128" BIG BORE KITS FOR M-EIGHT 114"/117" ENGINES FOR HARLEY-DAVIDSON

S&S Cycle 128“Big Bore Kits for M-eight 114”/117“Engines for Harley-Davidson Cylinder Kt 128”M8 Grnt Bolt-on Kit，the largest Cylinder Bore possible without requiring machining of the crankcases

41/4“Bore，41/2”Stroke

11:1 Forged Pistons

All necessary gaskets and hardware required for instalation included

Made in the United States.

128 "big north package of m-eight 114" 117 "engineer"