ThunderMax for 95 - 98 Magnetti Marelli® Models Stage 4 and the adjustable snapback gives

and the adjustable snapback gives you the perfect fit

The ThunderMax 309-312 and 309-313 ECMs are designed exclusively for Magnetti Marelli–equipped EFI Harley-Davidson® models

Part Number: 309-460

especially in setups using the Thunder Heart Micro Harness Controller

With the built in barometric sensor you never have to think about ambient air changes

ThunderMax for 95 - 98 Magnetti Marelli® Models Stage 4 and the adjustable snapback givesPart Number: 309 312 The ThunderMax 309 312 and 309 313 ECMs are designed exclusively for Magnetti Marelliequipped EFI Harley Davidson models. These units will not function on bikes that have been converted to Delphi EFI. If your motorcycle has been converted to Delphi, you will need ThunderMax part number 309 314, available through Zippers Performance. ThunderMax is a performance driven, award winning ECM built exclusively for EFI equipped Harley