Note: Special Order Product only. Please contact your MCS sales representative to orderNatural finish with black painted cylinders. Engine comes with a cast cam cover; forged 3-5/8 big bore pistons and complete with a Super E carburetor kit; an S&S Super Stock ignition system and 3 5/8" x 4-1/2" stroke. This Alternator/Generator engine; is basically an Early Shovel engine on the right side; with all generator and timer drive gears. Engines come with a special reverse ignition timer drive gear so they can be used with late; 70-99 style; ignition systems since these drive in the opposite direction. With its late Shovel left side crankcase the more modern and dependable 70-84 style alternator charging system can be used. If a generator is not used it is an excellent place to install a spin-on oil filter. Another advantage; all 70-up 4-speed; 5 or even 6-speed transmissions; can be run. Note: All S&S Shovelhead engines contain an Evolution style camshaft and tappets.