Increase the spark in your C4 Corvette engine with this high performance ignition distributor by MSD. MSD is the leader in ignition performance and a trusted name in the car world.
- Provides More Accurate Timing Than Stock OptiSpark
- Has Advanced Optical Encoder Trigger Design
- Allows Adjustment Of Timing +/-5°
- Fresh Air Vented & Sealed To Keep Dirt & Water Out
- Includes Fresh Air Vacuum Kit
- Large Ball Bearing Stabilizes Timing Through 10,000 RPM
Please select which year you need in the drop down menu above.