The HKS Super Fire Racing M35G is a G-type iridium spark plug identified by manufacturer part number 50003-M35G. HKS lists this plug as a universal specification item, so confirm thread size, reach, wrench size, heat range, seat design, electrode gap, and the required quantity for the engine before ordering.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| Universal | Universal | Universal | Use only when every spark-plug dimension and heat-range requirement matches the engine specification |
Specifications
| Brand | HKS |
|---|---|
| Manufacturer Part Number | 50003-M35G |
| Product Type | Spark Plug |
| Plug Type | G Type |
| Thread Size | 14 mm x 19 mm |
| Wrench Size | 20.8 mm |
| Heat Range | HKS M35G, NGK 7 equivalent |
| Condition | New |
What's Included
One HKS Super Fire Racing M35G product package identified by part number 50003-M35G. Confirm the package quantity shown at checkout and order the number of plugs required by the engine.
About HKS
HKS develops performance engine, forced-induction, exhaust, cooling, electronics, suspension, and ignition products for street and motorsport applications.
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Frequently Asked Questions
Does HKS list the M35G for one specific vehicle?
No. HKS lists part number 50003-M35G as universal, so compatibility depends on the engine's required thread, reach, wrench size, seat design, heat range, and gap.
What heat range is the HKS M35G?
HKS identifies M35G as equivalent to NGK heat range 7. Use the heat range specified for the engine and its modification level.
How many plugs should I order?
Confirm the package quantity shown at checkout and the number of spark plugs required by the engine before ordering.
Installation Instructions
Follow the current HKS instructions and the engine manufacturer's service procedure. Confirm the plug specification and gap before installation, start each plug by hand, use the specified torque for the cylinder head and plug seat, reconnect the ignition components securely, and verify normal operation before driving.
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