Now all Shovelhead riders, using JIMS Powerglide big axle tappets, (CC #s 20585 and 20586 ONLY) can upgrade to the latest design improvements. Use in stock or performance applications. Kit includes four new 3/8"-diameter pushrod seats to make the Powerglide tappets 5/8" shorter, and four new Pro-Lite Worksavers Shovelhead Pushrods. Jims OEM # 2400
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Fits Harley-Davidson Big Twin 66-84 Shovelhead