Holley Archives - UnderhoodService
Holley Now Offers Coyote Oil Pan

The new design utilizes a stock Coyote engine gasket and baffle assembly to provide factory-like sealing and windage characteristics.

Holley Expands Electric Fuel Pump Lineup

Holley re-engineered its Mighty Mite fuel pump line with two new options for 1.5-4 psi and 4-7 psi carbureted applications.

Enter To Win Holley’s Twin Supercharged LS Engine Giveaway

Holley has partnered with Prestige Motorsports to give away an awesome powerplant to one lucky winner.

Flowmaster Releases 3.5″ Exhaust For 2010-2020 Toyota 4Runner

Listen to the new FlowFX cat-back exhaust system for Toyota 4Runners.

Holley Announces Retro-Fit Power Steering For GM LT4/LT5

Versions of the power steering drives are available for LT4/5 dry-sump and LT4 wet-sump applications.

Holley EFI Expands Terminator X And Terminator X Max LS Lineup

Now available are Terminator X systems for LS1 engines with EV6, LS2/LS3s systems for late-model trucks, and Terminator X Max systems for numerous drive-by-wire/multi-point-fuel-injection applications with electronic transmission control.

Flowmaster Releases Cat-Back Exhaust Systems For GM, Ford And Nissan Trucks

Holley announces the release of three new cat-back exhaust systems from Flowmaster – an American Thunder system for 2019 GM Silverado/Sierra 1500 and FlowFX systems for 2015-19 Ford F-150 and 2017-19 Nissan Titan vehicles.

Hooker BlackHeart Releases Dodge Charger And Challenger, And Chrysler 300 Shorty Headers

Holley announces the release of Hooker BlackHeart Dodge Charger and Challenger, and Chrysler 300 Shorty Headers. Created specifically for these applications, they deliver maximum gains of 14.7 horsepower and 15.7 foot-pounds of torque on the dyno. They’re up to 50 percent (16 pounds) lighter than ordinary stock exhaust manifolds and made of 18-gauge mandrel bent 304 stainless steel for factory-like fitment and maximum performance, said the company.

Mr. Gasket Announces Complete Line Of Header Gaskets

The release of Mr. Gasket header gaskets covers everything from daily drivers to all-out race cars.

Holley EFI Training Now Available At EFI University In Arizona

At EFI University, courses are available at three different levels: Introduction to EFI, Advanced EFI Concepts and High Performance Engine Tuner Certification.

Holley Announces LS Swap System For Third-Gen GM F-Bodies

Holley announces the release of LS swap components for third-generation Chevrolet Camaros and Pontiac Firebirds. The GM third-generation F-Body has evolved from an oft-forgotten sports car of the 1980s into a capable and budget-friendly platform for hot rodders and racers of all walks of life.

Earl’s UltraPro Series Hose And Fittings

Modern day high-performance vehicles require a plumbing system designed to withstand today’s modern fluids, harsh environments, brutal vibration, flow requirements and extreme pressures. The UltraPro series from Earl’s was engineered as a system to exceed the rigorous demands of even the most extreme forms of racing, but is also equally at home on the street.