Description
8 Genuine NGK 4972 BPMR6A Spark Plugs
Item Specifics
Spark Plug Set – Resistor Type
Part Number: NGK 4972 / BPMR6A
Supersedes: 7021 (Non-Resistor)
Quantity: 8 Plugs
NGK Standard Spark Plugs are constructed for longer life and optimum performance. These genuine NGK BPMR6A spark plugs feature trivalent metal plating for superior anti-corrosion and anti-seizing properties.
Technical Specifications
| Specification | Details |
|---|---|
| Thread Diameter | 14mm |
| Thread Pitch | 1.25mm |
| Seat Type | Gasket Seat / Flat Seat |
| Reach | 9.5mm (3/8″) |
| Hex Size | ¾” (19mm) |
| Gap | .028″ (0.7mm) |
| Heat Range | 6 |
| Terminal Type | Bantam |
| Torque Specs | Cast Iron: 18-25 Ft Lbs | Aluminum: 18-25 Ft Lbs |
Construction Materials
| Component | Material | Benefit |
|---|---|---|
| Center Electrode | Nickel (2.5mm) | Durable spark delivery |
| Core | Copper | Aids in heat removal |
| Insulator | Pure Alumina Silicate Ceramic | Superior strength and heat transfer |
| Plating | Trivalent Metal | Anti-corrosion and anti-seizing |
| Seals | Triple Seal Construction | Prevents leakage |
| Ribs | Corrugated Ceramic | Prevents flashover |
Key Details
- Pack of 8: Eight genuine NGK spark plugs for multiple engines or long-term supply
- Resistor Type: BPMR6A features built-in resistor to reduce electromagnetic interference
- Updated Design: Replaces non-resistor 7021 with improved resistor technology
- Premium Construction: Copper core, alumina silicate insulator, and triple seals for durability
- Corrosion Resistant: Trivalent metal plating prevents seizing and corrosion
We at Red Rock Turf are a stocking distributor for Briggs and Stratton, Kohler, Toro dealer. We not only sell their OEM parts but we also use them on our equipment repairs and rebuilds. If there is something you need and don’t see it on one of our auctions, please email me through and I can get it in and create an auction for that item.
We also ship internationally!
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