64180-CNCA-2 PWHeads 186cc CNC Pocket Ported Aluminum Cylinder Heads Pair (complete for hydraulic roller camshafts). Fits SB Chevrolet
Performance World 64180-CNCA-2 PWHeads 186cc CNC Pocket Ported Aluminum Cylinder Heads Pair (complete for hydraulic roller camshafts). Fits SB Chevrolet


 
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SB Chevrolet 186cc (with 5-Axis CNC Bowl Blend) Aluminum Cylinder Heads. Fits 4.00" and larger bore. 2.02" intake, 1.60" exhaust. 67cc combustion chambers. Manufactured from A356-T6 aluminum, they feature bronze guides and straight plug design. 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
Everyday Low Price: CDN $1,899.99

Stock Status:In Stock

Product Code: 64180-CNCA-2
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Description Technical Specs Replacement Parts
 
SB Chevrolet 186cc (with 5-Axis CNC Bowl Blend) Aluminum Cylinder Heads. Fits 4.00" and larger bore. 2.02" intake, 1.60" exhaust. 67cc combustion chambers. Manufactured from A356-T6 aluminum, they feature bronze guides and straight plug design. 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
Optional Parts
  • Spark Plugs: Autolite 3924 or equivalent
    Head Bolts: ARP 134-3601
    Head Studs: ARP 134-4001
    Head Gaskets: Fel-Pro 1003
    Intake Gaskets: Fel-Pro 1204
    Exhaust Gaskets: PW 412

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