Holley EFI Gauge Power Extension Harness | 553-141

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR(R) Sprint(R) Cup team and nearly every NHRA(R) Pro Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GMs LS engine. Holleys products also include performance fuel pumps, intake manifolds & engine dress up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers, Flowtech Headers, NOS Nitrous, Weiand, Earls Performance Plumbing, or Diablosport - Holley products can give you the edge you need over the competition.