NGK sparkplug R7282-10, “short” (alg-10227)
The short version of the R7376 plugs if clearance is a problem. NOTE: NGK TRS1225 cap required.
Extreme Long Life Laser Iridium Plug, 14mm Thread, 19mm (3/4″) Reach, 13/16″ (20.6mm) Hex Size, Gasket Seat, Resistor, Solid Terminal, Iridium Tipped Fine Wire Center Electrode and Platinum Tipped Ground Electrode, .020″ (0.508mm) Gap.
NGK’s Standard Plugs are Constructed for Longer Life and Optimum Performance.