These premium distributors include Genuine GM Performance Parts melonized gears (USA), which are "required on all GM Performance Parts crate engines, or serious damage will occur."
Sintered steel weights for lighter weight while withstanding 270 newtons min. for maximum durability (USA)
Validated harness and capacitor for reliable energy flow
Adjustable vacuum advance for fine tuning the rate and amount of advance that will result in increased power and eliminate harmful detonation
Weight springs made with stress-relieved music wire to assure blueprinted advance curve (USA)
High-performance module: engineered with low saturation for maximum spark intensity
Low-friction cam with super-smooth, gradual, tight tolerance TIR (Total Indicated Runout) deviation from datum line (USA)
Bronze sintered bushings precisely installed and line- honed for perfect positioning
Durable, centerless ground coated shaft for reliable energy transfer and long-term, trouble-free performance.
Installation instructions can be found in document tab above