{"product_id":"inline-4-air-engine-fully-assembled","title":"Inline 4 Air Engine (Unassembled)","description":"\u003cp\u003e4 Cylinder Inline Air Engine Designed by Me. 25mm Bore 19mm Stroke. Powered by Compressed Air. This is NOT the Assembled Engine, Just The Printed Parts For Assembly. This is For Anyone Without a 3D Printer.\u003c\/p\u003e","brand":"Paper Engine Kits","offers":[{"title":"Gray","offer_id":47078984122589,"sku":null,"price":40.0,"currency_code":"USD","in_stock":true},{"title":"Black","offer_id":47078987661533,"sku":null,"price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/4424\/9053\/files\/rn-image_picker_lib_temp_ebb5cb5d-8b77-431f-8024-b0cb9abaca42.jpg?v=1764766573","url":"https:\/\/paperenginekits.com\/products\/inline-4-air-engine-fully-assembled","provider":"Paper Engine Kits","version":"1.0","type":"link"}