2023 Harley-Davidson Fast Johnnie Street Glide ST With 135 Crate Engine Dyno Run
Featuring Screamin’ Eagle Extreme CNC-ported cylinder heads, an SE8-517 high-lift cam, new high-compression forged pistons, a high-performance cam bearing, high-performance tappets, patent-protected 4.31-inch steel sleeve cylinders, a new 4.625-inch flywheel, new 68mm throttle body, CNC-machined 68mm intake manifold, new 6.2 grams/second fuel injectors, and Screamin’ Eagle Pro Billet Cam Plate and Oil Pump, the 135ci crate engine will be the most powerful street-legal H-D we have tested to date.
