Notes: Perfect engine management system; includes ECM and programmed for use w/non-electronic transmissions only; must convert engine to mechanical throttle; throttle by wire not supported; must convert engine to ls1 throttle body; adapter supplied w/harness;

Notes: Perfect engine management system; includes ECM and programmed for use w/non-electronic transmissions only;

Notes: Perfect engine management system; includes ECM and programmed for use w/non-electronic transmissions only;

Notes: Perfect engine management system; includes ECM and programmed for use w/non-electronic transmissions only; must convert engine to mechanical throttle; throttle by wire not supported;

Notes: Perfect engine management system; for coil on plug; includes ECM and programmed for use w/non-electronic transmissions only; coil on plug only;

Notes: Perfect engine management system; HI-RPM; includes ECM and programmed for use w/non-electronic transmissions only; must convert engine to mechanical throttle; throttle by wire not supported; cam and valve springs required;