Davis Unified Ignition Rev Limiter - Works w/ All Davis Unified Ignition Distributors 11043PRB 480" (Drill Hole

480" (Drill Hole

Diameter – 14 inches / 350mm

Two 1/4 NPT Ports

RVs and 4x4s

Instructions for the 30-4100 will still be available in the Instructions tab after this change

Davis Unified Ignition Rev Limiter - Works w/ All Davis Unified Ignition Distributors 11043PRB 480" (Drill HoleD. U. I. Rev Limiter Compatible with All DUI HEI Distributors Includes 3000, 6000, 7000 and 8000 RPM Rev Limiting Chips Protect your engine from over revving with the DUI Rev Limiter. The D. U. I. Rev Limiter drops one cylinder at a time very smoothly. This prevents fuel from loading up on the plugs. This also avoids backfires and engine damage. Set your RPM limit with plug in modules. a 6000, 7000 and 8000 RPM module is included with the rev limiter.