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Testimonials

Thanks for the fast service and I'll be shopping with you more for my 04 Tarmac Black Evo8 parts .. and the web site is great
lots of after market stuff for you and your Evo here just would love to see 1 item a hood scoop for the water issuse i live in seattle and get alot of rain here if you guys could find somone that makes a air intake for the
OEM carbon fiber hood that would make alot of evo owners happy i think thanks for a great place to shop for my Evo and ... thanks the shirt is sweet too :)

EvoVIII

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AMS CNC Cylinder Head - EVO 8/9

Product Description

The AMS EVO VIII/IX CNC Cylinder Head is the best performing and most developed design on the market. After countless hours of testing we came up with a port design that offers more than just peak flow numbers.

Flow bench numbers don't always tell the whole story. Most vendors just state their peak flow at max lift. Their head may flow 270 CFM at .500 lift but what about flow at lower lifts? The flow at low, mid and high lift has to be balanced a certain way to achieve the most effective power curve. We have developed a CNC program that not only brings consistent performance and quality but also makes the most power of any head that we've ever tested including our old design!

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