| |  | | VW Turbo Parts |  | SDS EM-4F stand alone engine management for 6 cyl.: The 6F system , controls fuel delivery ignition timing on even fire , 6 cylinder engines to 9000 rpm.Its crank triggered , direct fire coil pack replaces both d tributor type OEM d tributorless ignitions. It programmable in 250 rpm increments with 64 boost retard locations available for turbocharged engines. The st ard F delivers a powerful , long duration spark suitable on engines with specific power outputs of up to 200hp/L. The 6F comes complete with coils crank trigger. Fabrication of a crank sensor mount installation of trigger magnets required. |  | SDS EM-4F stand alone engine management system for 4 cyl.: The 4F system , controls fuel delivery ignition timing on 4 cylinder engines to 9750 rpm (15 , 000 optional). Its crank triggered , direct fire coil pack replaces both d tributor type OEM d tributorless ignitions. It programmable in 250 rpm increments with 64 boost retard locations available for turbocharged engines. New for late October 2003 billet coil pack enclosure with Wea rpack wire seals. The st ard F delivers a powerful , long duration spark suitable on engines with specific power outputs of up to 200hp/L. The 4F comes complete with coils crank trigger. Fabrication of a crank sensor mount installation of trigger magnets required. | |