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World Class HEMI Engine development, shopHEMI.com & Chrysler Designated Vehicle Calibration Support

Chrysler Designated Vehicle Calibration Support shopHEMI has been building HEMI engines since the beginning. We specialize in
applying our winning NASCAR racing technology to power up your street car.
More about Arrington Performance

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Brian's Arrington Performance Supercharged 5.7L HEMI 2012 Challenger R/T.

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Bill's Arrington Performance Powered & Supercharged 392 HEMI 2012 Challenger.

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Jim's Arrington Performance 426 HEMI Powered, API 12lb Hi-power Supercharged 2012 Challenger SRT8.

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Chad's 2010 Challenger 6.1L HEMI SRT8 Sporting the Arrington Performance Powertrip Package!

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Tony's Arrington Performance 5.7L HEMI Powered, Procharger Supercharged 2010 Challenger R/T.

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Tony's Arrington Performance 426 HEMI Powered, Hurst Supercharged 2009 Challenger SRT8.

HOT NEW HEMI Parts

HEMI BBQ SAUCE
HEMI BBQ SAUCE: The original Mopar recipe to HEMI power your next meal. Next time you grill out let others...
Arrington Performance Billet 84mm Throttle Body
2013 and up Arrington Performance Billet 84mm replacement for Magneti Marelli Throttle Bodies In...
S/E HEMI Catch Can by Arrington Performance
This product is currently on backorder. Estimated Shipping week of 7-7-2014. Order now to be sure your...
Arrington Performance 2011 and up 5.7 and 6.4 HEMI Phase 6 Heads and Camshaft Package
Our most popular parts package is now available for 2011, 2012, 2013, and 2014 HEMI Vehicles! Add up to...
API Competition Single Pump Fuel System
NOW Shipping.Competition Single Pump Fuel SystemThe new API Competition Single Pump Fuel System by...
API Black Box Handheld Tuner
Arrington introduces a fully functional handheld tune loader for 2011-2012 HEMI Vehicles!Available and...
HEMI Hi-Power Supercharger Kit by Arrington Performance
Arrington Performance HEMI Supercharger Maximum horsepower for your HEMI from a TVS supercharger! This...
HEMI Air Oil Separator By Arrington Performance
This part is out of stock and is being superseded! Stay tuned for the new and improved API air/oil...
HEMI 90mm Cast Throttle Body
The Arrington 90mm Cast Throttle Body The 90mm Cast Throttle Body is well suited for 5.7 or 6.1 HEMI...
Competition 1500 HEMI Dual Pump Fuel Hat
API Competition 1500 HEMI Dual Pump Fuel Hat  The Arrington Performance Competition 1500 Fuel hat was...
Arrington Performance CNC Ported 6.4L 392 HEMI Heads
Arrington Phase 6 CNC Ported Heads for 2011 and up 392 (6.4L) SRT8 Chargers, Challengers and 300Cs are now...
Arrington Performance Challenger / LX Strut Tower Brace
Arrington Performance now offers a performance strut tower brace for the Dodge Challenger, LX Charger, and...
Arrington Performance HEMI Competition Fuel Rails
API HEMI Fuel Rails Whether you are looking to increase your fuel supply to your high performance HEMI or...
6.4 VVT HEMI Engine to 426 HEMI Stroker Short Block
The next generation of the most popular Modern Stroker HEMI is now available from Arrington Performance....
Arrington Performance 392 HEMI Cold Air Intake - Carbon Fiber
New Improved Design!!!! 392 HEMI Cold Air Intake for 2011, 2012, 2013 SRT8 Challengers, Chargers &...
6.4 Based 426 HEMI Stroker Long Block
6.4 Based 426 HEMI Long Block Upgrade your 6.4L HEMI to our Gen III 426 HEMI.Add your own performance...
Arrington Performance 2011-2013 Challenger and Charger 5.7L HEMI Carbon Fiber Cold Air Intake
2011-2013 5.7L Challenger and Charger Carbon Fiber Cold Air Intake Arrington Performance now offers a...
2013 5.7 | 6.4L SRT Challenger/Charger/300 CNC Ported Throttle Body 87mm
The Modern Muscle 87mm 2013 5.7 | 6.4L SRT CNC Ported Throttle BodyNow Available for the 2013 Chrysler...
2013 5.7L HEMI Hi-Power 8LB Supercharger Kit by Arrington Performance
All Arrington Performance Supercharger Kits now have an innovative and stylish new case design that you...
2013 6.4L HEMI 6LB Supercharger Kit by Arrington Performance
API only recommends 8lb Supercharger kits on reinforced or forged bottom ends in 2013 392 engines. This...

