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Fast Shipping Fits Ls3-style Dbw Throttle Body - Cotton Gauze Element 120-521 Device [3M4ALjki]

$52.99 $169.99 -69%

Fits LS3-Style DBW Throttle Body - Cotton Gauze ElementRetroFilter air cleaners cleverly hide an LS drive-by-wire throttle body inside to maintain a low height and classic looks. Utilizing a hidden opening in the base to hide unsightly wiring from th

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Fits LS3-Style DBW Throttle Body - Cotton Gauze Element

RetroFilter air cleaners cleverly hide an LS drive-by-wire throttle body inside to maintain a low height and classic looks. Utilizing a hidden opening in the base to hide unsightly wiring from the throttle body, this trick air cleaner allows you to experience all the benefits of modern technology and keep the vintage look you want. Pair with any Holley intake manifold with a 4150/4610 square bore flange for maximum aesthetics and performance.

NOTES: While some Gen V LT DBW throttle bodies may share the same bolt pattern, they will not fit properly.

Features:

  • Allows full EFI functionality stealthily hidden within a traditional looking air cleaner package
  • Each kit includes a 3-inch tall, pre-oiled, washable and reusable premium cotton gauze filter element
  • Available in Black and Chrome finishes
  • Adapts to LS style drive-by-wire throttle bodies found on the LS2, LS3, LS7, etc.
  • Can be installed on any vehicle running a top mounted 4150/4BBL EFI capable intake manifold with LS3 DBW wiring components
  • Stamped aluminum lid and base for optimal durability and light weight

Specs:

Base Color Black
Base Gasket Included No
Base Material Aluminum
Base Style 4150
Brand Holley
Configuration Multi Piece
Diameter 14Inch
Emission Code 3
Filter Color Red
Filter Diameter 14 in.
Filter Height 3"
Filter Material Cotton Gauze
Filter Type Cotton Gauze
Finish Black
Flange Gasket Included Yes
Grade Type Performance
Height 3Inch
Housing Color Black
Housing Material Aluminum
Housing Surface Type Smooth
Lid Color Black
Lid Gasket Included Yes
Lid Material Aluminum
Lid Style Plain
Marine Approved No
Material Aluminium
Mounting Hole Quantity 4
Nut Included Yes
Product Type Air Cleaner
Shape Round
Size 14 in.
Snorkel Quantity 2
Snorkel Shape Oval
Stud Included Yes
Warranty Limited 90 Day
Washable/Reusable Filter Yes

What Our Customers Say

January 2, 2026

Absolutely no complaints!

I'm very pleased with the product.

- Dawn K..

January 2, 2026

Absolutely no complaints!

A very high-quality feel.

- Quinn W..

January 2, 2026

Absolutely no complaints!

This is a really good item.

- Pat K..

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