S&S, forged 3-5/8" big bore piston kit. Std - 36-84 88", 93", 93"HC, 96", 98" and 103" B.T. with appropriate cylinders and flywheel stroke (NU) 949080 In foamet (aluminum based foam)

In foamet (aluminum based foam) with silicone bead gaskets

touring and off road models

For in-vehicle charging

Fills the gap between front & rear panels that cover the triple trees

62mm wide x 21mm high x 25mm deep

S&S, forged 3-5/8" big bore piston kit. Std - 36-84 88", 93", 93"HC, 96", 98" and 103" B.T. with appropriate cylinders and flywheel stroke (NU) 949080 In foamet (aluminum based foam)Fits all 3 5 8" big bore 36 84 B. T. models with 4 1 4" to 5" stroke flywheels with the correct flywheel diameter of 8 1 2. Note that 4 3 4" & 5" strokes require 8 1 4 small diameter flywheels, all in combination with the appropriate cylinder length like mentioned below. Advanced alloy and piston skirt profile is used for low noise and long engine life. Piston dome volume 30cc, piston deck height 1. 260". 88" (4 1 4" stroke, 8 1 2" flywheel dia., 8.