NGK-BPR7ES (Copper) Spark Plugs (Set of 4) - EVO1-8, Galant VR4 4G63T

NGK BPR7ES Copper Spark Plugs (Set of 4) – EVO1–8, Galant VR-4 4G63T

Technical Description:
The NGK BPR7ES is a cost-effective copper-core spark plug designed for Mitsubishi Lancer Evolution I–VIII and Galant VR-4 4G63T engines. It uses a solid copper core with a nickel ground electrode to deliver reliable spark ignition at factory or mildly modified boost levels.

While not as long-lasting as iridium plugs, the BPR7ES provides excellent thermal conductivity and is a popular choice for tuners who prefer frequent plug changes for maximum performance monitoring.

When to Replace:

• Every 8,000–15,000 km in performance use

• Misfires or hesitation under boost

• Rough idle or poor fuel economy

Benefits:

• Low cost and readily available

• Excellent heat dissipation

• Strong spark performance for budget builds

• Easy to read for tuning purposes

Specifications:

• Thread: 14 mm

• Reach: 19 mm

• Hex size: 13/16" (21 mm)

• Heat range: 7

• Resistor: Yes

• Electrode material: Copper core / Nickel ground