Heavy Duty Platinum Full Synthetic 6 Speed Transmission Oil. 74w140 1 Quart Bottle (946ml). Fits Big Twin 2006up.

* 1 U.S. Quart / 946 ml.

* SAE 75w140 formulation is A.P.I. GL-5 rated

* Designed by Spectro in response to complaints from Harley owners about the great but noisy new 6-speed transmission, this full synthetic provides ultimate lubrication protection. Formulated to significantly reduce gear noise and provide easier, smoother shifting