Joe C.’s Challenger with Aluminum 449 HEMI with API Twin Turbo Kit and tons more...

Aluminum 449 HEMI with API Twin Turbo Kit

From time to time our customers ask for a build that lines up with our R&D projects. These Guiney Pigs end up with smoking power they wanted when they came to Arrington Performance but also get some nifty upgrades that we haven’t even got out to the public yet! Over the next few months we will be overhauling Joe C’s Challenger. This will be an all-out test of our new Twin Turbo System as well as general horsepower tolerances of the Arrington 449CI Aluminum HEMI Engine. But we aren’t stopping there. This build will also feature our new Competition 1500 Fuel System, O-ring upgrades to the Phase 4+ Ported Heads, and a new custom 6 Point roll cage and 5 point racing harnesses. Check out this full build including the Dynatrac Pro 60-IRS rear end, Custom Dana 60 Drive Shaft, API Automatic Drive Shaft Safety Loop and API’s new 1-5/8 Sub-Frame Connectors and...

Arrington Performance HEMI Stroker Engines

Arrington’s NEW LOWER-PRICES-HEMI-STROKER-ENGINES

Same Trusted Performance now with a lower price tag! Arrington Performance is bringing our winning combinations to you at a new low price you can’t resist. API and ShopHEMI.com has worked with our suppliers to bring you the best HEMI stroker engines on the market at a price you can’t beat. We use crankshafts and connecting rods from 4340 forgings, machined on state of the art CNC machining centers, heat treated to increase tensile strength, shot peened to improve fatigue life, nitride treated to increase wear resistance and 100% magnafulx particle inspected to insure there are no imperfections in Arrington Performance Stroker HEMI Engines...

New Improved Design!!!! 392 HEMI Cold Air Intake for 2011-2013 SRT8 Challengers, Chargers & 300Cs

arrington-performance-392-hemi-cold-air-intake-carbon-fiber

The redesigned Arrington Performance Cold air intake for 2011 and 2012 392 HEMI releases in two weeks. This new intake incorporates all the performance of API’s current version of the 2011-2013 SRT8 HEMI cold air intake but now boasts improved quality and a seamless air transition to the throttle body and angled intake manifold. Also included in this kit is a full carbon fiber heat shield lid to compliment the aircraft grade carbon fiber tube. This kit is a dramatic improvement on Arrington’s first on the market CAI for the HEMI 392 motors.

Whipple HEMI Supercharger

Whipple Supercharger For The HEMI

Whipple Superchargers plans to release their all-new lineup of 2.9L twin-screw supercharger kits for the Dodge Challenger, Charger, Magnum, and Chrysler 300c in the coming months. Whipple, who has manufactured twin-screw blowers since 1987, has designed a 100% complete, bolt-on, and intercooled twin-screw supercharger system designed from the ground up for your 5.7L, 6.1L, or 392 HEMI engine. While the system was engineered with stock engines in mind, it has enough capacity to...

Diablosport InTune

Diablosport InTune

The DiabloSport inTune is the next generation of tuning tools, a total revolution in the tuning industry. The inTune contains innovative features that will not available from any other company in the aftermarket for years to come. DiabloSport's inTune replaces their current Predator line with a sleeker touch screen unit. Unlike current Predator models which only support a few vehicles, the InTune supports a wide range of performance vehicles....

Arrington Performance Transmission Solutions

Arrington Performance Transmission Solutions

ShopHEMI now offers a full lineup of Arrington Performance transmission solutions. Each HEMI transmission is purpose built by NAG1 specialists to maximize the performance of your specific vehicle, power output, and engine type. We have race and street proven NAG1 setups designed for HEMI engines with Twin screws superchargers, centrifugal superchargers, turbochargers, NA stroker internals, and bolt-on modifications...

Arrington Introduces Its New Line of Performance Camshafts

Arrington Performance Camshafts

Arrington has just revamped its line of high performance camshafts. These new camshafts have been engineered with the latest technology to give your HEMI engine the maximum horsepower and torque. ShopHEMI offers the ST-3A and SR-2B to complement your Dodge, Chrysler, or Jeep motor....

