NGK BPR8ES 3923 Standard Spark Plug for DSM & Evo 1-8

Our spark plug of choice for Evo & DSM! The BPR8ES plugs are two steps colder than the stock BPR6ES on the DSM and recommended for high-boost builds. For the Evo VIII, these are one step colder than stock and great for medium to high-boost upgrades. Sold individually. Price is for one plug, please adjust quantity as needed.

Vehicle Fitment:
Mitsubishi 4G63
1992-2005 Evolution I-VIII
1990-1999 Eclipse GST/GSX
1990-1998 Talon TSi
1990-1994 Laser RS
1991-1993 Galant VR4

Part Number: BPR8ES
Stock Number: 3923
Heat Range: 8
Thread Size: 14mm

Features:
• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Corrugated ribs prevent flashover
• Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
• Copper core aids in heat removal
• Triple seals prevent leakage

Shell:
Thread Size: 14mm
Thread Pitch: 1.25mm
Seat Type: Gasket
Resistor Value: 5K Ohm
Reach: 19mm (3/4")
Hex Size: 13/16" (21mm)
Terminal Type: Removable Nut
Overall Height: JIS
Gap: .031" (0.8mm)

Center Electrode:
Material: Nickel
Type: Standard
Size: 2.5mm
Projection: Projected

Ground Electrode:
Material: Nickel
Type: Standard
Quantity: 1

Torque Specs:
Cast Iron: 18-25.3 lb. ft.
Aluminum: 18-21.6 lb. ft.