Ca Cycleworks ExactFit™ Timing Belt for Ducati 748, S4, S4R, ST4, ST4S (each)
Ducati Monster S4
Ducati Monster S4R (2003-2006) with desmoquattro engine *S4R/S4Rs with testastretta engine gets TB999
Ducati Sporttouring ST4
Ducati Sporttouring ST4S
Ducati Superbike 748 (2002-2003) *Some 2001 748 (see note below)
Note: Price is per belt. Sold in pairs.
Replaces OE 737.1010.1A, 737.4010.2B or 737.4010.3B. Use "n-Track Tuner" from your phone's app store to check belt tension frequency. This belt is the 93T belt introduced with the ST4 and Monster S4 models. The exhaust cam is "dropped" towards the cylinder, making the head asymmetric. The central rocker shaft cover on the head has 5 holes. (Facebook post)