View Older HEMI News

Edelbrock E-Force HEMI Superchargers
10.01.10 Mopar Introduces 2011 Dodge Challenger Drag Pak V10
HEMI Jeep SRT8 Carbon Fiber Cold Air Intake by Arrington Engines
Dodge Challenger Strut Tower Brace by Petty's Garage
Arrington Cast Throttle Bodies Now Shipping
HEMI News, Product Releases, Exclusive Performance Part Discounts

Fitzsimmons Wins Stock Title At NHRA Gatornationals

Charlie Fitzsimmons NHRA Win

The Arrington Powered, 2010 Dodge Drag Pac Challenge won both the class and division in Florida. Driver Charlie Fitzsimmons got his first National event win by running a 9.928 ET in the last round of the Tire Kingdom NHRA Gatornationals. The Larry Pontnack and Larry Griffith co-owned 2010 Mopar Challenger Drag Pak that Charlie drove in his Gainesville victory is sponsored by Arrington Performance and ShopHEMI.com. Charlie's Gatornational win is another example of how Arrington HEMI racing technology helps racers win. The following is...

2 Bar VS 3 Bar Map Sensors

2 Bar VS 3 Bar Map Sensors

Customers sometimes ask, how do I tell the difference between a 2 bar and a 3 bar map sensor? The image below shows the difference between the two boost sensors. As you can see, it can be hard to distinguish between the two. even with the 2 sensors side by side. Notice that they both have the same part number on the first line, but the 3 bar sensor on the left has two additional lines of numbers. Whereas the 2 bar sensor on the right has only one additional line...

Advantages of Mahle Forged Pistons

Mahle Forged Pistons

While MAHLE supplies OEM pistons for the HEMI 5.7 and the 6.1L engines, which are cast and designed only to accommodate the OE manufacturers original specifications, the ones supplied to Arrington Manufacturing / ShopHEMI by MAHLE Motorsports are the forged variety.The following information is useful to help distinguish between...

New Arrington Edition High Performance Brake Kit

Arrington SRT8 Brake Kit

Arrington has partnered with Alcon to bring you a superior high performance brake kit to the HEMI market. This kit fits 5.7L V8 Challenger R/T, Charger R/T, Magnum RT, and Chrysler 300c and is a great bolt-on for owners who want a lot more stopping power...

New Arrington Edition High Performance Cold Air Intake

Arrington Carbon Fiber Cold Air Intake

The Arrington Carbon Fiber Velocity Cold Air Intake is a custom carbon fiber cold air intake that takes full advantage of the airflow capabilities of our Arrington Signature or cast throttle bodies. Arrington's 5.7 / 6.1 HEM intake can also increase the horsepower output of a stock 85mm throttle setup. Designed for your high horsepower HEMI engine...

View Older HEMI Tech

2011 Dodge Challenger SRT-8 392
ShopHEMI Now Carries Spec Clutch Kits
5.7 L and 6.1 HEMI Engines With Arrington Racing Technology
01.02.08 Arrington Engines and Performance Parts Now Available to the Street
HEMI Engine and Performance Parts Updates at The shopHEMI.com Press Room

Sam U. Hits 195 MPH at the Texas Mile

Hemisam 195 mph Texas Mile

ShopHEMI is excited to announce that Sam U., of Houston Texas, has posted a personal best top speed of 195 miles per hour in the standing mile. Sam, who is better know as “Hemisam” to LC forum members, has gained notoriety by becoming the world's first late model 6-speed Challenger driver to run a quarter mile in the 10s during a competition. Sam utilized an Arrington 392 stroker motor and an Arrington modified Magnuson supercharger to produce his power. Since recording his October 15th, 2011 record setting E.T. of...

shopHEMI.com True Street Featuring AJ B. & His Dodge Charger

Dodge Challenger

AJ: 6:00pm... Decided to drive my Arrington Performance Charger to the track this weekend to see what she could do. After putting down a all motor, full weight record he then I drove 500 miles back home and picked up some milk on the way. Read more, to find out how shopHEMI.com helped AJ achieve his record time...

True Street Featuring Josh R. & His Convertible Challenger

Dodge Challenger

Josh 1:30pm ... my father and I just took the new Convertible Challenger for a spin shortly after arriving at the Arrington Performance / shopHEMI.com facility. WHAT A BEAST! The addition of the new roll bars and supercharger just put this thing over the top. With 640 plus HP at the wheels, and 660ft lbs of torque, our heads stayed glued to the head-rest well into the triple digits on the speedometer....

True Street Featuring Mike D. & His Challenger

Dodge Challenger

Mike: 12:00pm... picked up my Challenger at Arrington Performance/shopHEMI.com on Frday and took it to the drag Strip in Richmond, VA for the 2011 Modern Street HEMI Shootout Series. On my 3rd run, I put down a personal best of 9.86 seconds in the 1/4 mile! Arrington Performance has been working with me since September of 2009, and has been there to help me constantly push the limits of my Challenger to evolve it into the 9 second monster that it is today...

