79-99 XL Sportster rear  Swingarm: 58-86 4-sp Big Twin (Excl

heat treated and shot peened

Fits: > L77-84 Shovelhead

Complete set to fit left and right side of rocker boxes

3200-5700 RPM overall power increase

ALL BALLS PRESTOLITE STARTER 1.4KW Framlampa/Headlight 79-99 XL Sportster rear Swingarm:1. 4 kW high performance replacement for the stock 0. 8kW starter. All Balls starters are manufactured in the USA and Canada. Note: This starter produces 50% more torque and shaft speed. A 300 CCA AGM style battery is recommended, as are 4 gauge battery cables to reach the full potential of this high performance starter. Fits: > 67 80 XL; L66 82 FL; 80 83 FLT; 82 E83 FXR