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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 cylinder head projects.

   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)

Prices Include to & from shipping unless otherwise stated.
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RLZengineering B-Series Cylinder Head Service Street/Strip NA or Turbo 250-800 WHP RLZengineering B-Series Cylinder Head Service Strip/Race Turbo 800-900 WHP
Our Price: $999.99
Our Price: $1,299.99
RLZengineering B-Series Cylinder Head Service - Street/Strip up to 850whp RLZengineering B-Series Honda Acura Race Cylinder Head Service 5 axis CNC - Street/Strip up to 900whp
RLZengineering B-Series Cylinder Head Service Outlaw Turbo 1100 WHP RLZengineering B-Series Cylinder Head Service Extreme Outlaw Turbo 1200+ WHP
Our Price: $1,599.99
Our Price: $2,199.99
RLZengineering B-Series Honda Acura Outlaw Cylinder Head Service 5 axis CNC - Outlaw Valve Job up to 1100whp RLZengineering B-Series Honda Acura Extreme Outlaw Cylinder Head Service 5 axis CNC - Outlaw Valve Job up to 1200whp