{"product_id":"t-d-c-indicator","title":"T.D.C. Indicator","description":"This T.D.C. Indicator is needed when assembling any engine. It indicates top dead center (T.D.C.) position of a piston on any gas engine. Simply unscrew a spark plug and twist the rubber hose part of this tool into the spark plug hole. As you rotate the engine with a turning bar, the piston forces air through the whistle part of this tool. Once the whistling stops the engine is at T.D.C. Please call our office for availability.\u003cdiv style=\"display:none;\"\u003eST9710\u003c\/div\u003e","brand":"SIR TOOLS","offers":[{"title":"Default Title","offer_id":46757338022025,"sku":"RST9710","price":55.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0664\/8925\/4025\/files\/RST9710.jpg?v=1779116616","url":"https:\/\/www.autoatlanta.com\/products\/t-d-c-indicator","provider":"Automobile Atlanta","version":"1.0","type":"link"}