- FEATURED BRANDS
- Blog
- How to Choose a Car Jack
- How to Recharge a Dead Car Battery
- Brake Pad Replacement
- Car Isn’t Warming Up?
- Jumper Cables or Booster Pack?
- Fuel Additives
- See all blog articles
- How to Replace Brake Pads and Rotors
- Complete Guide to Towing a Trailer
- Detailing Products and Expert Advice
- What Are Fuel Additives
- How to Recharge Your Car's AC
- How to Fix a Chip in Your Windshield
- DEALS
In-STORE PICKUP
Same day if available
FREE SHIPPING
On orders $75 and more
Free Returns
Easy & hassle free
NAPA REWARDS
Earn Rewards today!
text.skipToContent
text.skipToNavigation
NGK Racing Plug
NGK Racing Plug
Part #:
NGK 4940
Line:
NGK
Why?
This item is currently not at your store, but is available for order. Please call store to verify the specific location and delivery details for this item. Note that additional shipping charges may be required.
Requested quantity is not available. Please update the quantity below.
Choose Pickup Store
Pickup Item(s):
You may see adjusted pickup dates in your cart for existing items if you change your store.
stores within 120 km of
H1B 5L4
Change
Features & Benefits
Warranty:
Standard : See Manufacturer's Complete Written Policy
Download
Download
WARRANTY INFORMATION
| Warranty Available for Download |
|
Warranty
|
NGK Racing Plugs Are Designed For Use In Engines That Have Been Tuned To Achieve Maximum Power Under Specific Racing Conditions. These Spark Plugs Are Available In Various Designs & Configurations To Meet The Needs Of The Particular Engine.
Specifications
| Ground Electrode Quantity | 1 |
| Insulator Type | Non-Projected |
| Manufacturer Part Number | R0373A-10 |
| Terminal Type | Stud |
| Spark Plug Reach | 19 mm / 0.75 in |
| VMRS Code | 033003005 |
| Spark Plug Resistor Value | 5000 |
| Spark Plug Seat Type | Gasket |
| Spark plug Inductive | No |
| Thread Size | M10-1.0 |
| Spark Plug Heat Range | NGK10 |
| Spark Plug Thread Size | 10 mm |
| Contents | Iridium tipped spark plug w/gasket |
| Gap Size | 0.024 in |
| Seat Type | Flat |
| Electrode Core Material | Copper |
| Insulator Material | Ceramic |
| Manufacturer | NGK Spark Plugs |
| Spark Plug Resistor | Yes |
| Resistor Type | Yes |
| Spark Plug Hex Size | 5/8 in. |
| Hex Size | 5/8 in |
