Factory tender springs just don’t cut it and most of them are already sagging out on the showroom floor. Adding the ZBROZ Tender Spring Kit is one way to dramatically improve your Pro XP’s ride quality while at the same time increasing lift by up 1” - 2”.
The dial indicator threads into the spark plug hole to provide accurate measurement of piston travel and flywheel timing marks. A 14mm spark plug hole adapter is included with the gauge.