MSD 6 HVC Professional Race Ignition Control with Fast Rev Limiter 6631

When you're pushing your engine to the limit, ignition reliability isn't negotiable—and neither is protection against catastrophic over-rev damage. The MSD 6 HVC delivers the spark energy and precision timing control that professional racing demands, while its built-in rev limiter eliminates costly engine failures from missed shifts or driver error. Purpose-built for the track, this ignition control gives you one less thing to worry about when every lap counts.

Key Performance Features:

• Built-in rev limiter protection
• 40,000 volts secondary output
• 550 volts primary output
• Multiple sparks per cycle
• 150 millijoules spark energy
• Supports up to 15,000 RPM
• Accepts multiple trigger inputs
• Epoxy potted construction
• NASCAR-approved connector included
• Bolt-on installation

Technical Specifications:

• Secondary Voltage: 40,000 volts
• Primary Voltage: 550 volts
• Spark Energy: 150 mJ @ 15k RPM
• Maximum RPM: 15,000
• Voltage Input: 12–18 volts
• Ground: Negative only
• Connector: 6-pin weathertight
• Dimensions: 8" L × 4" W × 2.25" H
• Weight: 5.1 lbs
• MPN: 6631
• Emissions: Racing use only