SAAS Muscle Series 3 - HZ GTS Dash Gauge Adaptor KitSAAS MUSCLE SERIES 3 HZ GTS RETRO GAUGE ADAPTOR KIT Although the Muscle series kit 3 will fit the series 1 and 2 adaptors we have a seperate listing as they don't require the bracket system we supply with the 1,2 kits. This is due to the diagonal mounting system now being implemented on the 52mm gauges as well as the large guages. This gives you the full retro gauge adaptor kit to suit the original and aftermarket GTS Dash Facia. To suit small Gauges