Used to additionally check engine oil pressure with a liquid filled mechanical stainless gauge, with PSI face, while keeping your factory electronic gauge and or low oil pressure indicator light hooked up. Kit includes all needed fittings to hook up the engine. Line is 45" (114cm) long. Hooks up to existing oil psi ascending unit port, oil line routes up the right side frame rail, gauge fastens to the handlebars using zip-ties and spacers. Hooks up to the engine case via the pressure port to the oil filter, remove the factory 1/4 NPT plug and install the Feuling fittings.