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JIMS KIT FOR POWERGLIDE TAPPET UPGRADE
Category dedicated to JIMS Powerglide rocker arm kits, designed to enhance the durability and performance of rocker arms on Harley-Davidson engines. These sets include high-quality hardened steel rockers that replace the original cast iron units, reducing wear and the need for frequent adjustments.
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JIMSJIMS kit to upgrade Powerglide tappets
Kit for upgrading both lifters and pushrods on Shovelhead engines with "Powerglide" lifters ZPN 235725 or 235726. The…
About this category
Compatible with a wide range of classic and modern engines, including Evolution, Twin Cam and Milwaukee Eight, as well as Knucklehead, Panhead and Shovelhead engines, depending on the specific kit reference. Ideal for competition engines, high-mileage applications or those requiring greater durability in the valvetrain. Powerglide rockers offer a harder and more precise rolling surface, improving engine response and valve train stability. Find the specific kit for your Harley-Davidson model, whether Sportster, Dyna, Softail, Touring or Big Twin, and optimise the reliability of your valve system.