Description:

SOLD as a PAIR, PRICE per SET

At Borowski Race Engines, our RHS LS3 cylinder heads with our CNC port work go on most of our builds which call for 4-bolt heads.  We like them for their price, performance and quality.  They are cast in newer molds than other heads which makes them more dimensionally consistent. We have found that they show less core shift than other brands.  This allows us to run our killer CNC porting with totally consistent results. 

RHS Pro Action™ GM LS3 Rectangle Port Aluminum Cylinder Heads have the same architecture as factory heads - all stock components will fit without issue.  

Our machining includes:

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

We assemble these heads with either Manley or COMP Cams high performance spring kit and valves depending on parts availability and customer preferences.  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 videos below to see these heads getting machined and running on the dyno, both naturally aspirated and boosted.  

 Naturally Aspirated

Boosted

Sold as a Pair. 

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

Part# BRE043598