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Edelbrock Cylinder Head Race Victor Jr Complete Chevy Gen V LT1/LT4
Edelbrock Cylinder Head Race Victor Jr Complete Chevy Gen V LT1/LT4
A$4,791.96
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Description
The Edelbrock part #77139 Victor Jr. LT1 (Gen V) cylinder head is an excellent upgrade for ultra high-performance on GM Gen V LT1 racing engines. The biggest change and advantage of Victor Jr. is the revised exhaust ports, which have been moved 1.5" horizontally to improve air flow. This revision will require the use of custom exhaust manifolds and headers. They have been designed with high flow intake/exhaust ports and back cut intake valves for improved air flow. The valve position has also been revised to accommodate interlocking valve seat rings and larger valves. The intake valve has been increased to 2.20" diameter and has hollow stem valves with a 45deg seat angle, while the exhaust valve has a diameter of 1.60" and utilizes a 50deg seat angle. It's designed with a thicker deck and more material in the intake, exhaust and port walls for improved strength, durability and for additional porting and deck milling. This cylinder head features fully CNC machined intake ports, combustion chambers and exhaust ports for improved performance. The Victor Jr. retains the stock rocker arm, intake port and spark plug tip location for use with factory components. Like all the other cylinder head, this has been designed, tested and cast from 356 aluminum and heat treated to T-6 specs in our facilities in Southern California to guarantee you get the best from a name you can trust.?Looking for custom LT1 headers? Please contact Kooks Exhaust and Headers at (866) 586-5665 for more details about their LT1 headers for the Edelbrock Victor Jr. cylinder head!
Product Overview
The Edelbrock part #77139 Victor Jr. LT1 (Gen V) cylinder head is an excellent upgrade for ultra high-performance on GM Gen V LT1 racing engines. The biggest change and advantage of Victor Jr. is the revised exhaust ports, which have been moved 1.5" horizontally to improve air flow. This revision will require the use of custom exhaust manifolds and headers. They have been designed with high flow intake/exhaust ports and back cut intake valves for improved air flow. The valve position has also been revised to accommodate interlocking valve seat rings and larger valves. The intake valve has been increased to 2.20" diameter and has hollow stem valves with a 45deg seat angle, while the exhaust valve has a diameter of 1.60" and utilizes a 50deg seat angle. It's designed with a thicker deck and more material in the intake, exhaust and port walls for improved strength, durability and for additional porting and deck milling. This cylinder head features fully CNC machined intake ports, combustion chambers and exhaust ports for improved performance. The Victor Jr. retains the stock rocker arm, intake port and spark plug tip location for use with factory components. Like all the other cylinder head, this has been designed, tested and cast from 356 aluminum and heat treated to T-6 specs in our facilities in Southern California to guarantee you get the best from a name you can trust.?Looking for custom LT1 headers? Please contact Kooks Exhaust and Headers at (866) 586-5665 for more details about their LT1 headers for the Edelbrock Victor Jr. cylinder head!
Features and Benefits
- Extra Thick 3/4 in. Deck For Improved Stability
Product Details
| CNC Ported: | Yes |
|---|---|
| Camshaft Type: | Hydraulic Roller |
| Combustion Chamber Volume: | 59 |
| Construction Type: | Complete |
| Cylinder Head Type: | Standard |
| Deck Thickness: | 0.7500 |
| Description: | Victor Jr. Series Cylinder Head |
| EGR Port: | No |
| Emission: | Non-Emissions |
| Engine Make/Size: | Chevy LT1 |
| Exhaust Port Location: | +1.5 in Horizontal |
| Exhaust Runner Volume: | 110 |
| Exhaust Valve Diameter: | 1.60 |
| Family: | Victor Jr. |
| Finish: | Cast |
| Grade Type: | Performance |
| Guide Material: | Manganese Bronze |
| Guide Plates Included: | No |
| Head Casting Number: | N/A |
| Horsepower: | 750+ |
| Intake Runner Volume: | 320 |
| Intake Valve Diameter: | 2.20 |
| Material: | Aluminum |
| Part Number: | ede77139 |
