MAXX Performance replacement  HEI vacuum advance distributor with 65,000v in-cap coil features all-new components and are the perfect choice for your daily driver or street machine. Features include high performance electronics, centerless ground shaft and high dielectric strength cap with balanced rotor for trouble free performance.

• HEI cap dimensions:  5 1/4" wide x 5" tall
• Can be easily converted to mechanical advance
• High quality aluminum housing
• Supplied with clamp down distributor cap and rotor