Edelbrock Pro-Port RAW & Semi-Finished Cylinder Heads

These unported versions of race-winning Edelbrock Victor Series CNC heads are designed specifically for the professional cylinder head porter and engine builder. Like all other Edelbrock Cylinder heads, Pro-Port cylinder heads are also cast in the USA at the state-of-the-art Edelbrock Foundry with extra-thick walls to allow for custom CNC porting. In most cases, seats and manganese-bronze valve guides are included, but not installed. Please note: These heads can not be used without professional head preparation.
    Pro-Port RAW Features Include:
  • Unported versions of Edelbrock race-winning Victor Series CNC heads for the professional cylinder head porter and engine builder
  • Pro-Port cylinder heads are cast in the USA at the state-of-the-art Edelbrock Foundry with extra-thick walls to allow for custom CNC porting
  • The only heads designed specifically to accommodate almost any CNC port shape, size or location
  • Offers enough wall thickness for CNC machining to various port dimensions
  • In most cases seats and manganese-bronze
  • Some Edelbrock Pro-Port Raw Heads Feature Our Special Hot Isostatic Pressing or HIP Process.
Use This Drawing To Determine Valve Placement

 
SMALL-BLOCK CHEVY PRO-PORT RAW HEADS
Small-Block Chevy Aluminum Cylinder Heads Approved by NHRA by Edelbrock
Description Chamber
Size (A)
Part# HIP'd Angle Port Entry
Int. | Exh.
Valve Sizes
(B)
Int. | Exh.
Valve Pierce Points
(X,Y) (C)
Int. | Exh.
Valve
Space
Valve Seats Valve Guides
Victor 18° 42cc 77509 No 18° (1.17" x 1.77")
(1.50" x 1.33")
2.24"/1.65" (-0.805", 0.000")
(1.130", 0.000")
1.935" Inc. Inc.
Victor 18° 42cc 775069 Yes 18° (1.17" x 1.77")
(1.50" x 1.33")
2.24"/1.65" (-0.805", 0.000")
(1.130", 0.000")
1.935" Inc. Inc.
Victor 18° 52cc 77519 No 18° (1.16" x 1.79")
(1.50" x 1.33")
2.24"/1.65" (-0.805", -0.026")
(1.130", -0.026")
1.935" Inc. Inc.
Victor 18° 52cc 775169 Yes 18° (1.16" x 1.79")
(1.50" x 1.33")
2.24"/1.65" (-0.805", -0.026")
(1.130", -0.026")
1.935" Inc. Inc.
Victor 18° 36cc 77539 No 18° (1.18" x 1.77")
(1.50" x 1.34")
2.24"/1.65" (-0.805", -0.026")
(1.130", -0.026")
1.935" - -
Victor 18° 36cc 775369 Yes 18° (1.18" x 1.77")
(1.50" x 1.34")
2.24"/1.65" (-0.805", -0.026")
(1.130", -0.026")
1.935" - -
Victor 15° 32cc 77549 No 15° (1.17" x 1.80")
(1.50" x 1.32")
2.24"/1.65" (-0.805", -0.026")
(1.130", -0.026")
1.935" - -
Victor 15° 32cc 775469 Yes 15° (1.17" x 1.80")
(1.50" x 1.32")
2.24"/1.65" (-0.805", -0.026")
(1.130", -0.026")
1.935" - -
Victor 23° 48cc 77559 No 22.3° (1.17" x 1.87")
(1.34" x 1.16")
2.24"/1.64" (-0.825", -0.201")
(1.085", -0.201")
1.910" - -
Victor 23° 48cc 775569 Yes 22.3° (1.17" x 1.87")
(1.34" x 1.16")
2.24"/1.64" (-0.825", -0.201")
(1.085", -0.201")
1.910" - -