True Street Featuring Sean K. & His 2009 300c

426 300c

Sean: 5:00pm ... my 300c was just delivered from shopHemi.com. I wanted a sleeper so I chose to keep my stock cam and heads and throw it on a 426 short-block with an Arrington Performance Supercharger. The first drive was insane… this thing has a RIDICULOUS amount of torque that plastered me to my seat when I punched it from a dead stop. They took me from 360 RWHP to over 580RWHP and 688 FT LBS of torque, and this thing still has a lot of room to grow...

True Street Featuring Chris H. & His 2009 Jeep Cherokee

Jeep SRT-8

Chris: 8:00pm ... Couldn't be happier with my entire experience at shopHEMI.com!! They stand behind their products and have some great ones. I have the 11.3 to 1 HEMI 440 Stroker in my Jeep. The N/A motor is an animal, producing nearly 60 more hp and tq than my previous 426. I made 45 passes at a track rental in my Jeep and was chirping 2nd and 3rd gear...

True Street Featuring Rick E. & His 2009 Challenger

426 Challenger

Rick: 9:00am ... just picked up my Challenger at shopHemi.com, with a new 426 Stroker and Supercharger. The first drive was absolutely crazy … I smoked the tires when I punched it at 50 mph … when I got back to the shop, AJ and Alex told me my 426 HEMI had over 700+ RWHP! Can hardly wait for the upcoming car shows and drag races ...

True Street Featuring Sam H. & His 2009 Challenger

2009 Challenger

Sam: 11:30pm... just picked up my challenger from shopHEMI, WOW!!!! I'm so impressed. it sounds amazing at idle and when u get on her its a whole different story! 705rwhp / 709rwtq. drove her for 16 hrs straight with NO PROBLEMS. i figured she would boil in traffic, but she peaked at 187. thank u guys, esp alex and aj … oh, and your barbeque sauce rips too...

Richard Petty teams with shopHEMI.com to power custom 2009 Dodge Challenger

300C SRT8 426

Martinsville, VA, November 1, 2009. Petty’s Garage, the winningest shop in NASCAR history, takes it to the street – by producing performance daily driver cars for the enthusiast market. Their first car out of the chute is a trademark Petty Blue 2009 Dodge Challenger, rebuilt from the ground up as a performance street car. And where else would “The King” turn to for winning power than shopHEMI.com, home of Arrington engines? ShopHEMI.com supplied a late model 426 HEMI engine that boasts 585 bhp, along with an Arrington 90mm throttle body and Signature cold air intake…

Dodge Charger SRT8 becomes a 426 HEMI “Autobahn Burner”

426 HEMI powered SRT8 Dodge Charger With Open Hood

“A 426 HEMI powered American muscle car,” Peter S. of Germany thought to himself. “that is what I need.” He was annoyed with “autobahn arrogance,” that down-the-nose look you get from hotshots who blow by at speeds in excess of 130 mph in their Porsches, Mercedes, Audis and Touaregs. "Can you turn my off-the-lot Dodge Charger SRT8 into a machine that can burn up the Autobahn...

HEMI Power Trip : SRT8 Dodge Challenger - Tons of HP with Bolt-ons

Power Trip - Dodge Challenger SRT8

Ricky E. Of Fayetteville, NC loved his 2009 Dodge Challenger SRT8 but wanted a little more power under his right foot, so he brought his ride to shopHEMI.com. Our team of HEMI engineers and engine builders installed a high performance top end including Phase 4 heads...

HEMI Engine Headquarters Tour

HEMI Shop Tour

Arrington is continuously introducing innovative new applications for late model American muscle cars, classics and hot rods. The company operates from a 105,000 sq. foot facility that houses the finest race engine development, manufacturing and testing program in the business as well as the cutting edge ShopAmericanMuscle.com family of performance parts websites and their staff. Take the tour...

Hemi is our Heritage

HEMI Racing Heritage

Stock car racing took a sharp turn for the faster in the '60s when Richard Petty and his pal Buddy Arrington began driving cars powered by a hemispherical combustion chamber engine, AKA "hemi." In 1964, Richard cleaned house with his Plymouth at Daytona and went on to win 7 Daytona 500s. Behind the scenes…

MOPAR is in our Roots

MOPAR Performance Roots

It all began in 1963 with Buddy Arrington and Car 67. Buddy was an independent NASCAR owner/driver who competed in the Winston Cup series for 25 years, before it became the Nextel Cup. Born near the Martinsville Speedway in Virginia, Buddy began racing as soon as he felt the power of a rear-wheel drive MOPAR...