Holley Single Plane Intake Manifold Kit 300-261
Holley Single Plane Intake Manifold Kit 300-261 Holley Single Plane Intake Manifold Kit 300-261 Holley Single Plane Intake Manifold Kit 300-261 Holley Single Plane Intake Manifold Kit 300-261 Holley Single Plane Intake Manifold Kit 300-261 Holley Single Plane Intake Manifold Kit 300-261 Holley Single Plane Intake Manifold Kit 300-261 Holley Single Plane Intake Manifold Kit 300-261 Holley Single Plane Intake Manifold Kit 300-261 Holley Single Plane Intake Manifold Kit 300-261 Holley Single Plane Intake Manifold Kit 300-261 Holley Single Plane Intake Manifold Kit 300-261 Holley Single Plane Intake Manifold Kit 300-261 Holley Single Plane Intake Manifold Kit 300-261 Holley Single Plane Intake Manifold Kit 300-261

Holley Single Plane Intake Manifold Kit 300-261

$414.99 ea
Model:3992585
Condition: NEW
Availability:Backordered until 08/12/2021
Out of stock at HOLLEY PERFORMANCE PRODUCTS as of 08/05/2021
Fitment:
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
Shipping Note:Standard Delivery
Qty:

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Muscle Cars & Classics always recommends professional installation of our products. Buyer assumes risk of damage caused by improper installation.

The new single plane intake manifold is designed to provide a broad RPM powerband for high-performance street/strip engine applications to a maximum engine speed of 7500 RPM. The carburetor-mounting pad is designed to accept all stock or aftermarket square-bore carburetors with manual or electric chokes. These intake manifolds are designed to accept most stock hardware and accessory brackets, but offer performance features; like an updated plenum divider area, a 1" shorter height than the 300-25 manifold, and a choice of two distributor clamp locations. The isolated design of the air/fuel passages helps to increase charge air density and performance. The 300-261 intake manifolds are designed for square-bore carburetor applications on 1957-86 262-400cid Small Block Chevrolet engines and SBC engines equipped with 1987-91 L98 aluminum Corvette cylinder heads (non-EGR applications). Also, these manifolds will work with any SBC engine equipped with aftermarket cylinder heads, as long as they have a standard port flange opening and mounting bolt locations.
Features:
  • Single Plane With Isolated Plenum
  • Square Bore Carburetor Mounting Flange
  • Isolated Water Cross-Over
  • Power Band 2500-7500 RPM
Holley Performance Emission Code 3: This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 and older U.S. manufactured California Certified vehicles/1967 and older U.S. manufactured Federally Certified vehicles/1967 and older Foreign manufactured vehicle. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle
Installation Notes:
Modification to the valve covers may be required when this manifold is used with some types of cylinder heads.
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!

Downloads:

Download Name File Size
199r11523.pdf226.55KB

Videos:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine Fitment Notes
Chevrolet Chevy II 1963 4.6L / 283 / V8 Square Bore Carb Mounting Flange; 2500-7500 RPM 4.18 in./Rear 5.28 in. Height; 1.92 in. H/1.20 in. Wi Port Size;Legal for Non-Emissions Controlled Vehicles Or For Race Use
Chevrolet Chevy II 1964 4.6L / 283 / V8 Square Bore Carb Mounting Flange; 2500-7500 RPM 4.18 in./Rear 5.28 in. Height; 1.92 in. H/1.20 in. Wi Port Size;Legal for Non-Emissions Controlled Vehicles Or For Race Use
Chevrolet Chevy II 1965 5.3L / 327 / V8
4.6L / 283 / V8
5.4L / 327 / V8
Square Bore Carb Mounting Flange; 2500-7500 RPM 4.18 in./Rear 5.28 in. Height; 1.92 in. H/1.20 in. Wi Port Size;Legal for Non-Emissions Controlled Vehicles Or For Race Use
Chevrolet Chevy II 1966 5.3L / 327 / V8
4.6L / 283 / V8
5.4L / 327 / V8
Square Bore Carb Mounting Flange; 2500-7500 RPM 4.18 in./Rear 5.28 in. Height; 1.92 in. H/1.20 in. Wi Port Size;Legal for Non-Emissions Controlled Vehicles Or For Race Use
Chevrolet Chevy II 1967 5.3L / 327 / V8
4.6L / 283 / V8
Square Bore Carb Mounting Flange; 2500-7500 RPM 4.18 in./Rear 5.28 in. Height; 1.92 in. H/1.20 in. Wi Port Size;Legal for Non-Emissions Controlled Vehicles Or For Race Use
Chevrolet Chevy II 1968 5.3L / 327 / V8
5.0L / 307 / V8
5.4L / 327 / V8
5.7L / 350 / V8
Square Bore Carb Mounting Flange; 2500-7500 RPM 4.18 in./Rear 5.28 in. Height; 1.92 in. H/1.20 in. Wi Port Size;Legal for Non-Emissions Controlled Vehicles Or For Race Use
Chevrolet Nova 1969 5.0L / 307 / V8
5.7L / 350 / V8
Square Bore Carb Mounting Flange; 2500-7500 RPM 4.18 in./Rear 5.28 in. Height; 1.92 in. H/1.20 in. Wi Port Size;Legal for Non-Emissions Controlled Vehicles Or For Race Use
Chevrolet Nova 1970 5.0L / 307 / V8
5.7L / 350 / V8
Square Bore Carb Mounting Flange; 2500-7500 RPM 4.18 in./Rear 5.28 in. Height; 1.92 in. H/1.20 in. Wi Port Size;Legal for Non-Emissions Controlled Vehicles Or For Race Use
Chevrolet Nova 1971 5.0L / 307 / V8
5.7L / 350 / V8
Square Bore Carb Mounting Flange; 2500-7500 RPM 4.18 in./Rear 5.28 in. Height; 1.92 in. H/1.20 in. Wi Port Size;Legal for Non-Emissions Controlled Vehicles Or For Race Use
Chevrolet Nova 1972 5.0L / 307 / V8
5.7L / 350 / V8
Square Bore Carb Mounting Flange; 2500-7500 RPM 4.18 in./Rear 5.28 in. Height; 1.92 in. H/1.20 in. Wi Port Size;Legal for Non-Emissions Controlled Vehicles Or For Race Use
Chevrolet Nova 1973 5.0L / 307 / V8
5.7L / 350 / V8
Square Bore Carb Mounting Flange; 2500-7500 RPM 4.18 in./Rear 5.28 in. Height; 1.92 in. H/1.20 in. Wi Port Size;Legal for Non-Emissions Controlled Vehicles Or For Race Use
Chevrolet Nova 1974 5.7L / 350 / V8 Square Bore Carb Mounting Flange; 2500-7500 RPM 4.18 in./Rear 5.28 in. Height; 1.92 in. H/1.20 in. Wi Port Size;Legal for Non-Emissions Controlled Vehicles Or For Race Use
Chevrolet Nova 1975 4.3L / 262 / V8
5.7L / 350 / V8
Square Bore Carb Mounting Flange; 2500-7500 RPM 4.18 in./Rear 5.28 in. Height; 1.92 in. H/1.20 in. Wi Port Size;Legal for Non-Emissions Controlled Vehicles Or For Race Use
Chevrolet Nova 1976 5.0L / 305 / V8
5.7L / 350 / V8
Square Bore Carb Mounting Flange; 2500-7500 RPM 4.18 in./Rear 5.28 in. Height; 1.92 in. H/1.20 in. Wi Port Size;Legal for Non-Emissions Controlled Vehicles Or For Race Use
Chevrolet Nova 1977 5.0L / 305 / V8
5.7L / 350 / V8
Square Bore Carb Mounting Flange; 2500-7500 RPM 4.18 in./Rear 5.28 in. Height; 1.92 in. H/1.20 in. Wi Port Size;Legal for Non-Emissions Controlled Vehicles Or For Race Use
Chevrolet Nova 1978 5.0L / 305 / V8
5.7L / 350 / V8
Square Bore Carb Mounting Flange; 2500-7500 RPM 4.18 in./Rear 5.28 in. Height; 1.92 in. H/1.20 in. Wi Port Size;Legal for Non-Emissions Controlled Vehicles Or For Race Use
Chevrolet Nova 1979 5.0L / 305 / V8
5.7L / 350 / V8
Square Bore Carb Mounting Flange; 2500-7500 RPM 4.18 in./Rear 5.28 in. Height; 1.92 in. H/1.20 in. Wi Port Size;Legal for Non-Emissions Controlled Vehicles Or For Race Use
Barrel Four
Barrels 4
Construction Cast
Cylinder Head Type Standard
Emission N/A
Emission Code 3
Engine Chevrolet Small Block Gen I
Engine Make/Size Chevy Small Block V8
Finish Satin
Front Height 4.180 in.
Fuel System Type Carb
Manifold Type High Rise
Number of Carbs One
Part Type Engine Intake Manifold
Position N/A
Rear Height 5.280 in.
RPM Power Band 2500-7500 RPM
RPM Range 2500-7500
Usage Racing

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