System differs from HT017 in that the adjustment is done by removing the available rear hull access cover plates. System includes all parts to install the system including all screws and bolts, complete instructions. Separate idler adjustment covers are available in the HT023 kit.
Excellent quality and easy installation with positive adjustment of either idler separately. Adjustment is through the rear plate idler adjustment cover. These covers are available in an operating version in metal, HT030.