Relays/Relay Kits

A reliable relay is the backbone of any auxiliary electrical system—whether you're powering electric fans, fuel pumps, or accessory lights. This Allstar Performance weatherproof relay handles the switching demands of high-amperage circuits while...

A dedicated 30-amp relay with integrated harness eliminates voltage drop and potential electrical gremlins that plague undersized or jury-rigged wiring solutions. This Allstar Performance unit gives you the clean, direct power delivery your fuel pump,...

A properly sized fuel pump wiring harness is critical for reliable fuel delivery under sustained boost or high RPM operation. Undersized or improvised wiring can cause voltage drop, inconsistent fuel pressure, and catastrophic engine failure. The 30 Amp...

Electric cooling fan systems demand reliable switching that won't fail under underhood heat, moisture, and vibration. The Painless Wiring 30130 relay provides the robust switching capacity and sealed construction your fan circuit needs to perform...

Electric cooling fans demand reliable switching that won't fail under track or street conditions—the Painless Wiring 30101 relay delivers the durability and amperage capacity you need to control high-demand fan systems without voltage drop or relay...

A reliable relay is the backbone of any custom wiring harness, and this Painless Wiring micro relay delivers the switching precision you need without the bulk. Whether you're running auxiliary lighting, fans, or fuel pumps, a quality relay isolates your...