CHEVY LS SERIES PRO-PORT RAW HEADS
Chevy LS Series Aluminum Cylinder Heads Approved by NHRA by Edelbrock
Description Chamber
Size (A)
Part# HIP'd Angle Port Entry
Int. | Exh.
Valve Sizes
(B)
Int. | Exh.
Valve Pierce Points
(X,Y) (C)
Int. | Exh.
Valve
Space
Valve Seats Valve Guides
LS1 Gen III 38cc 61989 No 15° (0.82" x 2.80")
(1.41" x 1.02")
2.08"/1.64" (0.820", 0.010")
(1.090", 0.010")
1.910" Inc. Inc.
LS1 Gen III 38cc 619869 Yes 15° (0.82" x 2.80")
(1.41" x 1.02")
2.08"/1.64" (0.820", 0.010")
(1.090", 0.010")
1.910" Inc. Inc.
LS1 Gen III 38cc 61999 No 15° (0.82" x 2.80")
(1.41" x 1.02")
2.08"/1.64" (0.820", 0.010")
(1.090", 0.010")
1.910" Inc. Inc.
Victor LS3 - 77339 No - - - - - - - -
Victor Jr. LS3-LSX - 77349 No - - - - - - -
Victor LS7 - 77369 No - - - - - - -
Victor Jr. LS7-LSX - 77379 No - - - - - - -
LS-R 25cc 770469 Yes 8.7°x3.2° (1.32" x 1.97")
(1.55" x 1.30")
2.25"/1.68" (0.652", -0.448")
(1.178", 0.238")
- - Inc.

CHEVY SB2 & ROX PRO-PORT RAW HEADS
Chevy SB2 & ROX Aluminum Cylinder Heads Approved by NHRA by Edelbrock
Description Chamber
Size (A)
Part# HIP'd Angle Port Entry
Int. | Exh.
Valve Sizes
(B)
Int. | Exh.
Valve Pierce Points
(X,Y) (C)
Int. | Exh.
Valve
Space
Valve Seats Valve Guides
Victor ROX 20cc 777668 Yes 10.5° x 3.4° (1.50" x 1.05")
(1.55" x 1.32")
2.20"/1.60" (0.625", -0.413")
(-1.128", -0.330")
- - -
Victor ROX 20cc 777669 Yes 10.5° x 3.4° (1.50" x 1.05")
(1.55" x 1.32")
2.20"/1.60" (0.625", -0.413")
(-1.128", -0.330")
- - -
Victor SB2 20cc 777869 Yes 10.5° x 3.4° (1.50" x 1.05")
(1.55" x 1.32")
2.20"/1.60" (0.636", -0.450")
(-1.144", -0.266")
- - -

