Complete Engines & Rebuild Kits

Mk136 Black Edition Engine - Oil Cooled - 49 State - M8 Touring 310-1290

Mk136 Black Edition Engine - 550G Gear Drive - Oil Cooled - Race Only - M8 Touring 310-1289

Natural crankcases and stock-looking silver powder-coated cylindersS&S hydraulic valve train with roller rocker armsS&S Super Stock ignition and billet timerHas correct length sprocket shaft for 1970-up primary and transmissionIncludes oil filter mount...

Fits in stock chassis – no cutting or frame modificationsS&S B3 cylinder heads CNC machined with 2 bolt exhaust flanges3 Piece FlywheelsS&S TC3 oil pump and cam plateS&S 635 Easy Start Gear Drive CamsS&S 1.725:1 rocker arms for .674" total liftS&S...

Fits in stock chassis, no cutting or frame modifications necessaryS&S B3 cylinder heads CNC-machined with two-bolt exhaust flangesS&S super stock T2 crankcases with reed breather valve three-piece flywheelsS&S high-flow oil pump and cam coverS&S 635...

Fits in stock chassis, no cutting or frame modifications necessaryS&S B3 cylinder heads CNC-machined with two-bolt exhaust flangesS&S super stock T2 crankcases with reed breather valve three-piece flywheelsS&S high-flow oil pump and cam coverS&S 635...

Fits in stock chassis, no cutting or frame modifications necessaryS&S B3 cylinder heads CNC-machined with two-bolt exhaust flangesS&S super stock T2 crankcases with reed breather valve three-piece flywheelsS&S high-flow oil pump and cam coverS&S 635...

Fits in stock chassis, no cutting or frame modifications necessaryS&S B3 cylinder heads CNC-machined with two-bolt exhaust flangesS&S super stock T2 crankcases with reed breather valve three-piece flywheelsS&S high-flow oil pump and cam coverS&S 635...

Fits in stock chassis, no cutting or frame modifications necessaryS&S B3 cylinder heads CNC-machined with two-bolt exhaust flangesS&S super stock T2 crankcases with reed breather valve three-piece flywheelsS&S high-flow oil pump and cam coverS&S 635...

Fits 70-99 chassis with alternator-style primaryS&S Super E carburetorS&S hydraulic valve train and roller rockersS&S electronic ignitionIncludes oil filter mount for generator location3-5/8" bore x 4-1/2" stroke8.5:1 compression ratioNatural crankcase...

96" Displacement3 5/8" Bore4 5/8" StrokeS&S 520 CamshaftS&S Forged PistonsCompression Ratio 10.1:1S&S Super E carburetorSuper Stock? IgnitionBlack FinishClassic Teardrop Air CleanerS&S Forged Roller RockersS&S Chrome Rocker CoversV96R is close to stock...

For those who don’t want to go “big inch”, the S&S V80 engine provides a performance solutionWith the same displacement and physical dimensions as a stock Harley-Davidson® Evolution® engine, the V80 fits in a stock frame just like a stock engine, but...