• For use with stock splined drive gears; for installation on 1999 Twin Cam motors you must purchase splined outer drive sprocket; S&S recommends that Andrews 4340 steel drive sprocket be used
• 509 grind cams bolt-in touring cams for 88″ engines with stock compression ration
• Great low and midrange torque
• 180 psi cranking compression; no need for compression releases



Reviews
There are no reviews yet.