BIG-BLOCK CHEVY PRO-PORT RAW HEADS
Big-Block Chevy Aluminum Cylinder Heads Approved by NHRA by Edelbrock
Description Chamber
Size (A)
Part# HIP'd Angle Port Entry
Int. | Exh.
Valve Sizes
(B)
Int. | Exh.
Valve Pierce Points
(X,Y) (C)
Int. | Exh.
Valve
Space
Valve Seats Valve Guides
Victor Jr. 24° 118cc 77469 No 24° (300cc)
(128cc)
2.25"/1.90" (-0.902", 0.058")
(1.060", -0.556")
1.997" Inc. Inc.
Victor 24° 38cc 61429 No 24° (1.47" x 1.73")
(1.49" x 1.13")
2.45"/1.96" (-0.897", 0.058")
(1.100", -0.556")
1.997" Inc. Inc.
Victor 24° 38cc 614269 Yes 24° (1.47" x 1.73")
(1.49" x 1.13")
2.45"/1.96" (-0.897", 0.058")
(1.100", -0.556")
1.997" Inc. Inc.
Victor 24° 118cc 77439 No 24° (340cc)
(128cc)
2.25"/1.90" (-0.897", 0.058")
(1.100", -0.556")
1.997" Inc. Inc.
Victor 24° Gen II 38cc 61439 No 24° (1.47" x 1.73")
(1.49" x 1.13")
2.45"/1.96" (-0.888", 0.020")
(1.095", -0.580")
1.997" Inc. Inc.
Victor 24° Gen II 38cc 614369 Yes 24° (1.47" x 1.73")
(1.49" x 1.13")
2.45"/1.96" (-0.888", 0.020")
(1.095", -0.580")
1.997" Inc. Inc.
Big Victor - 618269 Yes 12° (1.53" x 2.14")
(1.84" x 1.50")
2.45"/1.85" (-0.854", 0.455")
(1.120",-0.420")
- - -
Big Victor - 618369 Yes 14° (1.53" x 2.14")
(1.84" x 1.50")
2.45"/1.85" (-0.854", 0.455")
(1.120",-0.420")
- - -
Big Victor 70cc 777569 Yes 18° (1.53" x 2.14")
(1.84" x 1.50")
2.50"/1.96" (-0.925", 0.215")
(1.120",-0.420")
- Inc. Inc.
Big Victor III - 614669 Yes 11° (2.52" x 2.15")
(1.84" x 1.50")
2.52"/1.90" (0.690", 0.545")
(-1.270",-0.350")
- - -
Big Victor III - 614769 Yes 14° (2.52" x 2.15")
(1.84" x 1.50")
2.52"/1.94" (0.735", 0.530")
(-1.260",-0.350")
- - -
Big Victor III (5.00" Bore Spacing) - 614869 Yes 11° (2.52" x 2.15")
(1.84" x 1.50")
2.60"/1.94" (0.707", 0.571")
(-1.337",-0.346")
- - -
Big Victor III (5.00" Bore Spacing) - 614969 Yes 14° (2.52" x 2.15")
(1.84" x 1.50")
2.60"/1.94" (0.763", 0.521")
(-1.347",-0.352")
- - -
Big Victor III (5.00" Bore Spacing) - 613269 Yes 11° (2.52" x 2.15")
(1.84" x 1.50")
2.60"/1.94" (0.707", 0.571")
(-1.337",-0.346")
- - -
Big Victor III (5.00" Bore Spacing) - 613369 Yes 14° (2.52" x 2.15")
(1.84" x 1.50")
2.60"/1.94" (0.763", 0.521")
(-1.347",-0.352")
- - -
Big Victor III (5.00" Bore Spacing) - 613469 Yes 14° (2.52" x 2.15")
(1.84" x 1.50")
2.60"/1.94" (0.707", 0.571")
(-1.337",-0.346")
- - -
Big Victor III (5.00" Bore Spacing) - 613569 Yes 11° (2.52" x 2.15")
(1.84" x 1.50")
2.60"/1.94" (0.763", 0.521")
(-1.347",-0.352")
- - -
Big Victor III - 613769 Yes - (2.52" x 2.15")
(1.84" x 1.50")
- - - - -

