SKU: 70692925328

HolleyEFI SBC 4150 Single Plane Fuel Inject Intake Manifold -Chevy SB V8 300-260

Sale price$280.78 Regular price$311.98
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Description

HolleyEFI SBC 4150 Single Plane Fuel Inject Intake Manifold -Chevy SB V8 300-260Overview: The new single plane EFI 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 manifold is designed to work with 4150 Style Throttle body EFI systems like the Holley 4150 style flange Universal Throttle Bodies. These intake manifolds are designed to accept most stock hardware and accessory brackets, but offer performance features; like an

Overview:

The new single plane EFI 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 manifold is designed to work with 4150 Style Throttle body EFI systems like the Holley 4150 style flange Universal Throttle Bodies. 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 overall height than most single plane manifolds, 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 fuel injector bores have back-cut exits in the runners for better fuel atomization. This design points the injectors at an angle to match the intake runner airflow angle. The black coated fuel rails and rail bracket assortment are included with the manifold for any easy installation with the injectors that you choose to use for your combination. Fuel rail designed for maximum throttle lever clearance. (Injectors are not included) The 300-260 intake manifolds are designed 4150 style Throttle Body EFI 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. Also Available: 20-86 Throttle Cable Bracket, 20-87 Kickdown Cable Bracket

Features:

  • Single Plane Design with isolated Plenum
  • 4150 Square Bore Mounting Flange
  • Power band: 2500-7500 RPM
  • Height: Front 4.18", Rear 5.28"
  • Port Size: 1.92” height 1.20" width
  • Lower Throttle Body Mounting height to help with hood clearance.
  • Holley laser etched logos on the black coated fuel rails and bracket assortment are included so that you can install the injectors of your choice.
  • Fuel injectors are not included
  • Fuel rail designed for maximum throttle lever clearance.

Application:

Year Make Model Submodel Engine Size
Universal

Specs:

Brand Holley EFI
Construction Cast
Emission Code 3
Engine Chevrolet Small Block Gen I
Finish Satin
Front Height 4.18"
Fuel Inlet 9/16-18"
Fuel System Type EFI
Manifold Type High Rise
Product Type EFI Manifolds
Rear Height 5.28"
RPM Power Band 2500-7500
Warranty Limited 90 Day
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 70692925328

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Jonathan
Charlottesville, US
★★★★★ 5
Super Comfortable!
Size: Queen (U.S. Standard)
Super comfortable, I would highly recommend
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Reviewed in the United States on May 30, 2026
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Fran Ikard
San Leandro, US
★★★★★ 4
Happy with product
Size: Queen (U.S. Standard)
Good packaging, fluffs up nicely, no neck pain after use and no allergies !!
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Reviewed in the United States on May 7, 2026
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Megan Stearns
Houston, US
★★★★★ 1
Very thin & no support
Size: Queen (U.S. Standard)
I was thinking these pillows were going to be kind of firm with the way they are described and the picture but they are very thin and when I laid down on it, it was like whatever is in the pillow just instantly moved to each side of my head. Definitely not for me and my neck issues.
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Reviewed in the United States on June 2, 2026
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Gadget Reviewer
Lexington, US
★★★★★ 5
Back sleeper here
Size: Standard
So since they were listed as down alternative, I was interested to see if they had that artificially puffy feel to them. They do get puffed up really well after a day. And the fabric is cool and comfortable. I do feel like these have good quality stuffing and the cover feels nice. I'm a back sleeper and it's just the right amount of bulk under my neck. I usually bunch the pillow up a little bit there so there's a little more pressure under my neck but with these it just felt good to lay on it without having to bunch it up in any special way. So I would definitely recommend them. So far I'm really liking having these pillows.
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Reviewed in the United States on April 20, 2026
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ScienceWriter
New York, US
★★★★★ 5
Nice and Fluffy
Size: Standard
These "down alternative" pillows have been a winner for me. Came two to a package and once they have a couple of days our of the vacuum packaging are nice and fluffy with no noticable odor. Just the right amount of "spring" to them for my taste. Also don't overheat my face/neck as traditional down pillows sometimes have.
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Reviewed in the United States on March 21, 2026

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