The Edelbrock 770469 Small Block Chevy LSR Pro-Port Cylinder head is designed specifically for the professional cylinder head porter and engine builder. Like the other Edelbrock Cylinder head, The Pro-Port cylinder head is 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: This head can not be used without professional head preparation. Pro-Port RAW Features Include: - Unported versions of Edelbrock race-winning Victor Series CNC head for the professional cylinder head porter and engine builder - The Pro-Port cylinder head is cast in the USA at the state-of-the-art Edelbrock Foundry with extra-thick walls to allow for custom CNC porting - The only head 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 valve guides are included - Some of the Edelbrock Pro-Port Raw Head Feature Our Special Hot Isostatic Pressing or HIP Process.
Specifications:
| Description_ABR |
Cyl. Head |
| Description_ASM |
Chevrolet:Gen III LS-R Race:- |
| Description_ASM |
Chevrolet:Gen IV LS-R Race:- |
| Description_DEF |
Engine Cylinder Head |
| Description_EXT |
Edelbrock #770469 Pro Port Cylinder Head for Gen III-IV S/B Chevrolet LS Engines is designed to take advantage of the improvements in this LSX racing block. It is also compatible with all previous versions of the engine. Bare, HIP Treated |
| Description_INV |
Edelbrock SBC LSR Cylinder Head |
| Description_MKT |
The Edelbrock 770469 Small Block Chevy LSR Pro-Port Cylinder head is designed specifically for the professional cylinder head porter and engine builder. Like the other Edelbrock Cylinder head, The Pro-Port cylinder head is 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: This head can not be used without professional head preparation. Pro-Port RAW Features Include: - Unported versions of Edelbrock race-winning Victor Series CNC head for the professional cylinder head porter and engine builder - The Pro-Port cylinder head is cast in the USA at the state-of-the-art Edelbrock Foundry with extra-thick walls to allow for custom CNC porting - The only head 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 valve guides are included - Some of the Edelbrock Pro-Port Raw Head Feature Our Special Hot Isostatic Pressing or HIP Process. |
| Description_LAB |
Pro Port Victor GEN III/ Gen IV Chevy LSR Cylinder Head |
| Description_TRA |
Not ported versions of Edelbrock race-winning Victor Series CNC heads for professional cylinder head porter and engine builder |
| Description_TRA |
Pro-Port cylinder heads are cast in USA at state-of--art Edelbrock Foundry with extra-thick walls to allow for custom CNC porting |
| Description_TRA |
Only heads designed specifically to accommodate almost any CNC port shape, size or location |
| Description_TRA |
Offers enough wall thickness for CNC machining to various port dimensions |
| Description_TRA |
In most cases seats and manganese-bronze valve guides are included |
| Description_TRA |
Some Edelbrock Pro-Port Raw Heads Feature Our Special Hot Isostatic Pressing or HIP Process |
| Description_TRA |
Intake 8.7 Deg x 3.2 Deg |
| Description_TRA |
2.25" diameter possible, 2.20" recommended for 4.00" bore |
| Description_TRA |
Exhaust 7.0 Deg x 2.0 Deg |
| Description_TRA |
1.68" diameter possible, 1.58" recommended for 4.00" bore |
| Family |
Victor |
| Intake Valve Diameter |
(Suggested) 2.25 |
| Head Casting Number |
N/A |
| Grade Type |
Performance |
| Construction Type |
Pro-Port Raw |
| Retainer Included |
No |
| Valve Guides Included |
Yes |
| Specialty |
Hot Isostatic Pressing (HIP) Processing |
| Combustion Chamber Volume |
Possible 25 |
| CNC Ported |
No |
| Quantity |
Sold Individually |
| Valve Included |
No |
| EGR Port |
No |
| Valve Seats Included |
No |
| Series |
Pro-Port |
| Guide Plates Included |
No |
| Valve Angle |
Exhaust 7.0 x 2.0 deg/Intake 8.7 x 3.2 |
| Exhaust Port Entry |
1.55 in x 1.30 |
| Material |
Aluminum |
| 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. |
| Valve Springs Included |
No |
| Deck Thickness |
0.8000 |
| Exhaust Valve Pierce Points (X,Y)(C) |
-1.178 in, -0.238 |
| Guide Material |
Manganese Bronze |
| Exhaust Valve Diameter |
(Suggested) 1.68 |
| Intake Valve Pierce Points (X,Y)(C) |
0.652 in, 0.448 |
| Intake Port Entry |
1.32 in x 1.97 |
| Length |
9.0000 |
| Width |
11.0000 |
| Height |
26.0000 |
| Weight |
41.0000 |
