{"product_id":"lizenoz-10mm-valve-adjustment-tool-for-slotted-studs-jam-nut-locking-tool-with-feeler-gauge-hardened-cr-v","title":"lizenoz 10mm Valve Adjustment Tool for Slotted Studs — Jam Nut Locking Tool with Feeler Gauge, Hardened Cr-V","description":"\u003cp\u003e\u003cstrong\u003eThe lizenoz 10mm Valve Adjustment Tool is a combined screwdriver-and-socket tool that lets you lock the adjustment screw while tightening the 10mm jam nut, making valve lash adjustments faster and more precise on many Japanese engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your engine is ticking, running rough, or using more fuel, valve lash might be the cause. This single-piece tool was engineered to simplify that job on vehicles and motorcycles that use 10mm jam nuts with slotted adjustment studs — common on many Honda, Toyota, and Nissan engines. Built from hardened chrome vanadium steel, it blends the holding action of a screwdriver with the torque of a socket so you can set clearances accurately without the screw spinning as you tighten the lock nut.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this tool keep the adjustment screw from turning?\u003c\/h3\u003e\n\u003cp\u003eThe lizenoz tool integrates a central screwdriver shaft inside an outer 10mm socket. The screwdriver holds the slotted adjustment screw steady while the socket side tightens the jam nut independently, preventing the screw from rotating and altering the gap.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIntegrated screwdriver shaft holds the set screw during tightening\u003c\/li\u003e\n  \u003cli\u003eOuter 10mm socket applies torque to the jam nut only\u003c\/li\u003e\n  \u003cli\u003eSide window offers visual confirmation the blade remains in place\u003c\/li\u003e\n  \u003cli\u003e7.5-inch length gives leverage for stubborn nuts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich engines and vehicles will this fit?\u003c\/h3\u003e\n\u003cp\u003eThis tool is intended for valve adjusting studs that use a 10mm jam nut and a slotted set screw — a configuration frequently found on Japanese passenger cars and motorcycles. Always check your service manual to verify jam nut size before use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for 10mm jam nuts with slotted studs\u003c\/li\u003e\n  \u003cli\u003eCompatible with many Honda, Toyota, Nissan engines and similar Japanese models\u003c\/li\u003e\n  \u003cli\u003eWorks for cars and motorcycles with the same valve adjustment style\u003c\/li\u003e\n  \u003cli\u003eNot suitable for non-slotted or different-size jam nuts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and features make it durable and easy to use?\u003c\/h3\u003e\n\u003cp\u003eConstructed from heat-treated chrome vanadium steel, the tool resists torque-related wear and corrosion. The handle is knurled for a secure grip when your hands are greasy, and the visible cutout helps you monitor blade position during tightening.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHardened Cr-V steel construction for strength and longevity\u003c\/li\u003e\n  \u003cli\u003eCorrosion-resistant finish to endure workshop environments\u003c\/li\u003e\n  \u003cli\u003eKnurled anti-slip grip for better control under load\u003c\/li\u003e\n  \u003cli\u003eWindow cutout to visually confirm screwdriver alignment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDoes it include accessories and how do I use the feeler gauge?\u003c\/h3\u003e\n\u003cp\u003eThe package includes the single lizenoz valve adjustment tool plus a precision feeler gauge set so you can measure and set valve clearance correctly. Use the feeler gauge to establish the target gap, hold the adjustment screw with the tool, then tighten the jam nut while watching through the window to ensure the screw didn’t move.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComes with a precision feeler gauge for gap measurement\u003c\/li\u003e\n  \u003cli\u003eMeasure clearance with gauge, lock screw with tool, tighten nut\u003c\/li\u003e\n  \u003cli\u003eVisual window confirms no unwanted movement during torqueing\u003c\/li\u003e\n  \u003cli\u003eSaves time versus juggling separate screwdriver and wrench\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? DIY mechanics, professional technicians, and motorcycle owners who service Honda, Toyota, Nissan, and other Japanese engines with 10mm slotted valve adjustments will find this tool valuable. It’s especially helpful if you want to reduce setup time and avoid rework caused by the adjustment screw turning as you tighten the jam nut. Before purchasing, double-check your engine’s service manual to confirm a 10mm jam nut and slotted adjustment screw are used. The lizenoz tool is a practical, workshop-ready answer for anyone aiming for accurate valve lash adjustments with minimal fuss.\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: Will this work on my Honda or Toyota engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If your valve adjustment uses a 10mm jam nut with a slotted adjustment screw, yes. Check your service manual to confirm jam nut size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the tool include a feeler gauge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — a precision feeler gauge set is included so you can measure and set valve clearance accurately.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"lizenoz","offers":[{"title":"Default Title","offer_id":55163411792215,"sku":"B0DPHSPQRP","price":33.97,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/lizenoz-front-view-tool.jpg?v=1790344161","url":"https:\/\/britishgarage.co.uk\/products\/lizenoz-10mm-valve-adjustment-tool-for-slotted-studs-jam-nut-locking-tool-with-feeler-gauge-hardened-cr-v","provider":"British Garage","version":"1.0","type":"link"}