Painless Performance's battery disconnect switch is an easy way to protect your hot rod from battery drains and even theft. With our hot rods, gasoline gets all the glory, but t hey also need ...

NHRA rules mandate that a battery-disconnect switch be installed on the positive side of the battery. This is fine for a purpose-built race car without an alternator, but for a street car, the ...

Achieve max electric fuel pump output and safety using a relay plus an oil pressure safety switch. Achieving maximum output and safety with a custom-wired electric fuel pump requires a properly ...