Davis Unified Ignition Chevrolet Distributor

• Cures top-end misfire
• No spark box needed
• Improved throttle response
• Low amperage draw
• No points to worry with
• Racing advance curve
• All brand-new units
• Low resistance rotor bushing
• Hardened steel weights
• Includes cap, internal coil and dyna-module
• 9000 rpms

Developed by Davis Unified Ignition in 1989, the GM racing distributors substantially improve upon the original GM version. The DUI distributor for all small-block and big-block Chevy V-8s can be purchased with either a mechanical advance or with a vacuum advance.