{"product_id":"mcs978109","title":"Jims Powerglide Hydraulic Tappet. +.001\" O.s – 1991–1999 XL Sportster; Buell","description":"\u003ch2\u003eJims Powerglide Hydraulic Tappet. +.001\" O.S – 1991–1999 XL Sportster; Buell\u003c\/h2\u003e\n\u003cp\u003eClearanced up to about .700\" lift cams; still clearance with performance cams must be checked. Weight 143 grams each. Jims Powerglide™ tappets will give you a superior hydraulic function when compared with OEM style equipment; a billet steel body with hand-honed hydraulic unitcavity and an oil fed axle. To get full power; you must have zero valve lash and eliminate collapsing of the hydraulic unit as is found in the OEM unit; also called ''the shock absorber syndrome''. Failing to keep the valve open the full amount results in power loss. The Jims Powerglide tappets come as close to a solid tappet as possible; but are still able to compensate for heat expansion. They will even work well with solid style camshafts. Fits as an oversized improved replacement for OEM 18526-89. Note: Standard diameter is .9035\".\u003c\/p\u003e\n\u003ch2\u003eFitment\u003c\/h2\u003e\n\u003cp\u003e91-99 XL Sportster; Buell (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 978109\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePart Numbers\u003c\/h2\u003e\n\u003cp\u003eMCS Part Number: 978109\u003cbr\u003eManufacturer Part Number: 18526-PG1\u003c\/p\u003e","brand":"JIMS","offers":[{"title":"Default Title","offer_id":57379194044803,"sku":"MCS978109","price":178.66,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1329\/4265\/files\/978106k.jpg?v=1785975122","url":"https:\/\/hogparts.co.uk\/products\/mcs978109","provider":"Hogparts UK Ltd","version":"1.0","type":"link"}