MSD RED DIGITAL PROGRAMMABLE 6AL-2 The Programmable 6AL-2 Ignition provides street and performance cars to take advantage of tuning-in an ignition curve or boost timing map from a PC. PART# 6530 The Programmable 6AL-2 lets you lock out the distributor and program a timing curve via a PC. Youll also be able to set a 2-Step Rev Limiter, a retard for use with nitrous and even a boost timing curve for forced induction engines! The Programmable 6AL-2 shares the same advanced features of the new 6AL-2 with 535 primary volts and spark energy reaching 135 mJ! Vibration mounts, wiring and a PC cable are supplied. Must use MSD Pro-Data+ Software to program. Features: Advanced features allow for use in street and racing applications PC Programmable with easy-to-use Windows based Pro-Data +Software Plot a boost timing map with 0.1° per psi accuracy Programmable 3-Step Rev Limiter (100 RPM increments) Step retard for nitrous applications plus a boost timing map Capacitive Discharge technology for fast rise time and maximum spark energy EO # D-115-21 MSD Pro-Data+/GraphView Software MSD Pro-Data+ Software MSD Pro-Data+ Software for use with all MSD Digital Programmable products. MSD GraphSave Software View, modify and save user data for all MSD Digital Programmable products. Driver Installation in Windows 8.1 Step-by-step instructions on driver installation in Windows 8.1 Driver Installation in Windows 8 Step-by-step instructions on driver installation in Windows 8 Instructions for Part# 6530 . Brand MSD Colour Red Current Draw .7 Amp per 1,000 RPM Emission Code 1 EO Number D-115-22 Primary Voltage 535 Volts Product Type Digital Programmable 6AL-2 RPM Range 12,500 RPM with 14.4 Volts Secondary Voltage 45,000 Volts Spark Energy 135 mJ per spark Voltage Required 12-18 Volts, Negative Ground Weight and Size 3 lbs.,7"L x 4"W x 2"H