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GM Factory LSA/LS9 Heads

GM factory LSA/LS9 heads found on the Corvette ZR1, Camaro ZL1 & Cadillac CTS-V,  these factory supercharged powerplants will see huge horsepower gains unlike any other with our heads! Available through Xtreme CFM, done up the way we know best, to provide you with the most power producing head out there!

 

All xtreme cfm cylinder heads have gone through extensive research and development to provide you with the most powerful "out of the box" heads available on the market.

 

In development, our main objective was to provide the highest flow possible without ever sacrificing air speed in order to achieve it and staying within strict sizing constraints of each port. Not just emphasizing on flow alone, all aspects of the port were addressed with proper port shape, velocity, cross section and volume, with the end result of an extremely efficient head.

With our in-house 5 axis CNC, we are now able to meet the tight time frames of demanding performance shops and maintain the highest quality of our port work, which we take great pride in our hand porting and now are able to reproduce that same quality. Alot of work, time and R&D has gone into designing a port profile that we are extremely happy with the end result. These Heads are specifically designed and configured for a boosted application unlike any other CNC head out there.

 

Turn-around time on these heads is just over a week from the time we receive your castings.

Price:  $1350.00

Fully CNC Race Ported bare castings: (base price)

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Call for options, spring kits and pricing, all heads are custom built to customers specifications.

Customer supplied core

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