
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.
In stock at a distributor warehouse. Ships in 2–4 business days by ground.
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.




