Sierra 18-5515 Delco Est Distributor Coil To Module Harness

Sierra 18-5516 Delco Est Distributor Timing Tool For engines equipped with Delco EST and cannot be place in base timing mode with a diagnostic tool.

Sierra 18-5517 Delco Est Shift Interrupt Harness For engines equipped with a Delco EST distributor and requires a shift interruption lead.  

Harness Assy. Delco - Special Order est. 10 Days

Sierra 18-26815 Distributor Harness

Sierra 18-5513 V-6 Delco Est Conversion Kit