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Distributor with aluminum housing
Replaces late model GM EST distributors
Meets or exceeds SAE J1171 standards
Includes steel gear
Sierra distributor with aluminum housing construction was designed as a direct replacement for late model GM EST distributors.
• 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: GM V6 engines with Delco EST ignition HEI
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