VT#: 10-4021

124" Super Sidewinder Evolution long block with oil pump, rocker covers, and lifter blocks. 124" Super Sidewinder Evolution long block comes with a polished finish and features HVHP oil pump, compression releases, piston cooling oil jets, chrome die cast rocker covers, roller rocker arms, ignition system billet timing cover & billet lifter blocks. The ignition system features knock sensing technology that will prevent damage to the engine due to detonation or knock. Manufacturer's Statement of Origin is supplied.

FXST Softail® 1984-1999