GM HVS Marine Distributor

The 903003 electronic distributor meets or exceeds SAE J1171 standards. Ball bearing and bushing combination provides maximum timing stability and a long life. Aluminum housing construction replaces weaker Factory plastic housing. Designed as a direct replacement for late model GM HVS Distributor. It fits MCM 4.3L MPI (S/N 0M300000 & Up)

Features:

• Improved spark plug life.

• Improved performance and combustion efficiency.

• Accurate spark timing.

• Reduced maintenance.

• Easy installation.