DYNATEK REV LIMITERS provide reliable over-rev protection for 2 and 4-cylinder engines with inductive electronic ignition. Easily set your RPM limit anywhere between 6,000 and 12,000 RPM. Installation is simple with included instructions and color-coded wiring. Mount the unit using double-sided tape or tie-wraps, connect the wires, and adjust the RPM limit with the dial. Protect your engine from over-revving and ensure peak performance with DYNATEK REV LIMITERS.