NGK - 4323 Spark Plug Set BR6FS
Includes 8 Plugs
NGK-BR6FS Direct Cross To MR43T
260 - 270 HP Non Vortec - 454 Standard
Fits Most GM Engines Up To About 1997
Fits Most Pre-Vortec Engines
Not for Indmar LT1 engines order Item # NGK-2238-TR5
Premium NGK spark plugs are known for their reliable performance and superior anti-fouling characteristics
- Part number BR6FS
- Stock number 4323
- 14mm thread size
- Resistor
- Tapered Seat
- Gap 0.031 in. (0.8mm)
- 5/8 in. or 16mm hex
- Replaces AC Delco MR43-T
- Replaces Crusader 97782
- Replaces Mercruiser 33-898264001
- Replaces Marine Power 0003-015
- Replaces Champion RV8C
- Replaces BRP 0763819
Recommended by the manufacturers for optimum performance, these spark plugs are the correct heat range for your marine engine