SMALL-BLOCK FORD PRO-PORT RAW HEADS
Small-Block Ford Aluminum Cylinder Heads Approved by NHRA by Edelbrock
Description Chamber
Size (A)
Part# HIP'd Angle Port Entry
Int. | Exh.
Valve Sizes
(B)
Int. | Exh.
Valve Pierce Points
(X,Y) (C)
Int. | Exh.
Valve
Space
Valve Seats Valve Guides
Victor 28cc 77309 No 18° (0.73" x 1.59")
(1.03" x 1.15")
2.10"/1.64" (0.860", -0.016")
(1.040", -0.016")
1.900" Inc. Inc.
Victor 36cc 770869 Yes 15° (1.00" x 1.85")
(1.33" x 1.24")
2.18"/1.64" (1.130", 0.006")
(0.805", 0.006")
1.935" Inc. Inc.
Glidden Victor 36cc 770969 Yes 15° (1.04" x 1.85")
(1.37" x 1.24")
2.18"/1.64" (0.710", 0.006")
(1.190", 0.006")
1.900" Inc. Inc.
Glidden Victor II 24cc 77319 No 11.3° (1.34" x 1.77")
(1.66" x 1.43")
2.24"/1.64" (0.760" 0.000")
(1.170", 0.000")
1.930" Inc. Inc.
Glidden Victor II 24cc 773169 Yes 11.3° (1.34" x 1.77")
(1.66" x 1.43")
2.24"/1.64" (0.760", 0.000")
(1.170", 0.000")
1.930" Inc. Inc.
Glidden Victor SC-1 20cc 770769 Yes 7.3°x0.3° (1.16" x 1.76")
(1.50" x 1.36")
2.24"/1.64" (0.660", -0.440")
(1.110", -0.350")
- Inc. Inc.
Edelbrock Installation Note INSTALLATION NOTE: #770769: These heads can not be used without professional head preparation. With a true canted valve design (7.3° intake and 6.9° exhaust valve angles), these heads have maximum power potential. Extended intake flange and raised runners works with Yates-style manifolds.

FORD FE PRO-PORT RAW HEADS
Ford FE Aluminum Cylinder Heads Approved by NHRA by Edelbrock
Description Chamber
Size (A)
Part# HIP'd Angle Port Entry
Int. | Exh.
Valve Sizes
(B)
Int. | Exh.
Valve Pierce Points
(X,Y) (C)
Int. | Exh.
Valve
Space
Valve Seats Valve Guides
Ford FE 45cc 61859 No 13° (1.49" x .94")
(1.55" x 1.00")
2.09"/1.66" (0.885", 0.220")
(1.160", 0.220")
2.045" Inc. Inc.
Ford FE 45cc 61857 No 13° (1.49" x .94")
(1.55" x 1.00")
2.09"/1.66" (0.885", 0.220")
(1.160", 0.220")
2.045" Inc. Inc.

PONTIAC PRO-PORT RAW HEADS
Pontiac Aluminum Cylinder Heads Approved by NHRA by Edelbrock
Description Chamber
Size (A)
Part# HIP'd Angle Port Entry
Int. | Exh.
Valve Sizes
(B)
Int. | Exh.
Valve Pierce Points
(X,Y) (C)
Int. | Exh.
Valve
Space
Valve Seats Valve Guides
Performer RPM 72cc 60509 No 14° (1.10" x 2.02")
(1.46" x 1.40")
2.11"/1.66" (0.880", 0.000")
(1.150", 0.000")
2.030" Inc. Inc.
Victor - 77819 No 12.6° (0.83" x 1.61")
(1.00" x 1.273")
2.35"/1.72" (0.810", 0.025")
(1.230", 0.250")
2.040" Inc. Inc.
Victor - 77839 No Same as #77819 with push rod holes deleted
Victor - 77829 No 11° (0.83" x 1.61")
(1.51" x 1.273")
2.35"/1.72" (0.810", 0.055")
(1.230", 0.055")
2.040" Inc. Inc.
Victor - 77849 No Same as #77829 with push rod holes deleted

(A) Unfinished size
(B) Maximum size (each valve; may not be used together)
(C) Coordinates provided are for cylinders #1, #3, #6, #8. Invert the "X" value for cylinders #2, #4, #5, #7.

Edelbrock Tech Note TECH NOTE: Please view Cylinder Head Flow Data and Valve Springs & Retainers for all Edelbrock Performance Aluminum Cylinder Heads.
Edelbrock Tech Note PRODUCT EMISSIONS GUIDE
The following guide is designed to help you determine which Edelbrock components are legal for use on your vehicle. Learn more about Edelbrock Product Emissions Guide.

    50-State Legal
    For Racing Use ONLY
    For Use on Pre-Pollution Controlled Vehicles (PPCV)
    Stock Replacement Part
    Engine Swaps