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

Restore dependable ignition performance with this CJ Classics 12-volt black ignition coil for 1955-1974 Chevy/GMC vehicles. Designed as a direct replacement for factory ignition coils requiring a primary resistance range of 1.2 to 1.8 ohms, it combines a factory-style appearance with modern manufacturing for reliable spark delivery and long-lasting durability. Whether you're maintaining a stock restoration or upgrading a driver, this ignition coil helps ensure consistent engine performance.

Features and Benefits:
- Fits 1955-1974 Chevy/GMC vehicles requiring a 12-volt ignition coil
- Direct-fit replacement
- Factory-style black finish
- Heavy-gauge oil-filled steel housing
- Brass high-voltage terminal
- Brass primary terminals
- Advanced internal winding construction
- Improved heat dissipation
- Corrosion-resistant design
- Consistent high-voltage output
- Fits original coil brackets
- Compatible with factory breaker-point ignition systems
- Compatible with many electronic ignition conversion kits
- Designed for 1.2-1.8 ohm primary resistance applications

Built with a heavy-gauge oil-filled steel housing, this coil effectively dissipates heat while maintaining stable high-voltage output under demanding conditions. Premium brass primary and high-voltage terminals resist corrosion while maximizing conductivity, and the advanced internal winding construction provides dependable spark energy. It installs in the factory mounting bracket and is compatible with original breaker-point ignition systems as well as many electronic ignition conversions.

Specifications:
- 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

Vehicle Fitment:
- 1955-1974 Chevy passenger cars
- 1955-1974 Chevy/GMC trucks
- 1967-1974 Camaro
- 1964-1974 Chevelle
- 1962-1974 Chevy II/Nova
- 1955-1974 Corvette
- 1958-1974 Impala
- 1967-1974 Pontiac Firebird
- 1961-1974 Pontiac GTO
- 1961-1974 Oldsmobile Cutlass
- 1961-1974 Buick Skylark
- 1955-1974 Buick passenger cars
- 1955-1974 Cadillac models
- 1955-1974 Oldsmobile passenger cars
- 1955-1974 Pontiac full-size models
- 1965-1974 AMC vehicles

Please Note:
- Designed for vehicles originally equipped with a 12-volt ignition coil requiring a primary resistance range of 1.2 to 1.8 ohms.
- Compatible with factory breaker-point ignition systems and many electronic ignition conversion kits.
- Verify your ignition system requirements before ordering.