MSRP is $6,195 for the oil-cooled engine. Black and Chrome color option shown above.

This street-ready performance engine features H-D?s finest Screamin? Eagle® components:

The Screamin? Eagle 131 engine combines the 4.5-inch stroke of the Milwaukee-Eight 114 engine with new 4.31-inch bore cylinders with a patent-protected design. 

Milwaukee-Eight Extreme Ported four-valve cylinder heads are CNC-ported and fitted with valves 1mm larger in diameter than the previous generation to enhance air/fuel flow and velocity and feature fully machined combustion chambers shaped to optimize combustion efficiency.

The engine is completed with a high-lift SE8-517 camshaft and high-performance cam bearing, high-compression (10.7:1) forged pistons, a 64mm throttle body and intake manifold, and high-flow (5.5-grams per second) fuel injectors. 
It?s a combination that produces 135 ft-lb of torque and 124 HP at the rear wheel when paired with Screamin’ Eagle® Street Cannon mufflers. 

Each Screamin? Eagle 131 engine is detailed with 131 Stage IV badging on the cylinder heads and timer cover. The engine is available in a choice of two finish treatments to match original motorcycle styling or a custom direction ? Black and Chrome or Black and Gloss Black. 

The Screamin? Eagle 131 engine is eligible for Custom Coverage Extended Limited Warranty to run concurrent with the remainder of the motorcycle?s factory 24-month manufacturer?s w...