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Chevrolet Performance 12363425 - Bowtie Racing Cylinder Head

Monster-cubic-inch stroker Big-Blocks need lots of air to maximize their performance potential and Chevrolet Performance Bowtie race cylinder heads are designed for that task. They are made of 356-T6 aluminum with huge, raised intake ports, larger valves, smaller combustion chambers and two additional head bolts for increased clamping force. The runners are purposely left smaller, so there is ample room for custom porting by the engine builder.

• Aluminum racing head
• Machined for 2.190"/1.880" valves (+.400" long required)
• 380cc rectangular intake ports – raised .100"
• 110cc exhaust port – raised .750", vanes in port floor (“W” port)
• 115cc “open chamber” combustion chamber
• Rocker cover rails raised .250"
• Two additional head bolt holes in valley
• Pushrod guide plates P/N 3860038 must be ground for clearance
Pricing: $906.31

Free U.S. Continental Shipping

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Shipping Information

  • Item Requires Shipping
  • 37.0 lbs.
  • W9.8000” x H7.3000” x L25.0000”
  • Free U.S. Continental Shipping

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