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High Velocity Heads - Circle Track Supply, Inc.
WebOffering top notch Aluminum Cylinder Head Porting and Cylinder Block Machining Services for High Performance Racing Engines by Race Engine Builder Steve Schmidt. … WebSep 24, 2024 · Big-Block Chevrolet Cylinder Heads: Part One. ... AFR added partial CNC-machining to the intake ports to create a high-velocity oval-port head. The 265cc heads work best with 396-468-cubic-inch displacements, while the 290cc option works well with engines up to 509 cubic inches. The 300cc oval-port heads are ideal for 427-540-cubic-inches. on the market broadstairs
Engine Parts: Small Block Cylinder Heads Performance - Chevrolet
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