
Contact Us
Contact Us
The Denso 5373 Iridium Power Spark Plug (IX27) is engineered for high-performance engines that demand cold heat range plugs with exceptional ignition efficiency. Featuring a fine-wire iridium electrode and high-compression durability, it ensures quick starts, stable combustion, and optimal power delivery in motorsports and modified applications.
🔧 Iridium center electrode improves ignitability and durability
🔧 Cold heat range supports aggressive engine setups
🔧 Ideal for racing and high-load conditions
🔧 Pre-gapped and ready for direct installation
Brand & Part Number: Denso 5373 (IX27)
Material: Iridium
Thread Size: 14mm
Reach: 19mm (0.75 in)
Hex Size: 16mm
Heat Range: 27
Seat Type: Gasket
Resistor: Yes
Gap: 0.8mm (0.031 in)
Push your engine to peak performance with Denso Iridium Power IX27—trusted by professionals worldwide!