{"product_id":"proform-air-hold-adapter-set-14mm-and-18mm-sizes-w-1-4-npt-female-thread","title":"Air Hold Adapter Set, 14mm \u0026 18mm Sizes w\/ 1\/4\" NPT Female Thread","description":"\u003ch3\u003e\u003cstrong\u003eABOUT THIS PRODUCT\u003c\/strong\u003e\u003c\/h3\u003e\nNow that you have the PROFORM Valve Spring Tester you'll need a set of PROFORM Air Hold Adapters to remove your springs with the heads on the engine. It's a simple 3-step process: screw the air hold adapter into your spark plug hole, attach air fitting, and then an air hose. The air pressure will hold up your valves while you get to work!\u003cbr\u003e\u003cbr\u003e\u003cb\u003eProduct Features:\u003c\/b\u003e\u003cul\u003e\n\u003cli\u003eEngine Cylinder Head Air Hold Adapter\u003c\/li\u003e\n\u003cli\u003eBlack Finish\u003c\/li\u003e\n\u003cli\u003eHigh-Quality Material\u003c\/li\u003e\n\u003cli\u003eSupports Valve Spring Removal\u003c\/li\u003e\n\u003cli\u003eFits 14mm and 18mm Spark Plug Holes\u003c\/li\u003e\n\u003cli\u003eHolds Valves with Air Pressure\u003c\/li\u003e\n\u003cli\u003e1\/4in NPT Female Thread\u003c\/li\u003e\n\u003cli\u003e100% New Components; Not Re-man or Refurbished\u003c\/li\u003e\n\u003cli\u003eAir Hose Compatible\u003c\/li\u003e\n\u003cli\u003eIncludes 14mm and 18mm Adapters\u003c\/li\u003e\n\u003cli\u003ePROFORM Parts Brand Product\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Proform (500)","offers":[{"title":"Default Title","offer_id":52766929649940,"sku":"67400","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0699\/4214\/9396\/files\/10286570_prf_67400_pri_larg.jpg?v=1783467770","url":"https:\/\/districtmailing.com\/products\/proform-air-hold-adapter-set-14mm-and-18mm-sizes-w-1-4-npt-female-thread","provider":"District Mailing","version":"1.0","type":"link"}