by EKHKHK56 » Sun Mar 24, 2024 5:38 am
So it is actually a 54” cylinder, for KH, KHK, 1954-57. Some 60 KHs were sold in ‘57 cleaning out the closet at H-D. How far can you bore them? “Till the skirts come off” said Marsh Runyon, Joe’s tuner 1956 & 57 AMA Champion. Marsh had a tracker XR that was 61.5” with Indian pistons and stock 4.56” stroke. Erik