Single Plane EFI LS Intake Manifold. Fits all GM LS Gen III engines equipped with LS7 cylinder heads. 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. 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 Design
- 4150 Square Bore Mounting Flange
- Power Band 2500-7000 rpm
- Height Front 5.417 in. Rear 5.417 in.
- Port Size 2.33 in. Height 1.27 in. Width
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.
About Holley Performance Products
Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!
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Holley EFI EFI Intake Manifold 300-269BK: