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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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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LS FEST WEST 2021 EVENT RESULTS

The fourth annual Holley LS Fest West is in the books and it was an absolutely amazing time! Our entire staff of gearheads enjoyed being able to get back out and put on an event

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Hoonigan Conducting “This vs. That” Casting Calls at LS Fest West

4/21/2021: Holley’s LS Fest West is only days away and we’ve got an exciting update for event participants. Hoonigan, our presenting media sponsor, will be conducting a casting call for their popular YouTube series “This

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Pre-Registration For Holley LS Fest In Las Vegas Is Now Open!

We are extremely excited to announce that preregistration for the 2021 Holley LS Fest in Las Vegas, Nevada is now open! If you missed us last year (and we know you did, we saw the

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LS Fest East 2020 Results & Event Coverage

LS Fest East 2020 is a wrap! Thanks to everyone for understanding what we had to contend with to make this year possible and for coming out and participating and spectating. We were truly honored

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Holley Announces Cancellation of LS Fest West 2020

Unfortunately, Holley's LS Fest West event most recently scheduled for June 12-14th, 2020 in Las Vegas has been canceled. The state of Nevada is taking a phased approach to reopening, and at this time, there

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Holley Announces New Date For LS Fest West 2020 With An All New Twist!

Due to the current lockdown, we’ve decided to move the date of Holley LS Fest West in Las Vegas. The event will now be held the weekend of June 12-14, 2020 and to beat the

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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).