64200-CNCA-2 PWHeads 204cc CNC Pocket Ported Aluminum Cylinder Heads Pair (complete for hydraulic roller camshafts). Fits SB Chevrolet
Performance World 64200-CNCA-2 PWHeads 204cc CNC Pocket Ported Aluminum Cylinder Heads Pair (complete for hydraulic roller camshafts). Fits SB Chevrolet


 
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SB Chevrolet 204cc (with 5-axis CNC bowl blend) Aluminum Cylinder Heads. Fits 4.00" and larger bore. 2.02" intake, 1.60" exhaust. 67cc combustion chambers. These heads offer an 8% increase in flow on the intake and a WHOPPING 33% increase on the exhaust over the non-ported 64200. 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. Note: PW 200 Heads have an intake port opening of 1.31”x2.22”. Many early small port intake manifolds will not work with these heads. Check your intake manifold port size before ordering. Download Data here - DOWNLOAD
Everyday Low Price: CDN $1,899.99

Stock Status:In Stock

Product Code: 64200-CNCA-2
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Description Technical Specs Replacement Parts
 
SB Chevrolet 204cc (with 5-axis CNC bowl blend) Aluminum Cylinder Heads. Fits 4.00" and larger bore. 2.02" intake, 1.60" exhaust. 67cc combustion chambers. These heads offer an 8% increase in flow on the intake and a WHOPPING 33% increase on the exhaust over the non-ported 64200. 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. Note: PW 200 Heads have an intake port opening of 1.31”x2.22”. Many early small port intake manifolds will not work with these heads. Check your intake manifold port size before ordering. 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 1206
    Exhaust Gaskets: PW 412

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