Welcome to Xtreme Horsepower

Xtreme Horsepower now has added Packages for the new American Muscle cars. The new Chevrolet Camaro, Dodge Challanger and the Ford Mustang packages are available now with quality products from names you trust. The Xtreme line of products has years of development, dyno and track proven testing for your car and expands our existing support to our streetrod customers. Installation and service is available from the Pro’s at Xtreme.

Located in the Dallas Fort Worth area, Xtreme Horsepower has all your solutions for today's drag racing , road racing, circle track and street performance needs. We are a full service shop with 6 service bays and chassis dyno for all your tuning needs. All of our engine builders are Trained & Certified Machinists & Engine Builders from the School of Automotive Machinists (Houston, Tx).

New for 2011 Xtreme Horsepower is offering Off-road V8 Conversion Packages.

Check them out here

Off Road V8 Conversion

Featured products

See details JEEP LS Conversion These LS packages come with many options to select from. This package includes: a modern LS fuel injected engine, transmission, fuel system,cooling,wiring,transfer case mods, and all components to give you a drivers vehicle ready for on and off road fun. Our price: $15,350.00 See details XTREME HORSEPOWER 454 SHORT BLOCK This Xtreme Horsepower 454 is a GMPP LSx block with plenty of strength for a 400 shot of nitrous and additional options available. The base short block comes with a Callies 4.125” 4340 steel crankshaft, Callies Compstar rods, ARP 2000 rod bolts, Clevite H main and rod bearings, ARP main studs, an...  Market price: $6,795.99 Our price: $6,195.99 save 9% See details Professional Dyno Tuning 2010 CAMARO TUNING NOW!! ECU flashing starts at $200 Basic, GM, dyno tuning $450 Boost and Nitrous tuning starts at $550 Call for a quote or schedule an appointment. 817-503-8947 Our price: $450.00 See details LS Crate engine install The new Engine Assembly installation is available from the Pros at Xtreme Horsepower. We have been transplanting these GM LS beasts into all styles and years of makes for 5 years. We can make your hotrod a daily driver with over 400 hp and 25+ mpg. Parts are available at additional costs.  Market price: $6,995.00 Our price: $3,995.00 save 43% See details JEEP Hemi Conversion These Hemi package come with many options to select from. This package includes: a modern Hemi fuel injected engine, transmission, fuel system,cooling,wiring,transfer case mods, and all components to give you a drivers vehicle ready for on and off road fun. Our price: $20,900.00