Club Car:
1984 - 1991 341cc Gas
NGK BPM4A
OEM #1012522

Columbia / ParCar:
2-Cycle (Low Altitude)
NGK BP6HS

EZGO:
2-Cycle (Medium Altitude)
NGK BP5HS

1991 - Present Gas
NGK BP4ES

Harley Davidson:
2-Cycle (Low Altitude)
NGK BP6HS

Yamaha:
2-Cycle (Medium Altitude)
NGK BP5HS

G14 / G16
NG5 BPR2ES

1991 - Present Gas
NGK BR4ES

Past -1990 Gas
NGK B5ES