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NGK Spark Plugs WR5

V-Power Resistor Spark Plug 18mm x .460" Reach

NGK Spark Plugs WR5

739-WR5

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Estimated ship date 11/24/17 if Ordered Today
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NGK Spark Plugs WR5 V-Power Resistor Spark Plug 18mm x .460" Reach $1.99
V-Power Resistor Spark Plug
  • 18mm x .460" Reach
  • 13/16" Hex
  • Projected
  • Tapered seat

  • Specifications:

    Manufacturer's Part Number:
    WR5

    Modern, lean-burning, fuel-efficient engines call for new lower sparking voltage requirements. NGK Spark Plugs responded by developing V-Power Spark Plugs with V-groove center electrodes. The V-groove center electrode forces the spark to the ground electrode's outer edge, placing the spark closer to the air/fuel mixture to ignite it quicker for more complete combustion (thus greater power & less harmful emissions).

    Today's performance engines are often high-compression/high-stress: supercharged, turbocharged, or fed by nitrous oxide. Ideal for high-performance street and race cars, NGK's patented V-groove design allows an ignition system to spark easily in such dense air/fuel mixtures. The flame kernel grows rapidly and enables an engine to potentially make more power because it's operating more efficiently. As a bonus, the spark's outer edge location helps limit the quenching effect, reducing misfires caused by high cylinder pressures "blowing out" the spark. V-Power Spark Plugs also use lower ignition firing voltage, which results in faster starts and easier cold starts throughout the life of the plugs. Sold individually.

    JEGS Easy Kits are designed by JEGS Professionals to help you get all the performance parts you need.

    Does NGK Spark Plugs WR5 fit your vehicle?

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    Aspiration

    1969-1970 MERCURY COUGAR

    • CC: 5753
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1969 MERCURY CYCLONE

    • CC: 6997
    • Liter: 7.0
    • SubModel: CJ
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1963-1967 FORD RANCH WAGON

    • CC: 4727
    • Liter: 4.7
    • SubModel: BASE
    • CUI: 289
    • EngineType: V8 ( 4.7 L / 289 )

    1965-1966 FORD GALAXIE

    • EngineType: ALL
    • SubModel: ALL

    1964 FORD GALAXIE

    • CC: 5769
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 352
    • EngineType: V8 ( 5.8 L / 352 )

    1962-1971 FORD RANCH WAGON

    • CC: 6391
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1982 FORD MUSTANG

    • Liter: 3.3
    • SubModel: GL
    • CUI: 200
    • EngineType: L6 ( 3.3 L / 200 )

    1960 MERCURY MONTEREY

    • CC: 5114
    • Liter: 5.1
    • SubModel: BASE
    • CUI: 312
    • EngineType: V8 ( 5.1 L / 312 )

    1971-1974 MERCURY MONTEGO

    • CC: 4949
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1958 MERCURY PARK LANE

    • CC: 7048
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 430
    • EngineType: V8 ( 7.0 L / 430 )

    1973 FORD GRAN TORINO

    • Liter: 5.0
    • SubModel: BROUGHAM
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1969-1974 FORD F-100

    • CC: 4950
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1962 MERCURY MONTEREY

    • EngineType: ALL
    • SubModel: CUSTOM S-55

    1957 MERCURY COMMUTER

    • EngineType: ALL
    • SubModel: ALL

    1967 MERCURY MARQUIS

    • CC: 6720
    • Liter: 6.7
    • SubModel: BASE
    • CUI: 410
    • EngineType: V8 ( 6.7 L / 410 )

    1976 FORD F-350

    • Liter: 5.9
    • SubModel: BASE
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1960-1961 FORD RANCHERO

    • EngineType: ALL
    • SubModel: ALL

    1970-1971 MERCURY CYCLONE

    • CC: 5753
    • Liter: 5.8
    • SubModel: GT
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1970 FORD RANCH WAGON

    • CC: 7014
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1955-1957 MERCURY MONTEREY

    • EngineType: ALL
    • SubModel: ALL

    1967 FORD LTD

    • CC: 4727
    • Liter: 4.7
    • SubModel: BASE
    • CUI: 289
    • EngineType: V8 ( 4.7 L / 289 )

    1971 FORD MUSTANG

    • CC: 5753
    • Liter: 5.8
    • SubModel: MACH I
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1964 MERCURY CYCLONE

    • CC: 4261
    • Liter: 4.3
    • SubModel: BASE
    • CUI: 260
    • EngineType: V8 ( 4.3 L / 260 )

    1975-1976 FORD F-350

    • Liter: 5.9
    • SubModel: NORTHLAND
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1971-1972 MERCURY MONTEGO

    • CC: 4098
    • Liter: 4.1
    • SubModel: MX BROUGHAM
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1971 MERCURY CYCLONE

    • CC: 5752
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1958 MERCURY COLONY PARK

    • CC: 7048
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 430
    • EngineType: V8 ( 7.0 L / 430 )

    1970 FORD TORINO

    • CC: 7030
    • Liter: 7.0
    • SubModel: BROUGHAM
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1983 FORD E-350 ECONOLINE

    • CC: 4917
    • Liter: 4.9
    • SubModel: XL
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1978-1983 MERCURY ZEPHYR

    • Liter: 3.3
    • SubModel: Z7
    • CUI: 200
    • EngineType: L6 ( 3.3 L / 200 )

    1976 FORD P-350 VAN

    • CC: 4917
    • Liter: 4.9
    • SubModel: BASE
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1968-1969 FORD RANCH WAGON

    • CC: 7014
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1984-1985 FORD F-250

    • CC: 4917
    • Liter: 4.9
    • SubModel: BASE
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1966 FORD CUSTOM

    • CC: 6997
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1970 FORD TORINO

    • CC: 4949
    • Liter: 5.0
    • SubModel: GT
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1969-1970 MERCURY CYCLONE

    • CC: 5753
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1971-1973 MERCURY MONTEGO

    • CC: 4098
    • Liter: 4.1
    • SubModel: MX
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1969-1970 MERCURY CYCLONE

    • CC: 5752
    • Liter: 5.8
    • SubModel: SPOILER
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1985-1986 FORD E-350 ECONOLINE CLUB WAGON

    • CC: 4917
    • Liter: 4.9
    • SubModel: XLT
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1965-1969 MERCURY MONTEREY

    • EngineType: ALL
    • SubModel: ALL

    1970 MERCURY MARQUIS

    • CC: 7014
    • Liter: 7.0
    • SubModel: BROUGHAM
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1958 FORD DEL RIO WAGON

    • CC: 5441
    • Liter: 5.4
    • SubModel: BASE
    • CUI: 332
    • EngineType: V8 ( 5.4 L / 332 )

    1961 FORD GALAXIE

    • CC: 4786
    • Liter: 4.8
    • SubModel: CLUB VICTORIA
    • CUI: 292
    • EngineType: V8 ( 4.8 L / 292 )

    1960 MERCURY COUNTRY CRUISER

    • CC: 5114
    • Liter: 5.1
    • SubModel: BASE
    • CUI: 312
    • EngineType: V8 ( 5.1 L / 312 )

    1982 MERCURY COUGAR

    • Liter: 3.3
    • SubModel: LS
    • CUI: 200
    • EngineType: L6 ( 3.3 L / 200 )

    1968-1969 MERCURY MONTEGO

    • CC: 6391
    • Liter: 6.4
    • SubModel: MX
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1968 FORD GALAXIE 500

    • EngineType: ALL
    • SubModel: BASE

    1968 FORD CUSTOM 500

    • CC: 7014
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1958-1962 FORD COUNTRY SEDAN

    • CC: 4786
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: V8 ( 4.8 L / 292 )

    1969-1970 FORD MUSTANG

    • EngineType: ALL
    • SubModel: BOSS 429

    1957 FORD FAIRLANE

    • CC: 5114
    • Liter: 5.1
    • SubModel: BASE
    • CUI: 312
    • EngineType: V8 ( 5.1 L / 312 )

    1968 FORD CUSTOM 500

    • CC: 6391
    • Liter: 6.4
    • SubModel: BASE
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1975-1977 FORD P-500 VAN

    • CC: 4917
    • Liter: 4.9
    • SubModel: BASE
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1967 MERCURY MARQUIS

    • CC: 7014
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1957-1958 FORD RANCHERO

    • Liter: 3.7
    • SubModel: CUSTOM
    • CUI: 223
    • EngineType: L6 ( 3.7 L / 223 )

    1975-1977 MERCURY MONARCH

    • Liter: 3.3
    • SubModel: BASE
    • CUI: 200
    • EngineType: L6 ( 3.3 L / 200 )

    1961 MERCURY METEOR

    • EngineType: ALL
    • SubModel: 600

    1977-1980 FORD E-250 ECONOLINE CLUB WAGON

    • CC: 4917
    • Liter: 4.9
    • SubModel: BASE
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1970 FORD MUSTANG

    • EngineType: ALL
    • SubModel: GRANDE

    1975-1976 FORD F-100

    • Liter: 5.9
    • SubModel: RANGER XLT
    • CUI: 360
    • EngineType: V8 ( 5.9 L / 360 )

    1968-1969 FORD MUSTANG

    • CC: 4949
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1982 MERCURY COUGAR

    • Liter: 3.3
    • SubModel: GS
    • CUI: 200
    • EngineType: L6 ( 3.3 L / 200 )

    1972 MERCURY MONTEGO

    • CC: 7030
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1960 FORD VICTORIA

