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Darkhorse Motor Company® leaders in the industry of Harley-Davidson® performance & purpose built crankshafts & crankcase assemblies know th...

Darkhorse Motor Company® leaders in the industry of Harley-Davidson® performance & purpose built crankshafts & crankcase assemblies know th...

Darkhorse Universal TIR Toolkit DH-ROT-K  Pat. Pending May 2024 As leaders in the industry of Harley-Davidson performance & purpose built...

Darkhorse Motor Company – Sprocket Shaft Spacers Upgrade your drivetrain with precision-engineered Sprocket Shaft Spacers from Darkhorse Motor Comp...

Features OEM quality cast aluminum alloy construction Some fitments feature pistons with a coating that extends piston life, reduces friction and a...

Features OEM quality cast aluminum alloy construction Some fitments feature pistons with a coating that extends piston life, reduces friction and a...

Features OEM quality cast aluminum alloy construction Some fitments feature pistons with a coating that extends piston life, reduces friction and a...

Features OEM quality cast aluminum alloy construction Some fitments feature pistons with a coating that extends piston life, reduces friction and a...

Features Heavy-duty replacements, perfect for stock motors Meets or exceeds OEM specifications Comes completely fitted and ready to install Comp...

Features Heavy-duty replacements, perfect for stock motors Meets or exceeds OEM specifications Comes completely fitted and ready to install Comp...

Features Contains shims, spacers and seals to rebuild all four rocker arm shafts found in 66-84 Shovelhead engines Rocker arm won’t come out of ad...

Features Rocker arm shaft for Harley Davidson models Replacement Part for OEM Number(s) 1761166B Specs Product Name Shaft Type Rocker Arm ...

Features Contains shims, spacers and seals to rebuild all four rocker arm shafts found in '66-'84 Shovelhead engines Rocker arm won't come out of ...

Features Replacement hardware for primary cover only Made in the USA Specs Product Name Bolt Type Primary Cover Only Style Smooth / Socket...

Features Precision-calibrated replacement oil pressure switch features heavy contacts, brass pressure ferrules, thermo-plastic insulators and br...

Features OEM style rocker arms Replacement Part for OEM Number(s) 1737566A Specs Product Name Rocker Arm Application Intake / Exhaus...

Features High-quality, chrome one-piece design Bolts not included with mount Replacement Part for OEM Number(s) 6901377A Specs Product Name ...

Features Contains socket-head bolts for cam, primary, generator, sprocket, rocker box, top motor mount, lifter base, point or magneto cover Made i...

Features Replacement hardware for cam, primary, inspection and derby cover Made in the USA Specs Product Name Bolt Type Primary Cover / Derb...

Features Contains socket-head bolts for cam, primary, generator, sprocket, rocker box, top motor mount, lifter base, point or magneto cover Made i...

Features Contains socket-head bolts for cam, primary, generator, sprocket, rocker box, top motor mount, lifter base, point or magneto cover Made i...

Features Replacement hardware Made in the USA Specs Product Name Bolt Type Generator Mount Style Socket-Head / Knurled Base Color Silver...

Features Original-style replacement for XL models; includes everything needed Notes Each motor requires four tube assemblies. Specs Product ...

Features OEM style rocker arms Replacement Part for OEM Number(s) 1736066A Specs Product Name Rocker Arm Application Exhaust / Intak...