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Vigilante Performance Cylinder Heads

Vigilante Performance supplies cylinder heads from a variety of manufacturers in all performance levels, in either off the shelf or application specific custom versions. Coverage includes GM LS Series. Small and Big Block Chevrolet, 2V-4.6L Ford Mod Motor, Small Block Ford, FE Series Ford, in addition to Small and Big Block Block Chrysler.

ProMAXX Cylinder Heads
ProMaxx is a family owned business that began in 2012 by purchasing, and expanding on, the remnants of Patriot Performance and Alabama Cylinder Head Exchange. Specializing in all types of cylinder heads, from diesel to performance, the ProMAXX performance line has become a passion....with the mission of providing the best performing cylinder heads on the market at a price that cannot be beat. With over 30 years of racing experience at nearly every level from Brackets to Pro Mod and Pro Stock we have learned what works and what does not on the street, as well as the strip. ProMaxx has designed a completely new line of performance heads that meet or exceed established performance levels.
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Air Flow Research Cylinder Heads
For over 45 years Air Flow Research has been defining technological leadership in cylinder head manufacturing and flow dynamics. This complete commitment to performance has enabled Air Flow Research's cylinder heads to find themselves on the fastest race cars and the most powerful street machines in the country. As every engine builder will attest to, the secret to increasing horsepower and performance lies in the cylinder head. Air Flow Research's cylinder heads outflow and out horsepower everything in their league. more info