Davis Unified Ignition Rev Limiter - Works w/ All Davis Unified Ignition Distributors 935214 but opens to a full

but opens to a full 36"

Depending on the thickness of the seal bead

Base fuel pressure adjustable from 3-15 PSI (1) ORB-10 inlet port and (1) ORB-8 return port

Swivel Expander Fitting 16AN Female to 20AN Male

and Crankshaft pulley #MOR64910

Davis Unified Ignition Rev Limiter - Works w/ All Davis Unified Ignition Distributors 935214 but opens to a fullD. 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.