    • EngineType: ALL
    • SubModel: ALL

    1974 MERCURY MONTEGO

    • CC: 4097
    • Liter: 4.1
    • SubModel: VILLAGER
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1955-1957 FORD COUNTRY SEDAN

    • CC: 4458
    • Liter: 4.4
    • SubModel: BASE
    • CUI: 272
    • EngineType: V8 ( 4.4 L / 272 )

    1975-1976 FORD F-350

    • Liter: 6.4
    • SubModel: NORTHLAND
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1972 MERCURY MONTEGO

    • CC: 7030
    • Liter: 7.0
    • SubModel: MX
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1970-1973 MERCURY MONTEREY

    • CC: 7030
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1956 FORD COURIER SEDAN DELIVERY

    • EngineType: ALL
    • SubModel: ALL

    1986 FORD E-150 ECONOLINE

    • CC: 4917
    • Liter: 4.9
    • SubModel: XL
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1966-1967 FORD F-100

    • CC: 5769
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 352
    • EngineType: V8 ( 5.8 L / 352 )

    1969-1970 FORD CUSTOM

    • CC: 7014
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1976 FORD F-100

    • Liter: 6.4
    • SubModel: CUSTOM
    • CUI: 390
    • EngineType: V8 ( 6.4 L / 390 )

    1968-1970 FORD COUNTRY SEDAN

    • CC: 7014
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1960 FORD GALAXIE

    • EngineType: ALL
    • SubModel: SPECIAL

    1968-1969 MERCURY CYCLONE

    • CC: 4949
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 302
    • EngineType: V8 ( 5.0 L / 302 )

    1975-1980 FORD GRANADA

    • Liter: 4.1
    • SubModel: GHIA
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1975-1981 FORD F-150

    • CC: 4917
    • Liter: 4.9
    • SubModel: RANGER XLT
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1973-1974 FORD GRAN TORINO

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1970 FORD TORINO

    • CC: 7030
    • Liter: 7.0
    • SubModel: SQUIRE
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1969 MERCURY CYCLONE

    • CC: 7030
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1968-1971 LINCOLN MARK III

    • EngineType: ALL
    • SubModel: ALL

    1977 FORD F-100

    • CC: 4917
    • Liter: 4.9
    • SubModel: XLT
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1960 FORD SUNLINER

    • EngineType: ALL
    • SubModel: ALL

    1982 FORD E-250 ECONOLINE

    • CC: 4917
    • Liter: 4.9
    • SubModel: CHATEAU
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1962-1963 FORD FALCON

    • CC: 2786
    • Liter: 2.8
    • SubModel: BASE
    • CUI: 170
    • EngineType: L6 ( 2.8 L / 170 )

    1963-1966 FORD FAIRLANE

    • CC: 2786
    • Liter: 2.8
    • SubModel: BASE
    • CUI: 170
    • EngineType: L6 ( 2.8 L / 170 )

    1974 FORD E-200 ECONOLINE

    • CC: 3933
    • Liter: 3.9
    • SubModel: CUSTOM WAGON
    • CUI: 240
    • EngineType: L6 ( 3.9 L / 240 )

    1969-1972 FORD RANCH WAGON

    • CC: 7030
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 429
    • EngineType: V8 ( 7.0 L / 429 )

    1975-1981 FORD F-350

    • CC: 4917
    • Liter: 4.9
    • SubModel: RANGER XLT
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1982 FORD MUSTANG

    • Liter: 3.3
    • SubModel: GLX
    • CUI: 200
    • EngineType: L6 ( 3.3 L / 200 )

    1969-1974 FORD RANCH WAGON

    • CC: 5753
    • Liter: 5.8
    • SubModel: BASE
    • CUI: 351
    • EngineType: V8 ( 5.8 L / 351 )

    1961-1962 MERCURY COLONY PARK

    • CC: 4786
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: V8 ( 4.8 L / 292 )

    1968 MERCURY MONTEGO

    • CC: 6997
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1970 FORD RANCH WAGON

    • CC: 7014
    • Liter: 7.0
    • SubModel: POLICE CRUISER
    • CUI: 428
    • EngineType: V8 ( 7.0 L / 428 )

    1984-1985 FORD F-150

    • CC: 4917
    • Liter: 4.9
    • SubModel: BASE
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )

    1970 FORD E-300 ECONOLINE

    • CC: 3933
    • Liter: 3.9
    • SubModel: CHATEAU WAGON
    • CUI: 240
    • EngineType: L6 ( 3.9 L / 240 )

    1958-1959 FORD CUSTOM 300

    • CC: 4786
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: V8 ( 4.8 L / 292 )

    1975-1983 FORD E-100 ECONOLINE

    • CC: 4917
    • Liter: 4.9
    • SubModel: CUSTOM
    • CUI: 300
    • EngineType: L6 ( 4.9 L / 300 )
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