{"product_id":"ss-330-0718","title":"S\u0026S Cycle Precision Tappets — Set of 4 — M8 \u0026 Twin Cam","description":"\u003cp\u003eS\u0026amp;S's Precision Tappets replaced both their standard and premium tappet lines: each one is hand assembled to exacting tolerances for quiet operation and rapid pump-up. A set of four.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFITMENT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eS\u0026amp;S fitment: 1999–2017 Big Twin, 2000-up Sportster, and 2017-up M8 models. In our 2014+ Touring catalog: all 2014–2016 Twin Cam Touring and 2017-up M8 Touring models.\u003c\/p\u003e\n\u003cp\u003eNot sure it fits your bike? Email info@norcalbaggersupply.com — email is the fastest way to reach us — and we'll confirm before you order. You can also call 916-626-9030 (Mon–Fri, 9 AM–5 PM PT).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer: S\u0026amp;S Cycle — part number 330-0718\u003c\/li\u003e\n\u003cli\u003eSet of 4 hydraulic tappets\u003c\/li\u003e\n\u003cli\u003eReduced valvetrain noise from start-up to shut-down (S\u0026amp;S)\u003c\/li\u003e\n\u003cli\u003eClose tolerances for low leak-down rates\u003c\/li\u003e\n\u003cli\u003eFast pump-up and superior high-RPM performance (S\u0026amp;S)\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eINSTALLATION\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTappets are replaced with the cam chest open (M8) or through the tappet blocks (Twin Cam). Follow the S\u0026amp;S instruction sheet included in the box and your Harley-Davidson service manual. S\u0026amp;S's official cam chest install video covers tappet installation and is embedded below. Professional installation is recommended; email us for an install-partner referral.\u003cbr\u003e\u003cbr\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/3ofzUEjJoJw\" title=\"S\u0026amp;S Cycle — How to Install: Power Package (Part 2) Cam Chest Kit\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\" style=\"max-width:100%\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQUESTIONS RIDERS ASK\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color:#d4af37\"\u003eHow many come in a set?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:#ffffff\"\u003eFour — one full set for a Big Twin or M8 engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"color:#d4af37\"\u003eWhy do tappets matter on a cam swap?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan style=\"color:#ffffff\"\u003eWorn tappets bleed down and get noisy, and they can't follow an aggressive lobe. Precision Tappets' close tolerances hold pressure for low leak-down, fast pump-up, and quiet running — they're the tappets S\u0026amp;S puts in its own cam chest kits.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"judgeme-widget\" data-product-handle=\"ss-330-0718\"\u003e\u003c\/div\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":68036618846310,"sku":"330-0718","price":279.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0750\/6133\/0022\/files\/330-0718.jpg?v=1794429808","url":"https:\/\/norcalbaggersupply.com\/products\/ss-330-0718","provider":"NorCal Bagger Supply","version":"1.0","type":"link"}