Holley LSFest | A celebration of everything and anything powered by the incredible GM LS engine!

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LSFest West

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LSFest Bowling Green

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The Events

Holley LS Fest is a celebration of everything and anything powered by the incredible GM LS engine! If a 1997 or later LS based or current generation LT V8 engine is powering your ride or if you are considering a swap to LS power, this is your event! Race cars, street rods, rat rods, muscle cars, trucks, late models – you name it, if it is being powered by an LS there will be something here for you! Take part in our drag racing classes, autocross, 3S Challenge, burnout challenge, off-road challenge, Show-N-Shine, and more! Event/class champions will be crowned as well as an overall event champion for those that want to compete in multiple events. Check out the rest of the site and make plans to join us!

News and Announcements

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2019 LS Fest East Event Results

LS Fest X is officially in the books and after 10 years of mayhem, we’re excited to say that this has been our biggest event ever! With over 35,000 attendees, 1,714 participants and 107

Gone Postal! – LS Swapped Mail Truck

David Stacy has gone postal at Holley LS Fest East with his LS swapped mail truck. His LS-powered postal truck will guarantee overnight burning rubber delivery. Watch him send it at Beech Bend drag strip

Tom’s Turbo Garage 2004 Mazda Miata Speed LS3 Conversion

This year at Holley's LS Fest we met with Tom from Tom's Turbo Garage. Tom drove his LS3 swapped Mazda Miata Speed all the way from Knoxville, TN. This Mazda is super clean and sports

Terminator X Sloppy Mechanic Matt Happel’s Project 8F8

Sloppy Mechanics' Matt Happel makes Holley's LS Fest with Project 8F8 in tow. Project 8F8 packs a host of Holley products including a Terminator X. Get the low down on just what went down at

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LSXmag.com

LS Fest West 2019 is right around the corner, and this year, LSX Magazine wants to do something special for one lucky participant. As they cruise through the show admiring all of the awesome LS-swapped

The Brick – Coy Hudnall’s 1975 Bricklin SV1 LS Swap Project Car

Holley Engineer Coy Hudnall and his wife Sarah have been looking for an LS Swap project car they wouldn't be afraid to customize and make their own. Being a fan of gull-wing doors and Lamborghinis,

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Holley Introduces

Our New and Hot LS Products

Holley Mid-Mount LS Accessory Drives

Holley Mid-Mount Complete Accessory Systems pull all the accessories for your GM LS engine in tighter than ordinary accessory drives for a clean, compact look. At the heart of it is the revolutionary “bracketless” design (patent pending), where all accessories attach directly off the water pump for an integrated look that shows off your horsepower – not your accessories.

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Hooker LS Cast Iron Turbo Manifolds

Holley’s new LS Turbo Exhaust Manifolds are made from cast iron and allow a simpler and easier way to add a turbo to your muscle car. These manifolds are made from High-Silicon-Moly ductile iron and are much more durable & retain more heat than fabricated headers. The manifolds kits include v-band clamps & flanges, heater hose heat shield, and header bolts. A turbo cross-over tube is used to connect the two manifolds (sold separately).