69225 PWHeads 252cc Cathedral Port Aluminum Cylinder Heads Bare (pair) Fits Chevrolet Gen III LS1/LS2/LS6 LSx 3.90" bore
Performance World 69225 PWHeads 252cc Cathedral Port Aluminum Cylinder Heads Bare (pair) Fits Chevrolet Gen III LS1/LS2/LS6 LSx 3.90" bore
 
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LS1 Cathedral Port 11 Degree Chevrolet heads designed to fit Gen III LS1/2/6 3.90" bore engines. 252cc intake runners, 62cc combustion chambers. 2.08" intake and 1.60" exhaust. Machined for 1.55" springs. Raised valve cover rails, 6-bolt per cylinder design (Fits LSX blocks too). Includes rocker arm rails for use with LS3 offset (OE style) rocker arms. SEE SPECIAL TECHNICAL NOTES REGARDING ROCKER ARMS. Manufactured from A356-T6 aluminum. Each pair comes with a detailed flow sheet. Sold bare and ready for assembly. Pair. Download Data here - DOWNLOAD
Everyday Low Price: CDN $1,559.99

Stock Status:In Stock

Product Code: 69225
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Description Technical Specs
 
LS1 Cathedral Port 11 Degree Chevrolet heads designed to fit Gen III LS1/2/6 3.90" bore engines. 252cc intake runners, 62cc combustion chambers. 2.08" intake and 1.60" exhaust. Machined for 1.55" springs. Raised valve cover rails, 6-bolt per cylinder design (Fits LSX blocks too). Includes rocker arm rails for use with LS3 offset (OE style) rocker arms. SEE SPECIAL TECHNICAL NOTES REGARDING ROCKER ARMS. Manufactured from A356-T6 aluminum. Each pair comes with a detailed flow sheet. Sold bare and ready for assembly. Pair. Download Data here - DOWNLOAD
Optional Parts
  • Intake Valves: PW 360043
    Exhaust Valves: PW 360048
    Viton Valve Seals: PW 360488
    Spark Plugs: Champion RC12YC or equivalent

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