This 1Quart Marine Accusump kit is for pre-oiling and surge control on small engine applications. This Accusump is 12" long and 3-1/4" in diameter. All components are anodized aluminum, stainless, or brass. The Accusump kit comes with a liquid filled stainless steel pressure gauge, stainless steel mounting clamps, brass safety valve, E. P. C. valve system, on / off switch, wire and terminals and installation instructions.