4-1/4in. Stroke Flywheel Assembly. Fits 80ci Big Twins from 1973-1984. H-D Softail 2018up Black * Dual Disc Front Brake

* Dual Disc Front Brake Master Cylinder

* With Battery Application

* Adjustable oil pressure regulator – adjust without removing plate from engine

* Maximum fender width of 12″

* Replaces OEM # 62600023

4-1/4in. Stroke Flywheel Assembly. Fits 80ci Big Twins from 1973-1984. H-D Softail 2018up Black * Dual Disc Front BrakeFeatures & Benefits: * Can also be used to upgrade your 1200cc Engine 1973 1980 to 1340cc 80ci Engine. Tech Tips: * Upgrading your 1200cc Engine 1973 1980 to 80ci 1340cc Engine requires the purchase of a 3 1 2" Bore Cylinder & Piston Kit # SS91 9023 & 1340cc 80ci Shovel cylinder base studs # CM 8857 8 * The 1340cc 80ci Cylinder base studs are slightly longer to compensate for the thicker cylinder base area of the 1340cc 80ci. Proudly Made in the USA