Fett Brothers Offset Timing Key - 1.5? Offset - Polaris PLW010

Offset Timing Key - 1.5? Offset - Polaris
More power and acceleration with up to 2 horsepower gain, Degrees of advance depend upon stroke, rod location and offset, Simple timing option for fixed stator plates, Work with both stock and modified engines, More timing offset equals more heat, so re-jetting will be required., Using premium fuel (91 octane minimum) with these offset keys is highly recommended.