Intake Manifold Chevy Big Block Carbureted Dual Plane | SPELAB
SPELAB's dual-plane high-performance intake manifold for the big block Chevy is ideal for street performance applications, with a design that improves throttle response, as well as power and torque over a wide rpm range - idle to 6,000. It is cast from lightweight aluminum and features a low profile for ideal hood clearance. Additional provisions include dual distributor hold-downs, 4 corner water ports, and a choke block-off kit. Set up for spread bore carbs, this manifold comes with an adapter plate and gasket for use with square bore types.
Specifications
| ENGINE BLOCK STYLE | OEM Standard Deck |
| CARBURETOR QUANTITY | 1 |
| INTAKE STYLE | Dual Plane |
| BASIC OPERATING RANGE | Idle to 6,000 RPM |
| MANIFOLD HEIGHT | 5.75" |
| MANIFOLD MATERAL | Aluminum |
| MANIFOLD FINISH | Polished |
| EGR | No |
| INCLUDED | Choke Block-off Kit |
| Square Bore Adapter Kit |
Fitment
CHEVROLET BIG BLOCK V8 GEN. II (MARK IV)
- 6.5 L / 396 in3
- 6.6 L / 402 in3
- 7.0 L / 427 in3
- 7.4 L / 454 in3
CHEVROLET BIG BLOCK V8 GEN. V
- 7.4 L / 454 in3
CHEVROLET BIG BLOCK V8 GEN. VI
- 7.4 L / 454 in3
NOTES
- Fits 1965-2000 standard duty Chevy big blocks with oval intake ports
- Manifold is stock replacement and street legal with non-EGR 396, 402, 427, and 454 engines with OEM carb in 1965-1972 (and 1973 non-CA) passenger cars and 1966-1983 trucks
- Will not fit under Corvette hoods without modifications
ALERT
This product is legal for off road use and non pollution controlled vehicles (1965 & older); however, it has not been tested or approved by the California Air Resources Board (CARB) for highway vehicles in the state of California. By purchasing this product, buyer agrees it will not be used on pollution controlled vehicles in California, or in a state with similar emissions regulations.