106-5554 | 31/2" Bore Forged Stroker Piston Kits For Stock Heads Or S&S Performance Replacement Heads - STD Rear tire this stunning head wrap shines

this stunning head wrap shines a light on the lifestyle you love

featuring a bold rider silhouette inside a spoked wheel design on the front

with the iconic Bar & Shield® logo graphic bringing up the rear

Measures approximately 36"W x 4"H

Design: Showcases the evolution from ape to man to biker

106-5554 | 31/2" Bore Forged Stroker Piston Kits For Stock Heads Or S&S Performance Replacement Heads - STD Rear tire this stunning head wrap shinesS&S Cycle 106 5554 These forged 3 1 2" bore stroker pistons for 1984 '99 HD Evolution big twin engines are required for the S&S 89" stock bore stroker kits, which include S&S 4 5 8" stroke flywheels. Pistons are designed to be used with stock cylinder heads or with S&S Performance Replacement heads. Low silicon forged material and advanced S&S piston skirt design result in high strengh and low noise. 3 1 2" standard bore. Install Instructions Download