Performance World 64180-CNCA-2 SB Chevrolet CNC Aluminum Heads (complete)

Part # 64180-CNCA-2
  • Sale
  • $1,439.98
  • Regular price $1,499.99


SB Chevrolet 180cc (with 5-Axis CNC Bowl Blend) Aluminum Cylinder Heads. Fits 4.00" and larger bore. 2.02" intake, 1.60" exhaust. 64cc combustion chambers. Manufactured from A356-T6 aluminum, they feature bronze guides, straight plug design and can accept center bolt or perimeter bolt valve covers. Assembled with 1.47" OD springs for hydraulic roller cams up to .625" lift. Requires 7/16" stud rocker arms. Each pair comes assembled with a detailed flow sheet and assembly blueprint. Vacuum tested. Sold as pairs. Download Data here - DOWNLOAD