Comp Cams HRT Stage 3+ Naturally Aspirated 11+ VVT 6.4L Hemi

$636.95

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Fits these vehicles

2011-2026 Chrysler 300 SRT8 6.1/6.4L
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2011-2026 Dodge Challenger SRT 392 6.4L
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2011-2026 Dodge Charger Scat Pack 6.4L
2011-2026 Dodge Charger SRT8 6.1/6.4L
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2011-2026 Ram 2500/3500 5.7/6.4L

Awesome facility and friendly service. The guys at underground are knowledgeable and experienced. They are very courteous and honest...found an issue and they called me in to show me. I really appreciated that honesty especially with so many horror stories… Read more...

Jay P. --- Honda Civic

Great place to store your car and Brandon is great to work with. Definitely recommend for your luxury or sports car storage.
Very clean facility and the showroom/waiting room is always very clean.
Prices are also very reasonable. If you're looking to… Read more...

Jason M. --- Chevrolet Corvette (C4)

I brought my c4 in for a major oil leak which involved removing the S/C , water pump and the balancer which is a major task on these cars. This shop is extremely professional and polite and they did the work perfectly. Not a drop of oil anywhere 4 weeks lat… Read more...

Eric W.

I am from NW Iowa came to the shop for a car show and really like what I see in the shop

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Michael S. --- Chevrolet Camaro

Pretty much like the reviews before mine, the guys at UA provide great service and you can tell they really care about their customers. I brought my camaro to them last summer to have new floorpan sections welded in and to have it rust proofed. I told them… Read more...

Jayashri S.

Awesome people and excellent service! One of the best experiences I've had dealing with auto repairs. Humble, honest and most helpful people on the planet! Definitely recommend bringing your car here!

Brian M.

Awesome shop! Excellent service, would definitely recommend!

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Bryan G.

Great service, amazing attitudes, and awesome suggestions. I cant wait to go back and have more work done.

Undergrou… Read more...

Jeffrey W. --- Mazda Miata

Brandon and Perry, I've been meaning to send this out sooner, but have been very busy with both work and a recent trip. I wanted to thank you guys again for getting my Miata transitioned from "storage" to "track-ready" so quickly a couple weeks ago. Initial… Read more...

Chris G. --- Ford Thunderbird

Perry and Brandon operate an awesome shop, they can handle everything from a full on Road Race car conversion to topping off your A/C and they do it all with professionalism, proficiency, and a politeness rarely seen in the automotive service industry today… Read more...

Nic B. --- Jeep Wrangler

Perry and Brandon are flat out awesome! Great work, great prices, great customer service!!! They've seen my Jeep TJ a few times and have done great work. They are a very well rounded shop! They work on modern sports cars, old classics, trucks, and off-road… Read more...

Zain M. --- BMW 335i

I'd like to start off by saying if you would like your car properly stored, made track ready, or would like any imaginable automobile modification, Underground Autosports is the only place you need go!

Matt, Perry and Brandon were wonderful to work wi… Read more...