61989 - Edelbrock Cylinder Heads - Pro Port
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Part #: 61989
Notes: Pro-Port
Semi-Finished Cylinder Head
Your Price: $909.41
Specs
Combustion Chamber Volume |
65cc |
Cylinder Head Type |
Standard |
Deck Thickness |
5/8in |
Emission |
Non-Emissions |
Engine Make/Size |
Chevy Small Block LS1 |
Exhaust Port Locaiton |
Stock |
Exhaust Valve Diameter |
1.57in |
Exhaust Volume |
76cc |
Finish |
Cast Aluminum |
Guideplate |
N/A |
Intake Valve Diameter |
2.02in |
Intake Volume |
212cc |
Preparation |
Requires Professional Preparation (Bare) |
Pushrod Diameter |
5/16in |
Rocker Stud |
N/A |
Spark Plug Fitment |
14mm x .750 reach, tapered seat (OE style) |
Type |
Bare |
Usage |
Racing |
Valve Angle |
15deg |
Valve Guides |
Manganese Bronze |
Valve Spring Diameter |
1.55in / 1.30in |
Valve Spring Max Lift |
.600in |
Valve Stem Diameter |
8mm |
This Item Also Available In
Part Number |
Price |
Notes & Specs |
770469
|
$1,230.95 |
Notes |
LS1 Pro-Port Bare Cylinder Head
|
Combustion Chamber Volume |
25cc |
Cylinder Head Type |
Standard |
Deck Thickness |
TBA |
Emission |
Non-Emissions |
Engine Make/Size |
Chevy Small Block LS1 |
Exhaust Port Locaiton |
TBA |
Exhaust Valve Diameter |
1.68in |
Exhaust Volume |
TBA |
Finish |
Cast Aluminum |
Guideplate |
TBA |
Intake Valve Diameter |
2.25in |
Intake Volume |
TBA |
Preparation |
Requires Professional Preparation (Bare) |
Pushrod Diameter |
TBA |
Rocker Stud |
TBA |
Spark Plug Fitment |
TBA |
Type |
Bare |
Usage |
Racing |
Valve Angle |
TBA |
Valve Guides |
Manganese Bronze |
Valve Spring Diameter |
TBA |
Valve Spring Max Lift |
TBA |
Valve Stem Diameter |
TBA |
61859
|
$623.95 |
Notes |
Pro-Port Semi-Finished Cylinder Head
|
Combustion Chamber Volume |
45cc |
Cylinder Head Type |
Standard |
Deck Thickness |
TBA |
Emission |
Non-Emissions |
Engine Make/Size |
Ford 330-428 FE |
Exhaust Port Locaiton |
Stock |
Exhaust Valve Diameter |
1.66in |
Exhaust Volume |
TBA |
Finish |
Cast Aluminum |
Guideplate |
Hardened Steel |
Intake Valve Diameter |
2.09in |
Intake Volume |
TBA |
Preparation |
Requires Professional Preparation (Bare) |
Pushrod Diameter |
TBA |
Rocker Stud |
TBA |
Spark Plug Fitment |
TBA |
Type |
Bare |
Usage |
Racing |
Valve Angle |
13deg |
Valve Guides |
Manganese Bronze |
Valve Spring Diameter |
1.55in |
Valve Spring Max Lift |
TBA |
Valve Stem Diameter |
TBA |
619869
|
$1,021.28 |
Notes |
LS1 Pro-Port Raw Semi-Finished Cylinder Head HIP'd |
Combustion Chamber Volume |
65cc |
Cylinder Head Type |
Standard |
Deck Thickness |
5/8in |
Emission |
Non-Emissions |
Engine Make/Size |
Chevy Small Block LS1 |
Exhaust Port Locaiton |
Stock |
Exhaust Valve Diameter |
1.57in |
Exhaust Volume |
76cc |
Finish |
Satin |
Guideplate |
N/A |
Intake Valve Diameter |
2.02in |
Intake Volume |
212cc |
Preparation |
Requires Professional Preparation (Bare) |
Pushrod Diameter |
5/16in |
Rocker Stud |
N/A |
Spark Plug Fitment |
14mm x .750 reach, tapered seat (OE style) |
Type |
Bare |
Usage |
Street/Performance |
Valve Angle |
15deg |
Valve Guides |
Manganese Bronze |
Valve Spring Diameter |
1.55in / 1.30in |
Valve Spring Max Lift |
.600in |
Valve Stem Diameter |
8mm |
61857
|
$574.95 |
Notes |
Pro-Port Semi-Finished Cylinder Head
|
Combustion Chamber Volume |
45cc |
Cylinder Head Type |
Standard |
Deck Thickness |
TBA |
Emission |
Non-Emissions |
Engine Make/Size |
Ford Big Block 390-428 FE |
Exhaust Port Locaiton |
Stock |
Exhaust Valve Diameter |
1.66in |
Exhaust Volume |
TBA |
Finish |
Satin |
Guideplate |
Hardened Steel |
Intake Valve Diameter |
2.09in |
Intake Volume |
TBA |
Preparation |
Requires Professional Preparation (Bare) |
Pushrod Diameter |
TBA |
Rocker Stud |
TBA |
Spark Plug Fitment |
TBA |
Type |
Bare |
Usage |
Racing |
Valve Angle |
13deg |
Valve Guides |
Manganese Bronze |
Valve Spring Diameter |
1.55in |
Valve Spring Max Lift |
TBA |
Valve Stem Diameter |
TBA |
614669
|
$1,697.95 |
Notes |
Big Victor III Raw Cylinder Head |
Cylinder Head Type |
Big Duke |
Emission |
Non-Emissions |
Engine Make/Size |
Chevy Big Block (396-502) |
Finish |
Satin |
Preparation |
Requires Professional Preparation (Bare) |
Type |
Bare |
Usage |
Racing |
613669
|
$2,180.95 |
Notes |
Big Victor III Raw Cylinder Head |
Cylinder Head Type |
Standard |
Emission |
Non-Emissions |
Engine Make/Size |
Chevy Big Block (396-502) |
Finish |
Cast |
Preparation |
Requires Professional Preparation (Bare) |
Type |
Bare |
Usage |
Racing |
All Fitments
UNIVERSAL |
Year |
Model |
SubModel |
Cylinders |
Liter |
Aspiration |
Eng Desg. |
Fuel |
Notes |
0 - 0 |
NON APPLICATION SPECIFIC |
ALL |
ALL |
ALL |
ALL |
ALL |
ALL |
|
Product Description
What is Pro-Port? These specialty heads are purpose-engineered castings designed for the professional cylinder head porter and engine builder. Features include extra-thick decks, under-sized intake and exhaust runners, and increased wall thickness to allow for custom CNC porting. The castings are semi-machined with finished accessory, intake and exhaust flange bosses. Pro-Port heads are available for small-block Chevy (15°, 18° & 23°), big-block Chevy (conventional and spread-port), LS-series Chevy, small-block Ford (including SC-1), FE Ford, and Pontiac. Optional HIP Processed castings available! This aerospace process results in an incredibly strong, super dense aluminum casting that has three times the fatigue life and nearly the consistency of billet aluminum.