpg?v=1539046614"},{"product_id":"zz-oil-catch-can-parts-check-valve-9mm-pro-options","title":"ZZ Oil Catch Can Parts - Check Valve 9mm Pro-options","description":"\u003cstrong\u003eCheck Valve can hold pressure up to\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e20 Psi ( Stander check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e100 psi ( High performance check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with catch can\u003cbr\u003eOne way check valve splice into the Catch Can outlet side for oil catch can (V1,V2,V3) , and flow away from the Catch Can. This is to prevent any back flow through the PCV system and the Catch Can itself.Recommend for all Forced Induction or Turbo applications. the check valve has directional arrow to ensure proper direction of installation (arrow points towards intake manifold source, points away from PCV valve).\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with vacuum line\u003cbr\u003eit prevents reverse flow in vacuum and boost lines. It takes just 0.25 Psi to open check valve in forward direction. In reverse direction\u003cbr data-contents=\"true\" data-offset-key=\"47cij-0-0\"\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e","brand":"ADD W1","offers":[{"title":"Default Title","offer_id":40735292588230,"sku":"ot-cv-pro-9mm","price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0069\/3655\/9734\/products\/Z-addw1-checkvalve-pro-00.png?v=1631496717"},{"product_id":"zz-oil-catch-can-parts-check-valve-15mm-pro-options","title":"ZZ Oil Catch Can Parts - Check Valve 15mm Pro-options","description":"\u003cstrong\u003eCheck Valve can hold pressure up to\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e20 Psi ( Stander check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e100 psi ( High performance check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with catch can\u003cbr\u003eOne way check valve splice into the Catch Can outlet side for oil catch can (V1,V2,V3) , and flow away from the Catch Can. This is to prevent any back flow through the PCV system and the Catch Can itself.Recommend for all Forced Induction or Turbo applications. the check valve has directional arrow to ensure proper direction of installation (arrow points towards intake manifold source, points away from PCV valve).\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with vacuum line\u003cbr\u003eit prevents reverse flow in vacuum and boost lines. It takes just 0.25 Psi to open check valve in forward direction. In reverse direction\u003cbr data-contents=\"true\" data-offset-key=\"47cij-0-0\"\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e","brand":"ADD W1","offers":[{"title":"Default Title","offer_id":40735350784198,"sku":"ot-cv-pro-15mm","price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0069\/3655\/9734\/products\/Z-addw1-checkvalve-pro-00_169dd33c-5cff-47ee-aa58-27b325858712.png?v=1631496658"},{"product_id":"zz-oil-catch-can-parts-check-valve-19mm-pro-options","title":"ZZ Oil Catch Can Parts - Check Valve 19mm Pro-options","description":"\u003cstrong\u003eCheck Valve can hold pressure up to\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e20 Psi ( Stander check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e100 psi ( High performance check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with catch can\u003cbr\u003eOne way check valve splice into the Catch Can outlet side for oil catch can (V1,V2,V3) , and flow away from the Catch Can. This is to prevent any back flow through the PCV system and the Catch Can itself.Recommend for all Forced Induction or Turbo applications. the check valve has directional arrow to ensure proper direction of installation (arrow points towards intake manifold source, points away from PCV valve).\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with vacuum line\u003cbr\u003eit prevents reverse flow in vacuum and boost lines. It takes just 0.25 Psi to open check valve in forward direction. In reverse direction\u003cbr data-contents=\"true\" data-offset-key=\"47cij-0-0\"\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e","brand":"ADD W1","offers":[{"title":"Default Title","offer_id":40735352225990,"sku":"ot-cv-pro-19mm","price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0069\/3655\/9734\/products\/Z-addw1-checkvalve-pro-00_7185778d-9711-4852-973d-0922cbdfbd93.png?v=1631496690"},{"product_id":"zz-oil-catch-can-parts-check-valve-9mm-pro-bundle","title":"ZZ Oil Catch Can Parts - Check Valve Pro-bundle","description":"\u003cstrong\u003eCheck Valve can hold pressure up to\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e20 Psi ( Stander check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e100 psi ( High performance check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with catch can\u003cbr\u003eOne way check valve splice into the Catch Can outlet side for oil catch can (V1,V2,V3) , and flow away from the Catch Can. This is to prevent any back flow through the PCV system and the Catch Can itself.Recommend for all Forced Induction or Turbo applications. the check valve has directional arrow to ensure proper direction of installation (arrow points towards intake manifold source, points away from PCV valve).\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with vacuum line\u003cbr\u003eit prevents reverse flow in vacuum and boost lines. It takes just 0.25 Psi to open check valve in forward direction. In reverse direction\u003cbr data-contents=\"true\" data-offset-key=\"47cij-0-0\"\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e","brand":"ADD W1","offers":[{"title":"Default Title","offer_id":40735400067270,"sku":"ot-cv-pro","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0069\/3655\/9734\/products\/Z-addw1-checkvalve-pro-00_8f0d76c4-c42e-4257-9d4d-fa7058af7182.png?v=1631497234"},{"product_id":"zz-oil-catch-can-parts-check-valve-15mm-options","title":"ZZ Oil Catch Can Parts - Check Valve 15mm-options","description":"\u003cstrong\u003eCheck Valve can hold pressure up to\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e20 Psi ( Stander check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e100 psi ( High performance check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with catch can\u003cbr\u003eOne way check valve splice into the Catch Can outlet side for oil catch can (V1,V2,V3) , and flow away from the Catch Can. This is to prevent any back flow through the PCV system and the Catch Can itself.Recommend for all Forced Induction or Turbo applications. the check valve has directional arrow to ensure proper direction of installation (arrow points towards intake manifold source, points away from PCV valve).