The Black Edition S&S motors combine classic wrinkle black with high gloss covers for a subtle contrast and elegant look while still producing the power and reliability you've come to expect from S&S, which is legendary performance Durable powder coat finish, wrinkle black cases, cylinders and heads, and gloss black covers are all a part of this engine No fuel or ignition systems included, upgrade to your choice of performance intake, throttle body, and ignition Special machined heads to fit stock length manifolds (S&S manifold size 405) Super Stock T2 crankcase, which is stock looking, but stronger Thicker wall made of 356-t6 aircraft grade aluminum Three piece flywheel assemblies with the main shaft integrated into the flywheel forging, continuing to keep the stock diameter crankpin Stronger design due to superior materials, updated production techniques, and patent pending designs S&S high flow oil pump and cam cover S&S Easy Start gear drive 640 camshafts Stock 96" Twin Cam bolt pattern Forged piston 10.8:1 compression ratio 4-1/8" bore 4-5/8" stroke Requires oil line installation kit 725-169 S&S engines are shipped without oil 2 Year Warranty; Not legal for sale or use in California on any pollution controlled motor vehicles.