SHLPDFM black carb spacer, 1-set, enhances heat isolation and intake efficiency.
SHLPDFM open-design spacer for Holley 4150/4160, boosts plenum volume.
SHLPDFM phenolic spacer showing insulation properties for temperature stability.
SHLPDFM spacer with mounting hardware and gaskets included.
SHLPDFM black carb spacer, 1-set, enhances heat isolation and intake efficiency.
SHLPDFM open-design spacer for Holley 4150/4160, boosts plenum volume.
SHLPDFM phenolic spacer showing insulation properties for temperature stability.
SHLPDFM spacer with mounting hardware and gaskets included.

SHLPDFM 1-Set Black Phenolic Carb Spacer for Holley 4150/4160 4bbl

OverviewDiscover the SHLPDFM 1-Set Black Phenolic Carb Spacer, designed to fit Holley 4150/4160 square-bore four-barrel carbs. Crafted...
Vendor: SHLPDFM
Availability: In stock
£39.15
£39.15
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Subtotal: £39.15
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SHLPDFM black carb spacer, 1-set, enhances heat isolation and intake efficiency.

SHLPDFM 1-Set Black Phenolic Carb Spacer for Holley 4150/4160 4bbl

£39.15
SHLPDFM black carb spacer, 1-set, enhances heat isolation and intake efficiency.
SHLPDFM open-design spacer for Holley 4150/4160, boosts plenum volume.
SHLPDFM phenolic spacer showing insulation properties for temperature stability.
SHLPDFM spacer with mounting hardware and gaskets included.

SHLPDFM 1-Set Black Phenolic Carb Spacer for Holley 4150/4160 4bbl

£39.15
Description
Description
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Overview

Discover the SHLPDFM 1-Set Black Phenolic Carb Spacer, designed to fit Holley 4150/4160 square-bore four-barrel carbs. Crafted from phenolic resin, this spacer provides thermal separation between the intake manifold and carburetor, helping maintain a stable air and fuel path under varied driving conditions.

Ideal for enthusiasts who value consistent performance across temps, the spacer offers a simple upgrade path without requiring a full manifold overhaul. The result is a cleaner, potentially denser air charge that can support a responsive throttle feel and smoother mid to high RPM operation.

Key Benefits

  • Compatibility: Fits Holley 4150/4160 square-bore 4-barrel carbs and similar brands used on Chevy, Ford, and Mopar engines.
  • Two thickness options: 0.5 inches or 1/2 inch, allowing you to tailor spacer height to your intake gap and gasket stack.
  • Phenolic insulation: The resin-based material helps limit heat transfer from the intake to the carb, contributing to a more stable air-fuel mix.
  • Open design with multi-venturi effect: Increases plenum volume for potential high RPM power, while the 4-hole pattern supports mixture velocity at lower and mid-range RPM.
  • Complete kit: Includes 1 spacer, 2 gaskets, and mounting hardware for a straightforward install.

Real-World Use and Setup

When installed, the spacer sits between the carburetor and intake manifold, creating a small thermal barrier that can help keep intake temperatures steadier during sustained accelerations. The open design helps enhance air flow into the plenum, which may translate to more consistent response during spirited driving. Remember, results depend on your overall setup, including manifold, carb tuning, and exhaust configuration.

Installation Tips

Before installation, verify your carburetor base pattern matches the Holley 4150/4160 square-bore design. With two thickness options, you can fine-tune the spacer height to accommodate your gasket stack and manifold height, aiming for a clean seal and proper air seal between components.

FAQ

Q: What carburetors is this spacer compatible with?

A: Compatible with Holley 4150/4160 square-bore 4-barrel carbs and similar brands.

Q: What does the set include and what are the materials?

A: Phenolic spacer; includes 1 spacer, 2 gaskets, and mounting hardware.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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