Description
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NGK Laser Platinum Spark Plug (BPR5EP-11)
NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialistâ„¢. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services.
Additional Information
NGK Laser Platinum spark plugs provide high ignitibility and longer service life compared to conventional nickel spark plugs. Actual OE or equivalent replacement spark plug.
Application Summary
CHEV 1992-85; CHRYS 1993-88; DODGE 1995-91; EAGLE 1989-88; MAZDA 1995-86; MITSUBISHI 1999; PLYMOUTH 1999-91; TOYOTA 1992-75
Product Overview
NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialistââ¢. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability; manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services.
| Additional Application Notes | |
|---|---|
| • Gap 0.044" | |
| • Gap 0.040" | |
| • Gap 0.042" | |
| • Gap 0.050" | |
| • Gap 0.044" Dual Plug; Exhaust Side; 4 Req'd (4 Intake Side Plugs Also Req'd) | |
| • OE Equivalent Design Gap 0.050" 100,000 mi OE Mfr Recommended Service Interval | |
| • OE Equivalent Design Gap 0.050" 30,000 mi OE Mfr Recommended Service Interval | |
| • Gap 0.044" Actual OE Manufacturer | |
| • Gap 0.044" Actual OE Manufacturer 60,000 mi OE Mfr Recommended Service Interval | |
These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 06:16:05
Features
- Copper core aids in heat removal
- Corrugated ribs prevent flashover
- Laser platinum plugs provide stable idling, superior anti-fouling, improved fuel efficiency and lower emissions. High-grade pure alumina ceramic and 98% pure copper core prevents spark plug from overheating and provides reliable starts.
- Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
- Triple seals prevent leakage
- Trivalent metal plating for superior anti-corrosion and anti-seizing properties
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Product Details
| Center Electrode Core Material: | Copper Core |
| Center Electrode Tip Material: | Platinum |
| Description: | NGK Laser Platinum Spark Plug |
| Ground Configuration: | Standard |
| Ground Electrode Core Material: | Nickel Core |
| Ground Electrode Quantity: | 1 |
| Ground Electrode Tip Design: | Standard |
| Hex Size: | 13/16 |
| Insulator Height: | 55.00 |
| Manufacturer Heat Range: | 5 |
| Part Number: | BPR5EP-11 |
| Pre-Gap Size: | .044 |
| Reach: | .75 |
| Resistance: | 5000 |
| Seat Type: | Flat |
| Stock Number: | 3971 |
| Thread Diameter: | 14.00 |
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Ngk, Ngk Spark Plugs |
| StreetFX SKU | ngk3971-1 |
| SFX Item ID | 4148173 |
| Accounting SKU | ngk-3971-1 |
| Manufacturer SKU | 3971-1 |
| Manufacturer UPC | N/A |
| Alternative References | 3971-1 |
Compatibility
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