Description
If you’re serious about maximizing displacement and low-end torque in your big-twin Harley, the S&S CYCLE 106″ Stroker Kit delivers the cubic inches you need without requiring expensive case modifications. This 4-1/2″ stroke kit transforms 103″ stock motors into genuine performance machines, offering measurable gains in horsepower and torque across the entire powerband. Built to S&S’s exacting standards and assembled right here in the U.S.A., this is the foundation for a truly potent engine package.
- 106 cubic inches displacement
- 4-1/2″ stroke
- Three-piece assembled flywheels
- No case modifications required
- Compatible with 103″ stock motors
- Works with 95″ S&S kits
- Piston kit may be needed
- Stock or S&S cylinder heads
- Stock cylinders require 3.875″ bore
- Fuel-injection recalibration required
- Requires skilled technician installation
- Made in U.S.A.
- Verify all clearances before assembly






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