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Cam Chest / Valve Train

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  1. Be the first to review this product

    As low as: $575.00

    Baisley Hi-Performance offers a roller tip rocker arm conversion for Harley® engines that dramatically reduces valve and guide wear. Baisley’s modifies the stock rocker arms by adding the roller tip to it. These modifications are performed to the original equipment rocker arms, which you would supply to us. Baisley’s can also change the rocker ratio and correct the rocker arm geometry for high lift applications (valve length modification and spacer plates required; call for specifics).
  2. Be the first to review this product

    As low as: $12.85

    S&S roller rocker arms are forged from 4140 steel, heat treated and shot-peened for additional strength and protection from long-term fatigue. These rocker arms ride on 3/4” wide bushings (stock is 1/2”), and feature a modified lubrication system for unrestricted roller oiling. Because the bushings are wider, we recommend new rocker shafts are used during installation if original shafts show wear in the bushing area. Available for Twin Cam® and EV engines in stock 1.62:1 or higher lift 1.725:1 ratio (modifications required), and Shovel engines in 1.5:1 ratio.
  3. Be the first to review this product

    As low as: $7.49

    JIMS® Roller Rocker arms are made from aerospace quality 4340 chrome moly steel, CNC machined and specially heat treated for durability. Critical areas of the arm are strengthened and material is removed where not needed for lighter weight. A roller tip made from bearing grade steel is incorporated to reduce valve and guide wear and 660 bronze bushings are used for stability, longevity and strength. Available for EV and Twin Cam® engines in stock 1.625:1, or higher 1.745:1 ratio for additional lift at the valve (modifications required). Shovel arms are 1.5:1 ratio. Uses stock or JIMS replacement rocker shafts (not included).
  4. Be the first to review this product

    As low as: $53.29

    Stock replacement forged rocker arms for Twin Cam® and Evolution® engines. Made in USA.
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    As low as: $7.50

    Got those loose rocker tickin’ blues? Tighten them up a bit with these shims. Factory clearance spec is .003”-.013” for end play; setting them up to the tighter side of the spec can reduce noise. Shims should be installed on the non-thrust side of the arm (left side on intake, right side on exhaust).
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