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Cam Chest / Valve Train

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  1. Be the first to review this product

    As low as: $14.50

    S&S’s Gear Drive kit for Twin Cam® engines replaces the factory cam chain drive with inner and outer gear sets.
  2. Be the first to review this product

    From: $139.95

    To: $739.85

    S&S hydraulic tappets have optimized plunger assemblies and metering devises to better withstand forces associated with high lift cams and heavy-duty valve springs. S&S lifters for EV engines incorporate a traditional axle and inner race within the roller assembly.
  3. Be the first to review this product

    As low as: $13.50

    S&S manufactures two styles of rocker covers for Evolution® style engines, billet and die-cast. While the billet version has the most room, both styles will allow the use of taller, larger than stock diameter springs. Billet models include billet rockers shaft supports; die-cast covers use a cast, one-piece rocker shaft support and an exclusive one-way valve for the breather port instead of the factory-style umbrella valve used in the billet models. Taller engines may require engine removal for installation in FXST models. S&S billet rocker covers are available in three finishes: show-quality chrome, polished, or unfinished. Die-cast covers are available in chrome finish only.
  4. Be the first to review this product

    As low as: $13.50

    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.
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    As low as: $239.95

    S&S manufactures tappet blocks for both stock style and big bore Evolution® Big Twin engines in original-style cast finishes. Picture shown is S&S EV Tappet Blocks in Polished Billet Finish.
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