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Home / 4 Pack Denso 5347 Iridium Power Spark Plugs IKH27

4 Pack Denso 5347 Iridium Power Spark Plugs IKH27

$89.77

Free shipping on all orders.

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The Denso 5347 Iridium Power Spark Plug (IKH27) is engineered for high-output and turbocharged engines requiring colder heat ranges and maximum ignition reliability. Featuring a precision-crafted iridium center electrode and tapered ground electrode, it delivers faster starts, cleaner combustion, and reduced fouling even in the harshest conditions. Perfect for racing, performance builds, and advanced engine tuning.

Features & Benefits:

🔧 Ultra-fine iridium tip ensures high-temperature durability
🔧 Cold heat range ideal for high-boost or tuned engines
🔧 Tapered ground electrode increases flame efficiency
🔧 Pre-gapped to OE specifications for easy install

Specifications:

Brand & Part Number: Denso 5347 (IKH27)
Material: Iridium
Thread Size: 14mm
Reach: 25mm (0.98 in)
Hex Size: 16mm
Heat Range: 27
Seat Type: Gasket
Resistor: Yes
Gap: 0.8mm (0.031 in)

Trust Denso Iridium Power IKH27 for uncompromised ignition and consistent performance under pressure—order now!

Shipping Info

Free shipping on every US order. In-stock parts typically ship within 1 business day from Texas.

Returns

30-day returns on unused parts in original packaging. Wrong or defective items are replaced or refunded. See the return policy.

How do I confirm this part fits?

Match the brand and part number to your vehicle, or use the Parts Finder on the homepage. Contact us before ordering if you are unsure.

Are these parts new?

Yes. TXN Supply Co sells new parts from trusted OEM-quality brands — not remanufactured cores.

How fast will my order ship?

In-stock orders ship within 1 business day. Delivery time depends on your ZIP; most US addresses arrive in 2–5 business days.

What is your return policy?

Unused items can be returned within 30 days in original packaging. Customer-initiated returns may include a restocking fee and return shipping.