RLZ Engineering opened for business in 2001 as Speed Innovations and quickly gained a reputation for being the go-to shop for local enthusiasts as well as racing pros around the world. With roots in professional motorsports such as NASCAR and NHRA Drag Racing, RLZ has the experience and expertise to complete even the most challenging projects - from engine builds & custom turbo kits, to dyno tuning and complete cylinder head packages.


RLZ has established solid relationships with many of the top performance part suppliers in order to offer our customers very competitive prices. Coupled with our state-of-the-art in-house machine shop, we are able to offer the following services with unparalleled quality, all performed in our 5500 square foot facility:

  • 5 axis CNC machining (Haas VMC)
  • Digitizing and CAD-CAM
  • Cylinder Head Porting
  • CNC Valve Jobs (Newen Seat & Guide Machine)
  • Cylinder Head Flow Testing (SuperFlow SF-600)
  • Line-boring of Cylinder Head Cam Journals (only a handful of shops nation-wide offer this service!)
  • CBN Engine Block & Cylinder Head Surfacing
  • Complete Engine Builds
  • Engine Block Machining
  • Build & Install Custom Turbo Kits
  • Dyno Tuning (Dynapack 3000)
  • Lathe work
  • TIG Welding (Miller AeroWave 400 & Miller SynchroWave 180)
  • MIG Welding (Millermatic)

Clearly, we have the ability to deliver a level of performance that is usually reserved for elite race teams. As a result, RLZ Engineering  customers receive a level of performance that is not typically available to the consumer market. For maximum horsepower, peak  performance, and low ETs, RLZ can exceed your expectations.


"RLZ Engineering… Where the best come to get better."


RLZ Engineering, where the best come to get better. Our 5500 square foot facility is located just outside Charlotte in Concord, North Carolina, making us neighbors to many other cutting-edge race shops – Concord is also home to Lowe’s Motor Speedway & the new Z-Max Dragway, and nearby is Mooresville, better known as Race City USA. RLZ ENGINEering offers professional engine building services, custom machining and tuning for racers and enthusiasts around the world.

 

RLZ ENGINEERING
Specialists in preparing and modifying cylinder heads for professional motor sports.

  • Years of providing winning edge technology for race teams including ROUSH RACING, EVERNHAM MOTORSPORTS, CALE YARBORO RACING, and LaCROSS ENGINE DEVELOPMENT
  • Personal performance in WINSTON CUP (now NEXTEL CUP), IRL,PROSTOCK MOTORCYCLE, NEW ZEALAND V8 SUPER CARS, SCCA ROAD RACING Leagues
  • A highly selective design and development program for our cylinder heads using elite parts, premium tools and machines, and time-tested processes and methods
  • Ability to deliver a level of performance usually reserved for the most elite race teams

RLZ ENGINEERING possesses the experience and expertise
to give its customers a level of performance
that is not typically available to
the consumer market.