S&S, M8 4-5/8" stroker flywheel assembly

Without balancer gear. With full wristpin width connecting rods for use with S&S pistons. Comes fully assembled with flywheels, connecting rods, connecting rod bearings, pinion and sprocket shaft.
- Heat Treated 4140 Material is harder & more than twice as strong as stock
- Stronger assembly eliminates need to weld crankpin
- S&S High Strength Connecting Rods are designed with Finite Element Analysis to eliminate weak spots
- Full width wristpin connecting rods (requires S&S Performance Pistons)
- Balanced for S&S Performance piston weight (1213g)
- Perfect for Gear Drive Cams
- Consistent balance & precision machining
- Capable of higher RPM for more available power!

Note: Required for installation of 923194 / 923193 131" (4.250" bore) and S&S 994438/994437 136" (4.320" bore) big bore cylinder and piston kits.
Note: Balancer gear is not included. See 923271 for identical flywheel assembly with balancer gear installed.