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- Product Attributes:
- Top Width: .44
- Outside Circumference:
- 1233.68
- 48.57
- Color: Black
- Banded Belt: N
- Standards: Sae J636, Sae J637
- Effective Length:
- 1219.20
- 48
- Belt Construction: Bottom Cog
- Minimum Operating Temperature:
- -35
- -37.2
- Material: Synthetic Rubber Compound
- Maximum Operating Temperature:
- 175
- 79.4
-
Suggested Purchase Quantity: 2
- Most jobs typically require 2 of this item.
This Part Fits the Following OEM/Substitute Numbers:
0650199-00, 10A1220, 11720-52H01, 11A1220, 13-482, 1324963, 13480, 13481, 1363479, 1363480, 14025595, 14029056, 14050449, 14085427, 1488828, 15-480, 15-485, 15480...VIEW MORE
Additional Fitment Information:
| Vehicle | Position |
|---|---|
| 1957 - Rolls-Royce Silver Cloud | Fan and Power Steering |
- NGK Iridium IX Spark Plug
- Gap 0.025"
- Iridium IX Spark Plug
- Product Attributes:
- Center Electrode Design: Fine Wire
- Center Electrode Insulator Tip Projection:
- 0.14
- 3.5
- Washer Included: Yes
- Electrical Terminal Type: Non-removable Nut
- Grade Type: Performance
- Service Number: Gr4ix
- Washer Type: Crush
- Ground Electrode Tip Material: Nickel
- Short Style Spark Plug: No
- Skirt: No
- Center Electrode Core Material: Copper
- Part Number: Gr4ix
- Resistor Type: Yes
- Stock Number: 97382
- Ground Electrode Tip Design: Taper Cut
- Pre-Gap Size:
- .040
- 1.0
- Ground Electrode Core Material: Nickel
- Material Grade: Iridium
- Center Electrode Projection: Mid Projection
- Seat Type: Flat
- Ground Electrode Quantity: 1
- Insulator Material: Ceramic
- Hex Size: 13/16"
- Reach:
- 0.750
- 19.0
- Center Electrode Tip Material: Iridium
- Skirt Length: 0.0
- Manufacturer Heat Range: 4
- Ground Configuration: J-gap
- Resistance: 5000.0
- Insulator Height:
- 2.20
- 56.0
- Thread Diameter:
- 0.551
- 14.0
-
Features:
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
- SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
- TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
- IRIDIUM ALLOY CENTER ELECTRODE: Iridium's density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
-
Suggested Purchase Quantity: 8
- Most jobs typically require 8 of this item.
- This item must be purchased in quantities of 4
This Part Fits the Following OEM/Substitute Numbers:
3019, 4237, 4479, 7031, 97382, RH12050, RN14PMP5, W16EP-U10, WR9LP, XP646
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1957 - Rolls-Royce Silver Wraith | L | 4887 | 6 Cyl 4.9L | 298 |
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