{"product_id":"proform-degree-wheel-9-inch-precision-timing-wheel-high-contrast-scale-instructions","title":"ProForm Degree Wheel 9-inch Precision Timing Wheel — High-Contrast Scale \u0026 Instructions","description":"\u003cp\u003e\u003cstrong\u003eProForm 66791 Degree Wheel is a 9-inch precision timing wheel designed to find top dead center and verify camshaft timing on engines accurately.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhether you're rebuilding an engine, setting valve timing, or verifying ignition timing, the ProForm 66791 Degree Wheel gives a clear, durable reference for rotational measurements. The nine-inch diameter balances readability with compact handling, while printed graduations and supplied instructions make it practical for both hobbyists and professional mechanics.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the degree wheel help me locate top dead center?\u003c\/h3\u003e\n\u003cp\u003eThe wheel mounts to the crank or harmonic balancer and provides a large, easily read angular scale so you can rotate the crankshaft precisely to 0° (TDC) or any specified degree. This method improves accuracy compared with guesswork or relying solely on timing marks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAttach using the vehicle-appropriate fastener or adapter.\u003c\/li\u003e\n  \u003cli\u003eRotate crank slowly while watching the pointer or dial indicator.\u003c\/li\u003e\n  \u003cli\u003eConfirm 0° alignment with piston stop or dial indicator readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I use this to check and set camshaft timing?\u003c\/h3\u003e\n\u003cp\u003eYes — the wheel lets you measure crankshaft degrees and compare them to camshaft lobe positions or degree specs, helping you set cam timing during installation or verify timing after changes. It’s especially useful for degreeing performance cams or confirming timing belt\/chain alignment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLock crank at specified degree marks to read cam lobe position.\u003c\/li\u003e\n  \u003cli\u003eUse the wheel with a dial indicator for repeatable accuracy.\u003c\/li\u003e\n  \u003cli\u003eAdjust sprockets or chain position until specs match.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat features make this 9\" wheel practical in the shop?\u003c\/h3\u003e\n\u003cp\u003eThe ProForm 9\" wheel combines a readable scale with robust construction and clear instructions so you spend less time interpreting marks and more time working. Its size is large enough for visibility but compact enough for engine bays where space is limited.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNine-inch diameter for clear graduations at a glance.\u003c\/li\u003e\n  \u003cli\u003eHigh-contrast markings that resist shop grime and handling.\u003c\/li\u003e\n  \u003cli\u003eIncludes step-by-step guidance for common degreeing procedures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I use the included instructions to speed setup?\u003c\/h3\u003e\n\u003cp\u003eThe accompanying step-by-step directions outline mounting, zeroing, and reading the wheel so beginners can follow a repeatable process and experienced users can avoid common pitfalls. The instructions focus on safety and measurement consistency rather than engine-specific procedures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGuidance on safe mounting and securing of the wheel.\u003c\/li\u003e\n  \u003cli\u003eProcedures for finding TDC and verifying repeatability.\u003c\/li\u003e\n  \u003cli\u003eTips for combining wheel use with dial indicators and piston stops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The ProForm 66791 Degree Wheel is aimed at automotive technicians, performance tuners, engine builders, and DIY mechanics who need a reliable, easy-to-read tool for timing and degreeing tasks. It’s suited to anyone who wants to confirm top dead center, verify cam timing after installation or maintenance, or perform precise timing checks during engine assembly. If you work on engines regularly or are upgrading cam components and want repeatable angular measurements, this compact 9\" wheel offers a straightforward, shop-ready solution.\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: Is the ProForm 9\" degree wheel easy to mount?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It mounts to the crank or balancer with the correct adapter or fastener; instructions guide secure attachment and safe rotation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this wheel be used for performance cam degreeing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Absolutely. Use it with a dial indicator to measure lobe positions and adjust sprockets or chain to match cam specifications.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ProForm","offers":[{"title":"Default Title","offer_id":55167505236311,"sku":"B000CCFK88","price":44.51,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/proform-degree-wheel-front-face.jpg?v=1790387812","url":"https:\/\/britishgarage.co.uk\/products\/proform-degree-wheel-9-inch-precision-timing-wheel-high-contrast-scale-instructions","provider":"British Garage","version":"1.0","type":"link"}