Description
Spark Plug – BKR4E
Features & Benefits:
V-Power Spark Plugs are named for their specially designed v-groove centre electrode to improve ignitability. Tested to the highest original equipment standards, these plugs are crucial for vehicle maintenance.
- Cold-rolled threads prevent cross-threading and damage to cylinder heads
- Trivalent Metal Plating has superior anti-corrosion and anti-seizing properties (eliminates need for anti-seize)
- High-grade alumina silicate ceramic creates a stronger insulator to reduce dielectric punch-through (caused by spark exiting through side of ceramic)
- 98% pure copper core increases heat dissipation for reliable starts and prevents spark plug overheating
- 90 degree V-Groove centre electrode allows the spark to occur closer to the outside of both the centre and ground electrodes for better flame expansion, reducing quenching and improving ignitability
Common Applications Include:
| BENTLEY | BROOKLANDS | 1994-1995 |
| BENTLEY | CONTINENTAL | 1994-1995 |
| BENTLEY | TURBO R | 1994-1998 |
| ROLLS-ROYCE | CORNICHE | 2001 |
| ROLLS-ROYCE | CORNICHE IV | 1994-1995 |
| ROLLS-ROYCE | CORNICHE S | 1995 |
| ROLLS-ROYCE | FLYING SPUR | 1995 |
| ROLLS-ROYCE | SILVER DAWN | 1995 |
| ROLLS-ROYCE | SILVER SPIRIT | 1994-1995 |
| ROLLS-ROYCE | SILVER SPUR | 1994-1998 |
| ROLLS-ROYCE | TOURING LIMOUSINE | 1994 |
Product Specifications:
| Centre Electrode Core Material | Copper |
| Centre Electrode Tip Material | Nickel |
| Electrical Terminal Type | Non-Removable Nut |
| Gap Size (IN) | .036 |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | Standard |
| Hex Size (IN) | 5/8 |
| Insulator Height (mm) | 50.50 |
| Manufacturer Heat Range | 4 |
| Part Number | BKR4E |
| Reach (IN) | .75 |
| Resistance (ohms) | 5000 |
| Seat Type | Flat |
| Stock Number | 4421 |
| Thread Diameter (MM) | 14.00 |
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