Adjustable Timing Outer Crank Sprocket - 17 Tooth. Fits Twin Cam 2007-17 & Milwaukee-Eight 2017up.

Features & Benefits:-

* This gear will change your timing from +4° for more torque, to -4° for less compression and for easier starting.

* Made in USA

Fitment:-

Twin Cam 2007 - 2017 Twin Cam engines, including 2006 Dyna & Milwaukee Eight engines.

MFR PART No: AP-216323

ROLLIES PART No: AP-216323