32-Valve Firebreather

Valley Head Service has taken its 40 years of experience to the drawing board. The 32-valve Thunder Power aluminum heads are what it's going to take to raise your power quotient by 20 percent on your big-block Chevy engine. Twin intake and exhaust ports dramatically increase both cylinder filling and exhaust scavenging (due to higher cross-sectional areas). The cloverleaf-shaped combustion chambers displace 102 cc and can be milled to 90 cc. The entire package comes with assembled heads, a four-barrel intake manifold, exhaust header flanges, and 3-inch tube extensions.

Information: Valley Head Service, 818.993.7000



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