{"product_id":"mcs978103","title":"Jims Powerglide Hydraulic Tappet. Standard .731\" O.D – 1953–1984 Big Twin","description":"\u003ch2\u003eJims Powerglide Hydraulic Tappet. Standard .731\" O.D – 1953–1984 Big Twin\u003c\/h2\u003e\n\u003cp\u003eThe hydraulics used will work with both hydraulic and solid style camshafts. An excellent replacement hydraulic tappet for stock and high performance applications. Made to replace; and surpass 17920-53A (hydraulic unit) and 18522-53A (tappet). Note: Upgrading 66-84 Shovels to JIMS pushrods? Use the MCS 978053 JIMS Powerglide upgrade kit. JIMS Note: some 78-84 H-D® tappet blocks have oil drain hole location problems with some high lift cams.\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003e53-84 Big Twin (NU)\u003c\/p\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Jims\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e MOTOR PARTS \u0026gt; TAPPETS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit:\u003c\/strong\u003e EA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct code:\u003c\/strong\u003e 978103\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Jims","offers":[{"title":"Default Title","offer_id":57379193717123,"sku":"MCS978103","price":155.49,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/978103k_2911db70-dfa3-4bab-b015-5d9e37e954e8.jpg?v=1775646869","url":"https:\/\/hogparts.com\/products\/mcs978103","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}