Cylinder Head Specifications: Combustion chamber volume: 92cc; Intake runner volume: 442 (lh) / 451 (rh); Exhaust runner volume: 189cc; Intake valve diameter: 2.45" (Valves Not Included); Exhaust valve diameter: 1.85" (Valves Not Included); Valve stem diameter: N/A; Valve guides: Manganese bronze; Deck thickness: N/A; Valve spring diameter: Pocket diameter 1.76" (springs not included); Valve spring maximum lift: N/A; Rocker stud: Use Jesel KPS-381754 shaft-mount; Guideplate: N/A; Pushrod diameter: N/A; Valve angle: 18° x 4.0° intake; 9° x 3.9° exhaust; Exhaust port location: N/A; Spark plug fitment: 14mm x 3/4 reach, gasket seat. * Intended for high output, large cubic inch racing engines with 4.84" bore spacing, this head is an improvement over existing 18° designs, such as the Big Chief & Big Duke. The casting is made from A-356 aluminum and is Hot Isostatic Pressing processed (HIP) for superior strength, durability, dimensional stability and exceptional finish quality. These cylinder heads feature CNC ported intake ports and a raised exhaust runner design for improved flow efficiency. Chambers are fully CNC ported and extra material is included in the deck to allow fine tuning of the combustion chamber design, if desired. Edelbrock and Pat Musi worked with Jesel to improve the valvetrain geometry, delivering Pro-Stock level technology on engines up to 10,000 rpm. Jesel's shaft-mounted system, #KPS-387154, is made from lightweight 7000 series aluminum and features a one-piece stand design that pairs the intake and exhaust stands for improved valvetrain stability. The intake features a 1.820" long fulcrum and is available in 1.60:1 - 1.95:1 rocker ratios; the exhaust features a 2.000" long fulcrum and available in 1.60:1 - 2.00:1 rocker ratios. Requires Edelbrock valve covers #4259. Match with Edelbrock Victor CNC Series manifolds #28003 and #28005. Pro-Port version available for custom porting.
Spark plug fitment: 14mm x 3/4 reach, gasket seat. Intended for high output, large cubic inch racing engines with 4.84" bore spacing, this head is an improvement over existing 18deg designs, such as the Big Chief & Big Duke. The casting is made from A-356 aluminum and is Hot Isostatic Pressing processed (HIP) for superior strength, durability, dimensional stability and exceptional finish quality. These cylinder head features CNC ported intake ports and a raised exhaust runner design for improved flow efficiency. Chambers are fully CNC ported and extra material is included in the deck to allow fine tuning of the combustion chamber design, if desired. Edelbrock and Pat Musi worked with Jesel to improve the valvetrain geometry, delivering Pro-Stock level technology on engines up to 10,000 rpm. Jesel's shaft-mounted system, #KPS-387154, is made from lightweight 7000 series aluminum and features a one-piece stand design that pairs the intake and exhaust stands for improved valvetrain stability. The intake features a 1.820" long fulcrum and is available in 1.60:1 - 1.95:1 rocker ratios
the exhaust features a 2.000" long fulcrum and available in 1.60:1 - 2.00:1 rocker ratios. Requires Edelbrock valve covers #4259. Match with Edelbrock Victor CNC Series manifolds #28003 and #28005. Pro-Port version available for custom porting.
Cylinder Head; Chevrolet; Big Victor; Big Block (Pro Port); HIP d; 14-deg. Intake Valve
Valve spring diameter: Pocket diameter 1.76" (springs not included)
Cylinder Head Specifications: Combustion chamber volume: 92cc
4.84 in. Bore Spacing/Unmachined Combustion Chambers
Exhaust valve diameter: 1.85" (Valves Not Included)
Intake valve diameter: 2.45" (Valves Not Included)
BIG VICTOR PRO-PORT 14 DEGREE RAW CYLINDER HEAD
Edelbrock Big Victor Pro-Port Raw Cylinder Head
Rocker stud: Use Jesel KPS-381754 shaft-mount
Intake runner volume: 442 (lh) / 451 (rh)
Requires Edelbrock Valve covers PN 4259
Valve angle: 18deg x 4.0deg intake
High Isostatic Pressing Design
Valve spring maximum lift: N/A
Valve guides: Manganese bronze
Exhaust runner volume: 189cc
Exhaust port location: N/A
Valve stem diameter: N/A
Pushrod diameter: N/A
9deg x 3.9deg exhaust
14-deg. Intake Valve
Big Block (Pro Port)
Engine Cylinder Head
Deck thickness: N/A
For Big Block Chevy
Guideplate: N/A
CYL HEADS-RACE
CYLINDER HEAD
Big Victor
Chevrolet
Bare Head
HIP d
