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Arrington HEMI Engines

Arrington Performance HEMI Engines are known for their power and reliability. You can start with one of our standard blocks (forged 392, forged 345, 426 stroker) or get one built just for your application. The Arrington engine builders pour all of their NASCAR engine building knowledge into each HEMI engine they produce. Short block, long block, or full crate engines let you choose from a variety of setups.

Popular and Easy HEMI Mods

Just getting started? These categories are the "getting started" list for modifying your modern HEMI engine. Some are appearance oriented and some are for performance. There is something for every HEMI owner here.

Gifts For HEMI Enthusiasts

Browse our collection of "getting started" add-ons and gift items for any HEMI enthusiast.

HEMI Power Adders

Power adders force more power from your HEMI power plant. These HEMI power adders are designed and engineered for your specific application. Look no further if you want to add Towing Power to your Ram 1500, you commute in your Dodge Charger everyday, or race your Dodge Challenger on the weekends.

HEMI Bolt On Performance Parts

Bolt on increased horsepower and torque without invasive modifications to your HEMI engine with simple upgrades that increase the horsepower of your engine in as little as fifteen minutes and provide reliable power. Try out an API signature throttle body and cold air intake combination or upgrade the exhaust system to unleash the HEMI's classic muscle car sound.

HEMI Engine Performance Parts

Add performance parts to your mild to wild engine build to get the horsepower you want. Arrington selects and sells only the parts that offer you reliable performance for your HEMI engine. These parts will allow you to complete your build or eke out the extra torque you need to win.

Suspension And Wheels

Getting power to the ground and smoothing out the ride of your performance LX or LC all comes down to the suspension and tires. Lower the profile of your Challenger with a set of coil overs and wheels and tires or Improve the steering and driving characteristics of your ride with a strut brace and new set of bushings.

Transmissions

Replace a worn out clutch, upgrade to a race inspired higher stall torque converter to transfer the power from your new HEMI to your drivetrain more efficiently. Upgrade your NAG1 Transmission to withstand the power of your HEMI stroker engine.

Driveshafts & Axles

When increasing the power of your HEMI don't forget to upgrade your axles and rear end to withstand the higher torque and horsepower output. With an upgraded driveshaft or axle assembly you can safely transfer the horsepower from your transmission to the tires.

Appearance

Look no further to upgrade the class of your HEMI powered ride. Dress up your HEMI engine bay with billet cap covers or add chrome accents to your interior. Want to decrease weight with a carbon fiber deck lid and hood? Look no further. Get show quality finishes and the custom fit you want the first time with API's selection of HEMI Appearance products.

HEMI Transplant and Restoration Mods

Looking for a Jeep Wrangler HEMI conversion or want to add a Gen III HEMI to your classic muscle car? Arrington Performance has you covered. From a Carburetor conversion for your HEMI to a complete ready to rock HEMI crate engine you can get your parts here.

Fuel Systems and Oiling Components

Going lean? When you increase the air volume or add a power adder to your HEMI you need to add more fuel too! Check out these fuel systems and Oiling system components to keep your Air/Fuel ratio right and your HEMI engine clean and well lubricated.

Racing and Safety Equipment

Anyone headed to the track knows that staying safe is not only a want but also required by some class regulations. Get the stopping power you want with an upgraded set of brakes or get the safety you need to run in a high speed class like a roll cage, engine diaper, or driveshaft safety loop.

Calibration, Gauges and Electronics

HEMI engine tuning and handhelds are used to address not only drivability issues but to properly calibrate your ECU and TCM to run correctly with installed performance parts. Already have a calibration? Install a boost or air/fuel gauge to monitor your HEMI engine's stats in real time.

DId you know about our Hellcat 426 short block?
Need 1000HP? - here you go.

TRAKit at Ultimate Street
Car Challenge in NOLA!
Arrington Powered.

Watch the Arrington Performance Intro

Fuel Hats

Install a new fuel hat to optimize the fuel pressure in your HEMI. These fuel hats are designed to be used with min to max Horse power ranges.

API Competition Single Pump Fuel System

Competition Single Pump Fuel System The API Competition Single Pump Fuel System by Arrington Performance eliminates the stock fuel pump and replaces it with a single high output turbine pump. This system utilizes a turbine 262 pump that is designed specifically for Pump Gas and High Octane Race Fuels NOTE: This system is NOT compatible with alcohol-based fuels including E-85. This fuel system is rated for 700 horsepower based on current testing. The system utilizes the stock fuel basket and...

Product Rating:

MSRP:$586.99

SKU:API-BFH-3B

Dimensions:8 x 8 x 4

Weight:10.0 lbs

Price:$559.00

Competition 1500 HEMI Dual Pump Fuel Hat

API Competition 1500 HEMI Dual Pump Fuel Hat The Arrington Performance Competition 1500 Fuel hat was designed for the extreme enthusiast. For HEMI engines running stroker engines sprayed with high shots of nitrous, high boost capable turbocharger systems, or high boost superchargers, this twin fuel hat system provides a complete in tank solution. By upgrading your HEMI fuel system you can support your current setup and prevent starvation if additional modifications are made. Arrington...

Product Rating:

MSRP:$799.99

SKU:API-API-Dual-FHat

Dimensions:20x15x10

Weight:20.0 lbs

Price:$679.99

Wiring Harness for Arrington Competition 1500 Dual Pump Fuel Hat

The API Fuel Hat Wiring Harness This heavy gauge wiring harness makes installation even easier and provides the much needed functionality some of our competitor’s kits lack. This wiring system replaces your small diameter OEM wiring, which was not designed to handle the electrical draw from a multiple pump setup. The harness includes the in tank retrofit kit to allow utilization of the factory fuel siphon. In addition to the parts and pieces for in tank installation, the harness includes an...

Product Rating:

MSRP:$374.99

SKU:API-API-Fuel-Wiring

Dimensions:20x15x10

Weight:10.0 lbs

Price:$299.99

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