CMP Classics 12-Volt Ignition Coil Black Chevy/ GMC 55-74

Restore dependable ignition performance while maintaining a period-correct underhood appearance with this CMP Classics 12-volt ignition coil. Designed as a direct replacement for compatible 1955-1974 GM applications, this black ignition coil features a heavy-gauge oil-filled steel housing and fits existing factory coil brackets for a straightforward installation.

Features and Benefits:
- Direct replacement 12-volt ignition coil
- Designed for compatible 1955-1974 GM applications
- Suitable for ignition systems requiring 1.2-1.8 ohms of primary resistance
- Heavy-gauge oil-filled steel housing
- Oil-filled construction promotes heat dissipation and insulation
- Factory-style black finish maintains a period-correct appearance
- Brass primary terminals
- Brass high-voltage terminal
- Seven-section secondary winding design
- Precision-wound primary circuit
- Provides consistent high-voltage output
- Offers excellent corrosion resistance
- Compatible with factory breaker-point ignition systems
- Compatible with many electronic ignition conversion kits
- Fits existing factory coil brackets
- Suitable for restorations, stock replacements, and compatible restomod applications

Specifications:
- Voltage: 12-volt
- Primary resistance: 1.25-1.35 Ohms @ 25°C
- Primary inductance: 7.5-8.5 mH @ 25°C
- Secondary resistance: 7.0-8.0 kΩ @ 25°C
- Secondary inductance: 50-60 H @ 25°C
- Maximum spark duration: 3.1 mS
- Peak spark gap current: 48 mA
- Turns ratio: 80:1
- Available voltage: 36 kV under load
- Housing: Oil-filled steel
- Terminal material: Brass

Internally, the coil features a precision-wound primary circuit and seven-section secondary winding design to provide consistent high-voltage output. The oil-filled construction promotes effective heat dissipation and insulation, while brass primary and high-voltage terminals provide durable electrical connections. Producing up to 36 kV under load, this coil is compatible with factory breaker-point ignition systems and many compatible electronic ignition conversion kits.

Vehicle Fitment:
- 1955-1974 Chevy passenger cars
- 1955-1974 Chevy/GMC trucks
- 1955-1974 Camaro
- 1955-1974 Chevelle
- 1962-1974 Chevy II/Nova
- 1955-1974 Corvette
- 1958-1974 Impala
- 1967-1974 Firebird
- 1961-1974 GTO
- 1961-1974 Cutlass
- 1961-1974 Skylark
- 1955-1974 Buick passenger cars
- 1955-1974 Cadillac
- 1955-1974 Oldsmobile passenger cars
- 1955-1974 Pontiac full-size models
- 1965-1974 AMC models