| Preparation: | Bolt On (Not Required) |
| Quantity: | Sold Individually |
| RGL: | WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov. |
| Retainer Included: | Yes |
| Seat Angle: | Exhaust 40 deg/Intake 45 |
| Seat Material: | Ductile Iron |
| Series: | Victor Jr. |
| Type: | Complete |
| Usage: | Racing |
| Valve Angle: | Exhaust 11.4 X 1.1 deg/Intake 11.6 x 4.5 |
| Valve Included: | Yes |
| Valve Spring Diameter: | 1.32 |
| Valve Spring Maximum Lift: | 0.700 |
| Valve Springs Included: | Yes |
| Valve Stem Diameter: | 0.314961 |
| WARNING CA Proposition 65 Message: | WARNING: This product can expose you to Lead; which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information; visit www.P65warnings.ca.gov. |
| WARNING CA Proposition 65: | Yes |
Application Summary
Chevrolet:Small-Block Gen V LT1:376 (6.2L)
Part Type
Engine Cylinder Head
Features
- Extra Thick 3/4 in. Deck For Improved Stability
Specifications
- Product Attributes - Brand
- Edelbrock
- Product Attributes - Manufacturer's Part Number
- 77139
- Product Attributes - Part Type
- Cylinder Heads
- Product Attributes - Product Line
- Edelbrock Victor Jr. CNC Cylinder Heads
- Product Attributes - UPC
- 085347771394
- Product Attributes - Combustion Chamber Volume (cc)
- 57
- Product Attributes - Intake Runner Volume (cc)
- 320cc
- Product Attributes - Exhaust Runner Volume (cc)
- 110cc
- Product Attributes - Cylinder Head Style
- Assembled
- Product Attributes - Cylinder Head Material
- Cast aluminum
- Product Attributes - Camshaft Style
- Hydraulic roller
- Product Attributes - Intake Port Shape
- Rectangular
- Product Attributes - Intake Valve Diameter (in.)
- 2.200 in.
- Product Attributes - CNC-Machined Combustion Chamber
- Yes
- Product Attributes - CNC-Machined Intake Runner
- Yes
- Product Attributes - CNC-Machined Exhaust Runner
- Yes
- Product Attributes - Intake Port Location
- Standard
- Product Attributes - Exhaust Port Shape
- Round
- Product Attributes - Exhaust Port Location
- Spread
- Product Attributes - Spark Plug Style
- Angle
- Product Attributes - Intake Valves Included
- Yes
- Product Attributes - Exhaust Valves Included
- Yes
- Product Attributes - Exhaust Valve Diameter (in.)
- 1.600 in.
- Product Attributes - Valve Springs Included
- Yes
- Product Attributes - Maximum Valve Lift (in.)
- 0.750 in.
- Product Attributes - Outside Diameter of Outer Spring (in.)
- 1.320 in.
- Product Attributes - Damper Spring Included
- No
- Product Attributes - Number of Springs Per Valve
- Single
- Product Attributes - Retainers Included
- Yes
- Product Attributes - Retainer Material
- Titanium
- Product Attributes - Locks Included
- Yes
- Product Attributes - Lock Style
- 7 degree
- Product Attributes - Valve Stem Seals Included
- Yes
- Product Attributes - Valve Stem Seal Style
- Positive stop
- Product Attributes - Rocker Arm Studs Included
- No
- Product Attributes - Rocker Arms Included
- No
- Product Attributes - Rocker Arm Nuts Included
- No
- Product Attributes - Guideplates Included
- No
- Product Attributes - Valve Cover Mounting Style
- Perimeter bolt
- Product Attributes - Accessory Bolt Holes Drilled
- Yes
- Product Attributes - Valve Guides Included
- Yes
- Product Attributes - Valve Guide Material
- Bronze
- Product Attributes - Valve Seats Machined
- Yes
- Product Attributes - Valve Seat Material
- Ductile iron
- Product Attributes - Cylinder Head Color
- Natural
- Product Attributes - Steam Holes Drilled
- No
- Product Attributes - Oiling Style
- Through pushrod
- Product Attributes - Machined for O-Ring
- No
- Product Attributes - Heat Crossover
- No
- Product Attributes - Remanufactured
- No
- Product Attributes - Quantity
- Sold individually.
- Product Attributes - Notes
- Conventional factory rocker arms are retained, exhaust bolt pattern shifted 1.500 in. forward on driver's side and 1.500 in. back on passenger side. Factory intake mounting.
Reference Information
| Brand Name/s | Edelbrock |
|---|---|
| StreetFX SKU | ede77139 |
| SFX Item ID | 4237511 |
| Supplier Item Code | 4237511 |
| Manufacturer SKU | 77139 |
| Manufacturer UPC | 85347771394 |
| Alternative References | v8;, EDB77139, EDL-77139, LT1/LT4 |
Brochures
Compatibility
Chevrolet:Small-Block Gen V LT1:376 (6.2L)
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