\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with vacuum line\u003cbr\u003eit prevents reverse flow in vacuum and boost lines. It takes just 0.25 Psi to open check valve in forward direction. In reverse direction\u003cbr data-contents=\"true\" data-offset-key=\"47cij-0-0\"\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e","brand":"ADD W1","offers":[{"title":"Default Title","offer_id":40735569412294,"sku":"ot-cv-15mm","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0069\/3655\/9734\/products\/ot-cv-9mm-j-b_dbbd06cb-27d6-4250-8b5c-6447ff1d6e80.jpg?v=1631498987"},{"product_id":"zz-oil-catch-can-parts-check-valve-9mm-options","title":"ZZ Oil Catch Can Parts - Check Valve 9mm-options","description":"\u003cstrong\u003eCheck Valve can hold pressure up to\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e20 Psi ( Stander check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e100 psi ( High performance check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with catch can\u003cbr\u003eOne way check valve splice into the Catch Can outlet side for oil catch can (V1,V2,V3) , and flow away from the Catch Can. This is to prevent any back flow through the PCV system and the Catch Can itself.Recommend for all Forced Induction or Turbo applications. the check valve has directional arrow to ensure proper direction of installation (arrow points towards intake manifold source, points away from PCV valve).\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with vacuum line\u003cbr\u003eit prevents reverse flow in vacuum and boost lines. It takes just 0.25 Psi to open check valve in forward direction. In reverse direction\u003cbr data-contents=\"true\" data-offset-key=\"47cij-0-0\"\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e","brand":"ADD W1","offers":[{"title":"Default Title","offer_id":40735571869894,"sku":"ot-cv-9mm","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0069\/3655\/9734\/products\/ot-cv-9mm-j-b_6507d35b-bf75-49f6-ba57-e42b113cbe61.jpg?v=1631499026"},{"product_id":"zz-oil-catch-can-parts-check-valve-9mm-pro-bundle-1","title":"ZZ Oil Catch Can Parts - Check Valve 9mm Pro-bundle-size","description":"\u003cstrong\u003eCheck Valve can hold pressure up to\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e20 Psi ( Stander check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e100 psi ( High performance check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with catch can\u003cbr\u003eOne way check valve splice into the Catch Can outlet side for oil catch can (V1,V2,V3) , and flow away from the Catch Can. This is to prevent any back flow through the PCV system and the Catch Can itself.Recommend for all Forced Induction or Turbo applications. the check valve has directional arrow to ensure proper direction of installation (arrow points towards intake manifold source, points away from PCV valve).\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with vacuum line\u003cbr\u003eit prevents reverse flow in vacuum and boost lines. It takes just 0.25 Psi to open check valve in forward direction. In reverse direction\u003cbr data-contents=\"true\" data-offset-key=\"47cij-0-0\"\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e","brand":"ADD W1","offers":[{"title":"Default Title","offer_id":40736763019462,"sku":"ot-cv-pro-9mm","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0069\/3655\/9734\/products\/Z-addw1-checkvalve-pro-00_b5679848-f927-4d9c-b552-4a82e95e7c3e.png?v=1631508347"},{"product_id":"zz-oil-catch-can-parts-check-valve-15mm-pro-bundle-size","title":"ZZ Oil Catch Can Parts - Check Valve 15mm Pro-bundle-size","description":"\u003cstrong\u003eCheck Valve can hold pressure up to\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e20 Psi ( Stander check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e100 psi ( High performance check valve )\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with catch can\u003cbr\u003eOne way check valve splice into the Catch Can outlet side for oil catch can (V1,V2,V3) , and flow away from the Catch Can. This is to prevent any back flow through the PCV system and the Catch Can itself.Recommend for all Forced Induction or Turbo applications. the check valve has directional arrow to ensure proper direction of installation (arrow points towards intake manifold source, points away from PCV valve).\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with vacuum line\u003cbr\u003eit prevents reverse flow in vacuum and boost lines. It takes just 0.25 Psi to open check valve in forward direction. 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This is to prevent any back flow through the PCV system and the Catch Can itself.Recommend for all Forced Induction or Turbo applications. the check valve has directional arrow to ensure proper direction of installation (arrow points towards intake manifold source, points away from PCV valve).\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with vacuum line\u003cbr\u003eit prevents reverse flow in vacuum and boost lines. It takes just 0.25 Psi to open check valve in forward direction. 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This is to prevent any back flow through the PCV system and the Catch Can itself.Recommend for all Forced Induction or Turbo applications. the check valve has directional arrow to ensure proper direction of installation (arrow points towards intake manifold source, points away from PCV valve).\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eOption with vacuum line\u003cbr\u003eit prevents reverse flow in vacuum and boost lines. It takes just 0.25 Psi to open check valve in forward direction. In reverse direction\u003cbr data-contents=\"true\" data-offset-key=\"47cij-0-0\"\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e\n\u003cdiv data-contents=\"true\"\u003e\u003c\/div\u003e","brand":"ADD W1","offers":[{"title":"Default Title","offer_id":40736776650950,"sku":"ot-cv-15mm","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0069\/3655\/9734\/products\/ot-cv-9mm-j-b_b15f79e5-a0cf-4f25-985a-5dff07bceb5e.jpg?v=1631508923"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0069\/3655\/9734\/collections\/web-banner-check_valve.png?v=1784967331","url":"https:\/\/www.addw1.com\/collections\/check-valve.oembed","provider":"ADD W1","version":"1.0","type":"link"}