HOL-120-520 Holley RetroFilter Drive-By-Wire Air Cleaner – 14-Inch Diameter

HOL-120-520 Holley RetroFilter Drive-By-Wire Air Cleaner – 14-Inch Diameter

Fits LS3-Style DBW Throttle Body – Cotton Gauze Element

Features

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

120-501 – 16-Inch DBW Air Cleaner – Black

120-521 – 14-Inch Dual Snorkel DBW Air Cleaner – Black

120-520 – 14-Inch Dual Snorkel DBW Air Cleaner – Chrome

120-500 – 16-Inch DBW Air Cleaner – Chrome

All part numbers in this series:

*Requires adapter to connect to 4150/4160 square bore flange style manifold – Holley EFI part # 17-93 is recommended.

The opening is 92mm but any 4-bolt pattern LS throttle body will physically fit. We recommend the LS2/LS3/LS7 style but the L33, L76, and L92 should also fit.

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 4150/4160 square bore flange for maximum aesthetics and performance.

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