Holley - 300-121
Hi-Ram Intake Manifold; Lower; EFI 2 x 4 Mid Rise Dual Plane Manifold; Front Height 4.47 in.; Rear Height 5.54 in.; RPM Power Band 1500-7000; Satin Finish;
Holley EFI 2x4 Dual Plane Intake Manifold, LS Gen 3 LS1/LS2/LS6 engines
- Traditional Dual Holley That Competed On Drag Strips In The 1960s
- Dual Plane Equal Distr. For Mid-Range Torque w/Top End Power
- Carbureted and EFI Versions Available
- Power Band From 1500-7000 rpm
- Cast Aluminum Construction
- Carb Flange Center-To-Center 8-5/8 in.
Construction: Cast
Cylinder Head Type: LS3/L92
Emission: Without EGR
Engine Make/Size: GM LS1/LS2/LS6
Finish: Satin
Flange Type: 4150 Square Bore
Front Height: 4.470 in.
Fuel System Type: EFI
Manifold Type: Dual Plane
Number of Carbs: None; For Fuel Injection
Position: Lower
Rear Height: 5.540 in.
RPM Range: 1500-7000
Usage: Street/Hi-Performance
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