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  • Borowski CNC Ported RHS LS3 Cylinder Heads
  • Borowski CNC Ported RHS LS3 Cylinder Heads
  • Borowski CNC Ported RHS LS3 Cylinder Heads
  • Borowski CNC Ported RHS LS3 Cylinder Heads
  • Borowski CNC Ported RHS LS3 Cylinder Heads
  • Borowski CNC Ported RHS LS3 Cylinder Heads
  • Borowski CNC Ported RHS LS3 Cylinder Heads
  • Borowski CNC Ported RHS LS3 Cylinder Heads
  • Borowski CNC Ported RHS LS3 Cylinder Heads
  • Borowski CNC Ported RHS LS3 Cylinder Heads
Borowski CNC Ported RHS LS3 Cylinder Heads Borowski CNC Ported RHS LS3 Cylinder Heads Borowski CNC Ported RHS LS3 Cylinder Heads Borowski CNC Ported RHS LS3 Cylinder Heads Borowski CNC Ported RHS LS3 Cylinder Heads Borowski CNC Ported RHS LS3 Cylinder Heads Borowski CNC Ported RHS LS3 Cylinder Heads Borowski CNC Ported RHS LS3 Cylinder Heads Borowski CNC Ported RHS LS3 Cylinder Heads
Borowski CNC Ported RHS LS3 Cylinder Heads

Type: Cylinder Heads
Vendor: RHS

Description:

At Borowski Race Engines, our RHS LS3 heads with our CNC port work go on most of our GM 6.0L block builds.  We like them for their price, performance and quality in their 4-bolt head category.  And we have a great CNC porting program for them.

RHS Pro Action™ GM LS3 Rectangle Port Aluminum Cylinder Heads have the same architecture as factory heads - all stock components will fit without issue.  They are made with premium materials and we have found that they show less core shift than other brands.  This allows us to run our CNC porting with totally consistent results. 

Our machining includes:

  • CNC porting of intake & exhaust runners to 280cc and 95cc respectively,
  • CNC Newen valve job,
  • Resurfaced firing deck

We assemble these heads with COMP Cams high performance spring kit and valves.  Have something else in mind for valves and springs?  No problem.

Because we use a lot of these heads ourselves, they are normally in inventory and available for immediate shipment.

Make sure you watch the video below to see these heads getting machined and running on the dyno. 

Sold as a Pair. 

Accepted Payment Methods PayPal, Money Order, Credit Card, Cash

Part# BRE043598

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