Longacre Weatherproof HD 40 Amp Ignition Switch SF52513 The solid louver design offers

The solid louver design offers superior oil control and horsepower savings in high RPM applications

Allows for the removal of the problematic OEM cooler bypass tube assembly

Flex-a-lite has been leading the way in cooling product technology for over 40 years

This device will only display and/or communicate with Holley EFI HP/Dominator ECUs with V4 build 110 or later firmware

or converter

Longacre Weatherproof HD 40 Amp Ignition Switch SF52513 The solid louver design offersCompletely sealed with a polyurethane coating. The back side of these switches are completely sealed and weatherproofed with a tough, waterproof polymer coating. Keeps out dirt, dust and moisture that can turn a critical switch into a useless dead end connection, possibly putting you out of a race. Longacre is an established brand name in the racing industry and is recognized for dedication to quality, innovation and customer satisfaction. Check out