Dimensions are roughly 4” x 5”

(See 'Additional Information' tab below for fitment details

This improves the pick-up performance from idle and reduces fuel consumption

the Tri-Spark trigger rotor (replacing the auto advance unit and points cam)

412 Series 12" Shocks Chrome With Full Covers 1973-1986 Harley-Davidson Shovelheads Subcategory_Oil Pressure Gauges Dimensions are roughly 4” xThe 412 Series shocks are simply the best value shock on the market today. The 412s simple, durable design means they will be an improvement to your motorcycle's suspension performance for as long as you are riding it. The doublewall steel body construction with nitrogen charged, multi staged velocity sensitive valving gives you smooth, consistent damping. A five position cam style preload adjuster lets you dial in your ride whether you're a light