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1956 Rolls-Royce Silver Wraith Spark Plug 6 Cyl 4.9L Autolite

Autolite 405 Copper Spark Plug
Gap .025 (in); Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Insulator Tip Projection:
  - 0.039
  - 0.99
- Washer Included: Yes
- Electrical Terminal Type: Removable Nut
- Grade Type: Regular
- Core Nose Length:
  - 0.578
  - 14.68
- Washer Type: Flat
- Ground Electrode Tip Material: Nickel
- Skirt: Yes
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Indexed: No
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.034
  - 0.86
- Ground Electrode Core Material: Nickel
- Center Electrode Projection: Short Projection
- Seat Type: Flat
- Ground Electrode Quantity: 1
- Insulator Material: Ceramic
- Hex Size: 13/16
- Reach:
  - 0.75
  - 19.05
- Center Electrode Tip Material: Nickel
- Skirt Length:
  - 0.542
  - 13.77
- Resistance: 5000
- Insulator Height:
  - 2.224
  - 56.49
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
Suggested Purchase Quantity: 6
- Most jobs typically require 6 of this item.
This item must be purchased in quantities of 4

This Part Fits the Following OEM/Substitute Numbers:

1097, 146, 3108, 41-832, 45770-10, 45N, 45XL, 46N, 46XL, 47XL, 504, 5612022, 8129860, 8U2J12405AZA, AG4, AG5, AG7, AG9...VIEW MORE

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1956 - Rolls-Royce Silver Wraith	L	4887	6 Cyl 4.9L	298

58 In Stock

Limited-Time Offer

$8.13 USD

$9.76 USD


Brand	Autolite
Part #	A77405
Condition	New
Warehouse	B

UPC: 009100004055

1956 Rolls-Royce Silver Wraith Spark Plug 6 Cyl 4.9L Autolite

Autolite 405 Copper Spark Plug
OE Style; Auto
Copper Spark Plug
Product Attributes:
- Center Electrode Insulator Tip Projection:
  - 0.039
  - 0.99
- Washer Included: Yes
- Electrical Terminal Type: Removable Nut
- Grade Type: Regular
- Core Nose Length:
  - 0.578
  - 14.68
- Washer Type: Flat
- Ground Electrode Tip Material: Nickel
- Skirt: Yes
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: Yes
- Indexed: No
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
  - 0.034
  - 0.86
- Ground Electrode Core Material: Nickel
- Center Electrode Projection: Short Projection
- Seat Type: Flat
- Ground Electrode Quantity: 1
- Insulator Material: Ceramic
- Hex Size: 13/16
- Reach:
  - 0.75
  - 19.05
- Center Electrode Tip Material: Nickel
- Skirt Length:
  - 0.542
  - 13.77
- Resistance: 5000
- Insulator Height:
  - 2.224
  - 56.49
Features:
- The copper core center electrode aids in thermal control and improves resistance to fouling.
- Its specially engineered high nickel alloy center and ground electrode provides extended life.
- The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
- Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.
Suggested Purchase Quantity: 6
- Most jobs typically require 6 of this item.
This item must be purchased in quantities of 4