YH and YT Series Advance Curve Degree Keys for Mallory Style Distributors.

These degree keys will work for modification of the mechanical advance curve of any Mallory style distributor with the YH or YT advance system.  The optimum advance curve for your application depends on many variables.  We offer outstanding customer service and tech help.  The office is open Monday through Thursday 8 am to 3pm Pacific time. 

Shipping is First Class USPS please allow 10 days for delivery.  Unless Priority Mail is selected.