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Designed with a 4150 Square bore flange. Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM
The manifold kit includes the fuel rails, mounting hardware, and o-ring cylinder head mounting flange gaskets.
Minimum carb flange height - fit in vehicles with minimum hood modifications. Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS power adder applications
Single Plane EFI LS Intake Manifold. Fits all GM LS Gen III engines equipped with LS7 cylinder heads.
Holley Single Plane EFI Intake - GM LS7 - 300-269
$398.95
Features:
- Cast aluminum construction - great manifold for centrifugal blower, turbocharged or NOS mild power adder applications
- Port size - 2.33" height x 1.27" wide
- Optimized runner layout and constant cross sectional area - broad torque curve, best vehicle performance from 2500-7000 RPM
- Weight - 11.5 lbs.
- Includes FKM o-ring intake to cylinder head gaskets
- Height (front) - 5.417" to the lifter valley cover flange at the engine block front flange and bellhousing flange
- 4150 Square bore flange
- Minimum carb flange height - fit in vehicles with minimum hood modifications
- 2500-7000 RPM power band
- Efficient casting design - lightweight, consistent wall thicknesses, improved casting quality
Product Specifications:
- Product Details: Single Plane EFI LS Intake Manifold. Fits all GM LS Gen III engines equipped with LS7 cylinder heads
- Basic Operating RPM Range: 2500-7000 RPM
- Carburetor Flange: Square/4150
- Carburetor Quantity: 1
- Carburetor Studs Included: No
- CNC Ported: No
- Color: Silver
- Construction: Cast
- Cylinder Head Port Shape: Raised Rectangle
- Deck Height: 9.24 IN
- EGR Port: No
- Engine: GM LS7
- Flange Style: 4150 Square Bore
- Front Maximum Height: 5.417 IN
- Fuel Injectors Included: No
- Fuel Rail(s) Included: Yes
- Fuel System Type: EFI
- Gasket Or Seal Included: Yes
- Grade Type: Performance
- Intake Port Gasket(s) Included: No
- Manifold Type: Single Plane
- Material: Aluminum
- Nitrous Bung(s) Included: No
- Part Type: Engine Intake Manifold
- Plenum Finish: Natural
- Product Type: Intake Manifold
- Rear Maximum Height: 5.417 IN
- Recommended Use: Forced Induction
- Removable Runners: No
- Removable Top/Lid: No
- Single Or Dual Plane Type: Single Plane
- Throttle Body Bore Diameter: 3.6
- Throttle Body Gasket Included: No
- Throttle Body Included: No
- Vacuum Ports: Yes
Installation Notes:
Includes fuel rails, mounting hardware, and O-ring cylinder head mounting flange gaskets. The included fuel rails are designed to accept Bosch Style EV-1 or GM OE LS7 fuel injectors.