S&S, M8 flywheel assembly, 4-3/8" stroke

- Full-width crankpin rods for use with S&S pistons - With balancer sprocket installed - Comes fully assembled with flywheels, rods, rod bearings, sprocket shaft and pinion shaft gear - 4-3/8" stroke (107 or 124 ci) - Heat-treated 4140 material: harder and more than twice as strong as the original - Stronger mount eliminates the need to weld the pin - S&S high-strength rods are designed using Finite Element Analysis to eliminate weak points - Balanced for S&S Performance piston weight (1213 g) - Ideal for gear-driven camshafts - Consistent balance and precision machining - Capable of reaching higher RPMs for more available power


Specifications


Brand
S&S


Application
18-26 Softail; 17-26 Touring (excl. 23-26 121" Touring). With S&S pistons requiring 4-3/8" flywheels.


Packaging weight
19.5 kg


HS Code
84831021


Motorcycle family
SOFTAIL, TOURING, TRIKE


Original name
S&S, M8 4-3/8" stroke flywheel assembly