Product Overview
- designed for gm 4 cylinder engines with delco est ignition hei
- use with sierra's 18-5280 tune up kit, 18-5443 ignition coil, and 18-8833-1 spark plug wire set
- high signal strength trigger system
- ball bearing and bushing combination provide maximum timing stability and long life
- meets or exceeds sae j1171 standards
- Fit type: Universal Fit
