Holley Efi Blog
Holley EFI 12.3" Pro Dash| 01/15/2019
Sema’s Best engineered product just got bigger and better! Holley’s large 12.3” Pro Dash allows you to monitor engine parameters at a glance and custom tune with your finger tips. There’s even a virtual switch panel to control your accessories. The Pro Dash is a must have for any Holley EFI system.
Riley Stair's Holley EFI-Powered '70 Pontiac Trans Am Has to Be Seen to Be Believed| 01/14/2019
Holley EFI Releases a Large Assortment of New Components| 01/11/2019
Choose from high-flow dual-port boost-control kits, current transducers, EV6 unterminated injector harnesses, unterminated flying-lead main harnesses, and 1/8-NPT sensor blocks.
Ringbrothers Rule SEMA Show Again With Holley EFI-Powered '71 Blazer| 01/11/2019
The incomparable brothers from Wisconsin take on their first 4x4 build.
Holley EFI Powers Pritchett to NHRA Factory Stock Championship| 12/14/2018
She swept the last three races in a Dodge Challenger Drag Pak for a come-from-behind win
NHRA Stock Eliminator Racer Daren Poole-Adams is Leading the Direct-Injection Charge With His COPO Camaro| 12/12/2018
The veteran driver is winning events and stacking up class-win trophies with increasing regularity.
How To Properly Place and Install an O2 Sensor| 11/27/2018
Tom Kise talks about oxygen sensors and where to place an 02 sensor bung in your exhaust and how to properly install them. o2 sensor placement is critical for getting your engine to read the oxygen in the exhaust correctly.
Holley EFI Helps Bring Squarebody Syndicate's 1975 Indy 500 Tribute Truck to Life| 11/15/2018
The truck given to winner Bobby Unser's chief mechanic, Wayne Leary, is recreated from the ground up.
Holley EFI Releases Black 351W Hi-Ram Manifolds| 11/15/2018
Two versions are available – one for 95mm throttle bodies and one for 105mm throttle bodies.
Holley EFI Powered Ultra 4 Buggies Jump A Drift Train| 11/15/2018
Holley EFI Powered Ultra 4 Buggies jump over Nitto Tire drift cars