Pertronix Dist British 25D 4 cyl cast Ignitor II vac top exit cap for MG MGB

Mfg Part #

D172420

NP#

PERD172420

Brand

Fits 1962 to 1974 MG MGB. See every vehicle

• Available for 12-volt negative and positive ground systems.
• All new lightweight cast aluminum housings.
• Balanced rotor with overmolded brass contact.
• Tailored advance curve for optimal performance and drivability.
• High dielectric strength cap with brass terminals.
• Integrated Ignitor II electronic ignition with variable dwell maintains peak energy throughout the entire RPM range, reducing misfires while improving engine performance.
• Rotating cobalt magnets trigger a Hall Effect integrated circuit which enables precise timing.
• Develops on average 4 times more available energy between 3000 and 5000 RPM, and 2 times more available plug voltage.
• Top or side exit caps available.
• Peak current level is reached just prior to spark for maximum energy without the heat build-up, increasing coil and module life.