{"product_id":"mr-gasket-power-valve-block-off-plug-1510","title":"Mr. Gasket Power Valve Block-Off Plug - 1510","description":"Why use a power valve block off? If you have a dedicated race engine that never sees part throttle, but goes right from idle to full throttle you may see more consistency. The block off screws right in place of the existing power valve. Includes gasket.\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCan offer more consistency on racing engines\u003c\/li\u003e\n\u003cli\u003eScrews right in place of Holley power valve\u003c\/li\u003e\n\u003cli\u003eGasket included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details:\u003c\/strong\u003e For Model 2300, Model 4150, Model 4160, Model 4500 Holley Carburetors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Carburetor Power Valve Block-Off Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Power Valve Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.05\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Notes:\u003c\/h3\u003e\nNote: Main jetting will need to be increased 6 to 8 sizes when plug is used. Not recommended in street or street\/strip applications that see any part throttle at all.","brand":"Mr. Gasket","offers":[{"title":"Default Title","offer_id":49723170521326,"sku":"MRG-1510","price":17.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/9110\/6798\/files\/2166d890274291243b047e9484015bcdef66a33b.jpg?v=1791649546","url":"https:\/\/elmosspeedshop.com\/products\/mr-gasket-power-valve-block-off-plug-1510","provider":"Elmo's Speed Shop","version":"1.0","type":"link"}