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Graveyard Performance

NGK 1-step Colder Iridium Spark Plug - Mazdaspeed / Focus RS/ST / Ecoboost Mustang

NGK 1-step Colder Iridium Spark Plug - Mazdaspeed / Focus RS/ST / Ecoboost Mustang

2 total reviews

Regular price $40.00
Regular price Sale price $40.00
Sale Sold out
Gap Size

NGK Iridium IX Spark Plugs are designed specifically for the performance enthusiast. Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling.

The fine Iridium tip ensures high durability and a consistently stable spark. Iridium alloy has extremely high melting point, perfect for today's high-tech, high-performance engines. Trivalent Metal Plating - superior anti-corrosion and anti-seizing properties. Outstanding acceleration, high fuel efficiency and durability. Ultimate design, technology and performance.

These are one step colder plugs and are recommended for higher horsepower applications. A higher heat range number does not improve engine performance, it increases the plugs ability to dissipate heat.

Stock Number 2309
Heat Range: 7

NOTE: For stock turbo Mazdaspeed applications we recommend these to be gapped from .026-.028. For applications over 500hp we recommend a .024-.026 gap.

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Customer Reviews

Based on 2 reviews
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T
Tannor Franz
NGK 6510 Pregapped .026

Amazing prices and products as always! Shoutout to Nick and Alex!!! <3

T
Travis Jobe
Great plugs, great salesman, Big forehead tho.

Graveyard always sells the best stuff. Except Dress Up Bolts. They should carry those.

Customer Reviews

Based on 2 reviews
100%
(2)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
T
Tannor Franz
NGK 6510 Pregapped .026

Amazing prices and products as always! Shoutout to Nick and Alex!!! <3

T
Travis Jobe
Great plugs, great salesman, Big forehead tho.

Graveyard always sells the best stuff. Except Dress Up Bolts. They should carry those.