Arctic Cat 550 H1 EFI 4x4 Automatic Spark Plug
The Arctic Cat 550 H1 EFI 4x4 Automatic (500cc) takes an NGK CR6E spark plug, gapped to 0.030".
Key takeaways
- Spark plug: NGK CR6E.
- Iridium upgrade: NGK CR8EIX.
- Gap: 0.030 inch - set it before fitting.
- Covers 1998.
Buy the plugs for your Arctic Cat 550 H1 EFI 4x4 Automatic
The standard plug is the exact-fit replacement. The iridium version drops into the same spot, lasts longer, and fires a little stronger for a few dollars more. Many engines take more than one - check how many cylinders you have.
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Frequently asked
What spark plug does a Arctic Cat 550 H1 EFI 4x4 Automatic take?
The Arctic Cat 550 H1 EFI 4x4 Automatic takes an NGK CR6E spark plug, gapped to 0.030 inch. The iridium upgrade is the CR8EIX.
What is the spark plug gap for a Arctic Cat 550 H1 EFI 4x4 Automatic?
The spark plug gap for the Arctic Cat 550 H1 EFI 4x4 Automatic is 0.030 inch. Check and set the gap before fitting a new plug - most powersports plugs need a small adjustment out of the box.
Can I use an iridium plug in a Arctic Cat 550 H1 EFI 4x4 Automatic?
Yes. The CR8EIX is the iridium version of the CR6E - same fit, longer life, and a slightly stronger spark. It is a straight upgrade.
More parts for your Arctic Cat 550 H1 EFI 4x4 Automatic
We cover the other consumables for your machine too - the exact fit, cited, in one place.