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- Autolite AR51 Racing Spark Plug
- OE Style; Auto
- Racing Spark Plug
- Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
- 0.133
- 3.38
- Seat Type: Flat
- Washer Included: Yes
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
- 0.244
- 6.2
- Washer Type: Crush
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: No
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 13/16
- Reach:
- 0.75
- 19.05
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
- 0.025
- 0.64
- Resistance: 1
- Insulator Height:
- 2.223
- 56.46
-
Features:
- Engineered with a cut-back ground electrode that delivers optimal ignitability of the flame kernel and better heat transfer, leading to quicker starts.
- The yttrium-enhanced alloy enables up to 8% reduction in ground wire temperature for colder heat ranges designed to enable performance modifications and handle intense conditions.
- Designed with an anti-corrosive nickel-plating prevents rusting better than black oxide, allowing the plug to maintain its durability and efficiency.
- Its high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength while preventing flash-over.
- Autolite® Racing spark plugs are engineered with a cut-back ground electrode, anti-corrosive nickel plating, and large ground electrode that deliver better heat transfer, ensuring maximum engine performance on the track.
-
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:
111, 112, 14 R-5 DU, 14-5 DTU, 14-5 DU, 14-5 DUO, 2037, 315, 3274, 41XLS, 436XLS, 438XLS, AG092C, AG902, AG902C, BP8ES, BP8ES SOLID, BP8EVX...VIEW MORE
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1963 - Porsche Carrera | H | 1966 | 4 Cyl 2.0L | 120 |
- Autolite AR51 Racing Spark Plug
- Gap .024 (in); Auto
- Racing Spark Plug
- Product Attributes:
- Center Electrode Projection: Mid Projection
- Center Electrode Insulator Tip Projection:
- 0.133
- 3.38
- Seat Type: Flat
- Washer Included: Yes
- Electrical Terminal Type: Non-removable Nut
- Ground Electrode Quantity: 1
- Grade Type: Performance
- Core Nose Length:
- 0.244
- 6.2
- Washer Type: Crush
- Ground Electrode Tip Material: Nickel
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: No
- Insulator Material: Ceramic
- Indexed: No
- Hex Size: 13/16
- Reach:
- 0.75
- 19.05
- Center Electrode Tip Material: Nickel
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
- 0.025
- 0.64
- Resistance: 1
- Insulator Height:
- 2.223
- 56.46
-
Features:
- Engineered with a cut-back ground electrode that delivers optimal ignitability of the flame kernel and better heat transfer, leading to quicker starts.
- The yttrium-enhanced alloy enables up to 8% reduction in ground wire temperature for colder heat ranges designed to enable performance modifications and handle intense conditions.
- Designed with an anti-corrosive nickel-plating prevents rusting better than black oxide, allowing the plug to maintain its durability and efficiency.
- Its high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength while preventing flash-over.
- Autolite® Racing spark plugs are engineered with a cut-back ground electrode, anti-corrosive nickel plating, and large ground electrode that deliver better heat transfer, ensuring maximum engine performance on the track.
-
Suggested Purchase Quantity: 6
- Most jobs typically require 6 of this item.
- This item must be purchased in quantities of 4
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1963 - Porsche Carrera | H | 1966 | 4 Cyl 2.0L | 120 |
- Autolite 275 Copper Spark Plug
- Gap .028 (in); Auto
- Copper Spark Plug
- Product Attributes:
- Center Electrode Insulator Tip Projection:
- 0.133
- 3.38
- Washer Included: Yes
- Electrical Terminal Type: Removable Nut
- Grade Type: Regular
- Core Nose Length:
- 0.78
- 19.81
- Washer Type: Flat
- Ground Electrode Tip Material: Nickel
- Skirt: Yes
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: No
- Indexed: No
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
- 0.025
- 0.64
- Ground Electrode Core Material: Nickel
- Center Electrode Projection: Mid Projection
- Seat Type: Flat
- Ground Electrode Quantity: 1
- Insulator Material: Ceramic
- Hex Size: 13/16
- Reach:
- 0.5
- 12.7
- Center Electrode Tip Material: Nickel
- Skirt Length:
- 0.537
- 13.64
- Resistance: 1
- Insulator Height:
- 2.224
- 56.49
- Center Electrode Insulator Tip Projection:
-
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: 4
- Most jobs typically require 4 of this item.
- This item must be purchased in quantities of 4
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1963 - Porsche 356B | H | 1582 | 4 Cyl 1.6L | 97 |
- Autolite 275 Copper Spark Plug
- OE Style; Auto
- Copper Spark Plug
- Product Attributes:
- Center Electrode Insulator Tip Projection:
- 0.133
- 3.38
- Washer Included: Yes
- Electrical Terminal Type: Removable Nut
- Grade Type: Regular
- Core Nose Length:
- 0.78
- 19.81
- Washer Type: Flat
- Ground Electrode Tip Material: Nickel
- Skirt: Yes
- Center Electrode Core Material: Copper
- Hex Type: Hex
- Resistor Type: No
- Indexed: No
- Ground Electrode Tip Design: Standard
- Pre-Gap Size:
- 0.025
- 0.64
- Ground Electrode Core Material: Nickel
- Center Electrode Projection: Mid Projection
- Seat Type: Flat
- Ground Electrode Quantity: 1
- Insulator Material: Ceramic
- Hex Size: 13/16
- Reach:
- 0.5
- 12.7
- Center Electrode Tip Material: Nickel
- Skirt Length:
- 0.537
- 13.64
- Resistance: 1
- Insulator Height:
- 2.224
- 56.49
- Center Electrode Insulator Tip Projection:
-
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: 4
- Most jobs typically require 4 of this item.
- This item must be purchased in quantities of 4
This Part Fits the Following OEM/Substitute Numbers:
14 R-7 BU, 14-5 BU, 14-6 BU, 14-7 BU, 14-8 BU, 167-0263-02, 3068, 312, 42-6FS, 42FS, 43FFS, 43FS, 44FFS, 453, 45FFS, 46FFS, 5613099, 5613983...VIEW MORE
Additional Fitment Information:
| Vehicle | Block | CC | Engine | CID |
|---|---|---|---|---|
| 1963 - Porsche 356B | H | 1582 | 4 Cyl 1.6L | 97 |
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