ADJUSTABLE IGNITION MODULES FOR CARBURETED TWIN CAM & SPORTSTER

• PROVIDES A WIDE TIMING ADVANCE ADJUSTMENT RANGE FOR STOCK TO HIGHLY MODIFIED ENGINES
• ADJUSTABLE RPM LIMIT IN 100 RPM INCREMENTS UP TO 9 , 900 RPM
• BUILT-IN DATA LOGGING STORES THE LAST 30 MINUTES OF ENGINE OPERATION INCLUDING RPM , VEHICLE SPEED , MANIFOLD PRESSURE , IGNITION ADVANCE & BATTERY VOLTAGE. THIS INFORMATION IS USEFUL FOR TUNING & DIAGNOSING PROBLEMS (REQUIRES OPTIONAL PC LINK INTERFACE CABLE & SOFTWARE)
• THE OPTIONAL PC LINK INTERFACE CABLE & WINDOWS COMPATIBLE SOFTWARE ALLOWS FOR THE USE OF A LAPTOP PC TO PROGRAM A CUSTOM ADVANCE CURVE FOR PRECISE DYNO TUNING & RECALIBRATE THE SPEEDOMETER & ODOMETER TO ACCOMMODATE NON-STOCK TIRE SIZES OR GEARING CHANGES
• VISIT WWW.DAYTONA-TWINTEC.COM FOR THE LATEST FREE SOFTWARE UPDATES , FREQUENTLY ASKED QUESTIONS (FAQS) AND PRODUCT INFORMATION
• IGNITION MODULES PROVIDES FULL SUPPORT FOR THE J1850 DATA BUS USED FOR COMMUNCIATIONS WITH THE INSTRUMENT CLUSTER AND TURN SIGNAL/SECURITY MODULE. THEY ARE ALSO COMPATIBLE WITH THE HD^® SCAN TOOL TO READ SENSOR DATA & CLEAR DIAGNOSTIC CODES
• 17637 CAN BE SET FOR SINGLE SPARK PER IGNITION CYCLE LIKE STOCK OR SET FOR MULTIPLE SPARKS PER CYCLE
• INCLUDES INSTRUCTIONS