
The Twin Tuner II has all of the features of the Twin Tuner and also allows retarding of the spark timing up to 10° to help prevent pre-ignition knocking. The user interface consists of up/down pushbuttons and a bright daylight readable LED display to select and change the fuel trim and spark retard in the RPM and throttle position ranges required by most applications.
Special order from the distributor network. We email the ship date when you order.
Ground shipping is $14.95, free on orders over $150. Stock is re-checked with the warehouse before your card is charged.
California: this part can’t ship to a California address.




