NGK 4140 R5673-8 MerCruiser Inboard Nickel Alloy Copper 14mm V-Power Racing Series Spark Plug

Nickel Alloy Copper 14mm V-Power Racing Series Spark Plug for MerCruiser Inboard Engine
Lowers Ignition System Voltage Requirements
Greater Ignitability and Performance Over Conventional Spark Plugs
Trivalent Metal Plating has Superior Anti-Corrosion and Anti-Seizing Properties
Increased Fuel Economy and Lower Emissions
Highly Durable against Electrical and Chemical Wear
Good Performance
Thread Diameter: 14.0 mm
Thread Reach: 11.2 mm
Hex Size: 16 mm
Resistor: No
Heat Range: 8
Electrode Core Material: Copper
Electrode Tip Material: Nickel alloy
Insulator Type: Non-Projected
Seat Style: Taper
For use with:
- FLAGSHIP TC500 75->93
- FLAGSHIP TC650 75->77
- MERCRUISER 325 2762442->
- MERCRUISER 350
- MERCRUISER 270 (Taper Seat)
- MERCRUISER 325 3043030->
- MERCRUISER 460 Cyclone
- MERCRUISER 475 Turbo
- MERCRUISER HP500 (540 cu.inch)
- MERCRUISER HP525 SC
- MERCRUISER HP575 (Incl SCi)
- MERCRUISER HP600 SC
- MERCRUISER HP800 SC
Manufacturer: NGK
Model Number: R5673-8
Part Number: 4140
Also Known As:
- Accel 263
- ACDelco 436T, R43T
- Autolite 133, 134, 3263, AR133, AR134
- Bosch W4CC, stk 7530
- Champion BL3, BL6, V4C, V59C, V61, V63C, stk 670, stk 802
- Denso 5333, ITF24, T20R-U, stk 5038
- General Motors 5613354, 5613569
- Mercruiser 33-670, 33-813421
- Mercury 8134214
- Motorcraft AF091, AF901, ARF2, ARF2-6, ASF32P, ASF42P, stk AF1, stk AF2
- NGK stk 3249, stk 4140
- Splitfire SF13C