136" Big Bore Kit for M-Eight 107"/114"/117" Engines for Harley Davidson

Bolt-on kit, the largest possible cylinder diameter without the need to machine the crankcases
Includes MLS (multi-layer steel) cylinder head gaskets and cam cover plate.
4.625" S&S Stroker flywheel required and sold separately
Supports 107"/114"/117" to 136" offset
The original engine serial numbers are retained.
Maintains the original engine height.
Made in the USA
Wrinkled black finish with no raised cylindrical fins.
For 17-23 107”/114”/ 117” M-EIGHT
S&S CYCLE 910-0849