NGK TÄNDSTIFT : NGK 738 racing-tändstift R5671A-9.Shell

• Thread Size: 14mm
• Thread Pitch: 1.25mm
• Seat Type: Gasket
• Reach: 19mm (3/4")
• Hex Size: 5/8" (16mm)
• Terminal Type: Solid
• Overall Height: ISO
• Gap: .031" (0.8mm)

Center Electrode

• Material: Nickel
• Type: V-Cut
• Size: 2.5mm
• Projection: Non-Projected

Ground Electrode

• Material: Nickel
• Type: Standard

Specifications

• Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
• Heat Range: 9
• Longevity: 30k Miles
• Resistor: No