SIERRA HEI Distributor for 4 Cylinder GM Engines with Delco EST Ignition
- Designed as a direct replacement for late model GM EST Distributor
- Meets or exceeds SAE J1171 standards
- Includes steel gear, which is compatible with flat tappet or hydraulic roller cams
- Reliable high signal strength trigger system
- Ball bearing and bushing combination provides maximum timing stability and a long life
- Fits:Â 4 cylinder GM engines w/Delco EST ignition HEI
OEM Part#s
Crusader
- 1003317
- 12532
Mercruiser Stern Drive
- 300-8M6005801
- 817377
- 817377T
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