Sierra 18-5351 Delco HVS Distributor for GM Vortec V8 Engines

Includes steel gear, which is compatible with flat tappet or hydraulic roller cams. Reliable high signal strength trigger system. Ball bearing and bushing combination provide maximum timing stability and long life. Aluminum housing construction replaces weaker factory plastic housing. Designed as a direct replacement for late model GM HVS Distributor. Meets or exceeds SAE J1171 standards.