The Saito FG 84-R3 and Saito FG 90R3 ring comes with special adapter nuts for mounting the ring to the engine and a pressure fitting for fuel tank pressure. Yes you can use fuel pressure off ring for gas applications.
Please download the manual and watch the installation video above on the tabs!
Ring dimensions: Saito FG 84R3 and Saito FG 90R3 Diameter: 8-1/4
Inner Diameter: 6.8125
The length of supplied stand-offs is 3/8 inch, with these stand-offs installed onto your engine the ring is 3/8 inch beyond the supplied stand-offs when mounted to the engine. The ring cannot be made to move forward from this position because it will interfere with the spark plug caps and spark plugs.