Adjustable Style Ignition Rotors

Adjustable Ignition Rotors Fine tune your power.

Advance or Retard Ignition Timing
Maximum Flexibility = Maximum Performance
Fine tune your power with FACTORY! Gain maximum flexibility and maximum performance from your motorcycle with a Factory Adjustable Ignition Rotor. Now timing can be set to exactly match the requirements of your engine. The same motorcycle may need different timing as jet kits">

Adjustable Style Ignition Rotors

Adjustable Ignition Rotors Fine tune your power.

Advance or Retard Ignition Timing
Maximum Flexibility = Maximum Performance
Fine tune your power with FACTORY! Gain maximum flexibility and maximum performance from your motorcycle with a Factory Adjustable Ignition Rotor. Now timing can be set to exactly match the requirements of your engine. The same motorcycle may need different timing as jet kits, hi-flow filters, exhausts, porting or compression are added or changed.


Fixed Ignition Rotors  More Horsepower.

Fixed Style Ignition Rotors

Advance Ignition Timing
Simple Installation
Bolt On In Minutes
Reliable 1 Piece Design
Available in several ranges of advance - +1.5 degrees to +6 degrees in select applications.
No loose screws - no need to "Loctite" for safety!
In just minutes, bolt on a FACTORY ignition advance unit and gain real horsepower and quicker throttle response. Used by many of America's top roadracers.



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Superbike ACM Kit Ignition Rotor
(Race use only)

Yamaha fzr400 and fzr600 (not Thunder Cat)

click to visit ACM Kit page


True Rear Wheel HorsepowerŪ Factory EC997a Eddy Current Dynamometer