NGK 7214 spark plug for the 1961-1965 Chevrolet Impala V8 6.7L, the 1966-1968 Impala V8 7.0L, the 1966-1969 Impala V8 6.5L and other vehicles ignites the air-fuel mixture in the cylinder through a fine wire iridium center electrode. It belongs to the Iridium IX line and, like other NGK spark plugs in that line, is meant for modified or high performance engines, or as an upgrade to OE nickel alloy plugs.
- NGK Iridium IX line for modified or high performance applications
- Fine wire 0.6 millimeter iridium tip center electrode for durability and a stable spark
- Iridium alloy center electrode with 6x the density of platinum and a very high melting point
- Tapered cut ground electrode with a reduced quenching design for ignitability
- Solid copper core, 98% pure, for heat dissipation and conductivity
- Trivalent metal plating for anti-corrosion and anti-seizing properties
Quick facts
- Part: NGK 7214 spark plug
- Fits: the 1961-1965 Chevrolet Impala V8 6.7L, the 1966-1968 Impala V8 7.0L, the 1966-1969 Impala V8 6.5L and other vehicles
A worn plug can show up as hard starting, a misfire, a rough idle or lower fuel economy. A weak coil, tired plug wires or a fuel delivery fault can be behind those symptoms as well, so track down the cause before you buy plugs.
Fits
The 7214 is a spark plug made for the 1961-1965 Chevrolet Impala V8 6.7L, the 1967 Dodge Charger V8 7.0L and the 1967-1969 Chevrolet Camaro V8 6.5L, along with many other vehicles. If your car is not named here, look up your year and engine in the "Vehicles it fits" section.
Specifications
Fit and size
- Thread size: M14 - 1.25
- Quantity per vehicle: varies by engine
Build and materials
- Metallurgy: single iridium
- Center electrode: fine wire 0.6 mm iridium tip
- Ground electrode: tapered cut
- Core: solid copper, 98% pure
- Plating: trivalent metal
- NGK part number: GR5IX
In the box
One spark plug. The V8 engines listed take eight, the L6 engines six and the L4 engines four.
Interchange: 4478 · IW16 · 19307141 · 25164642 · GR5IX
This part cross-references / interchanges with the following part numbers:
4478, 7214, IW16, 19307141, 25164642, GR5IX
Frequently Asked Questions
Is the NGK 7214 the right Dodge Charger spark plug for a 1967 Dodge Charger V8 7.0L?
Yes. NGK 7214 fits the 1967 Dodge Charger V8 7.0L, which takes eight plugs.
Does a Chevy Impala spark plug like the NGK 7214 fit the 1966-1968 Impala V8 7.0L?
Yes. NGK 7214 fits the 1966-1968 Chevrolet Impala V8 7.0L, and that engine takes eight plugs.
What thread does the NGK Iridium IX spark plug 7214 have?
NGK 7214 has an M14 - 1.25 thread. Its center electrode is a fine wire 0.6 mm iridium tip.
How many plugs come in the NGK 7214 listing?
This listing is one spark plug. The number your engine needs depends on its cylinders: eight on the V8 engines, six on the L6 and four on the L4.
Are NGK iridium spark plugs like the 7214 made for performance engines?
Yes. The Iridium IX line is meant for modified or high performance applications, or as an upgrade to OE nickel alloy plugs. This plug has a tapered cut ground electrode and a solid copper core.
