{"product_id":"labwork-intake-and-exhaust-valves-for-gm-ecotec-2-0-2-2-2-4l-direct-fit-oem-dimensions-restores-compression","title":"labwork Intake and Exhaust Valves for GM ECOTEC 2.0\/2.2\/2.4L — Direct-Fit OEM Dimensions Restores Compression","description":"\u003cstrong\u003elabwork intake and air-out (exhaust) valves are direct-fit replacement valves engineered for GM 2.0, 2.2, and 2.4L ECOTEC engines to restore valve seating and reliable operation.\u003c\/strong\u003e\n\n\u003cp\u003eIf your ECOTEC engine is showing reduced compression, rough idle, or uneven performance, worn or bent valves are a common cause. These labwork replacement valves are manufactured to match OEM critical dimensions so they fit into the cylinder head like the originals. Before ordering, verify your vehicle’s compatibility and compare old parts to the listed measurements and part numbers.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these labwork valves restore engine performance?\u003c\/h3\u003e\n\u003cp\u003eReplacing damaged intake and exhaust valves helps re-establish proper cylinder sealing, which improves compression and combustion efficiency. Correct valve geometry also maintains correct valve lift and timing interaction, reducing misfires and idle instability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces worn valve faces that allow compression loss\u003c\/li\u003e\n  \u003cli\u003eRestores proper contact with valve seats for improved sealing\u003c\/li\u003e\n  \u003cli\u003eReturns consistent valve lift to match cam profiles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat sizes and part numbers should I expect for fitment confirmation?\u003c\/h3\u003e\n\u003cp\u003eThe labwork valves come with precise dimensions and OEM-style part references so you can confirm fit before purchase. Compare these numbers with your old parts or service manual to ensure direct compatibility with GM ECOTEC heads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIntake valve part number: 12622329\u003c\/li\u003e\n  \u003cli\u003eExhaust (air-out) valve part number: 12615936\u003c\/li\u003e\n  \u003cli\u003eIntake valve size: head 35.1mm × stem 6mm × length 102.2mm\u003c\/li\u003e\n  \u003cli\u003eExhaust valve size: head 30.1mm × stem 6mm × length 100.9mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich symptoms indicate the valves need replacing?\u003c\/h3\u003e\n\u003cp\u003eValve issues often present as performance and drivability symptoms rather than obvious mechanical failure. If you notice these signs, the valves — or their seats — may be compromised and require inspection or replacement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLoss of power or poor acceleration under load\u003c\/li\u003e\n  \u003cli\u003eHard starting, rough idle, or engine misfires\u003c\/li\u003e\n  \u003cli\u003eLow or uneven cylinder compression readings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before ordering labwork replacement valves?\u003c\/h3\u003e\n\u003cp\u003eTo prevent incorrect purchases, always match part numbers and physical dimensions to the components removed from the head. Also confirm the valves’ stem diameter and length to ensure valve guides and springs remain compatible.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompare provided part numbers (12622329 and 12615936) with your old valves\u003c\/li\u003e\n  \u003cli\u003eVerify head diameter, stem size (6mm), and overall length measurements\u003c\/li\u003e\n  \u003cli\u003eInspect valve seats and guides for damage that might require machining\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: These labwork intake and air-out valves are aimed at DIY mechanics, machine shops, and professional technicians working on GM ECOTEC 2.0L, 2.2L, and 2.4L engines who need accurate, OEM-dimensioned replacement valvetrain components. They are suitable for head rebuilds, valve reseating jobs, and any repair where original valve geometry and fit are required. If you lack the tools for head machining or valve seat work, pair these valves with professional valve service to ensure correct seal and long-term reliability.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these labwork valves compatible with all GM ECOTEC 2.0\/2.2\/2.4 engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit many GM ECOTEC 2.0, 2.2, and 2.4L heads, but always confirm part numbers and dimensions against your old valves.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need to resurface valve seats when installing these valves?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If seats are worn or pitted, machining or reseating is recommended for proper sealing before installing new valves.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"labwork","offers":[{"title":"Default Title","offer_id":67591371653305,"sku":"B07MM6JPYP","price":70.88,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/labwork-front-valve-pair-packaging.jpg?v=1790549025","url":"https:\/\/redleafauto.ca\/products\/labwork-intake-and-exhaust-valves-for-gm-ecotec-2-0-2-2-2-4l-direct-fit-oem-dimensions-restores-compression","provider":"Redleaf Auto","version":"1.0","type":"link"}