Holley - 300-129
Intake Manifold - EFI - Square Bore - Single Plane - Rectangle Port - Aluminum - Natural - GM LS-Series - Each
LS Dual Plane Mid-Rise Intake; Upper; Carbureted; w/Rectangular Port Cylinder Heads; Front Height 5.07 in./Rear Height 6.14 in.; RPM Power Band 1500-6500; Satin Finish;
Got an LS engine to get running? Nothing is easier than bolting on a carburetor. Holley's dual plane carbureted intake for GM's LS engines will help you get on the streets quick! Its dual plane design makes it perfect for low end torque, yet it still pulls all the way to 6,500 RPM! Our O-ring cylinder head mounting flange gaskets provide an OEM style seal and make installation a snap. Bolt one on today!
- Port size - 2.454" height x 1.09" wide
- Optimized runner layout and constant cross sectional area provide a broad torque curve
- Height (front) - 5.07" from front lifter valley cover to carb mounting flange
- 4150 square bore carb mounting flange
- Height (rear) - 6.14" from rear lifter valley cover to carb mounting flange
- Minimum carb flange height means it fits in vehicles with minimal or no hood modifications
- Great for carbureted or throttle body EFI street applications
- Mounting flange gasket type - O-ring
- Cast aluminum construction and efficient casting design for light weight, consistent wall thicknesses and improved casting quality
- 1500-6500 RPM power band
- Weighs 14.56 lbs.
- Includes Viton® O-rings - Viton® is a registered trademark of DuPont Performance Elastomers
Construction: Cast
Cylinder Head Type: LS3/L92
Emission: Without EGR
Engine Make/Size: GM LS3/L92
Finish: Satin
Flange Type: 4150 Square Bore
Front Height: 5.070 in.
Fuel System Type: Carb
Manifold Type: Dual Plane
Number of Carbs: One
Position: Upper
Rear Height: 6.140 in.
RPM Range: 1500-6500
Usage: Street/Hi-Performance
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