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Spectre 3991 Breather Filter, 10mm Flange (2in OD x 1.75in Height), Black Synthetic Media

$13.99

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Spectre 3991 Breather Filter, 10mm Flange (2in OD x 1.75in Height), Black Synthetic Media

$13.99

$13.99

The Spectre 3991 breather filter, or crankcase vent filter, is designed for universal applications requiring a 10mm (3/8 to 1/2 inch) inlet. This performance filter features a triple chrome-plated steel top and base for a professional finish and long-term durability. It utilizes a pre-dyed black synthetic media that provides consistent color and efficient filtration, arriving factory pre-oiled and ready for immediate installation using the included adjustable worm gear clamp.

  • Manufacturer Part Number: 3991
  • Flange Inside Diameter: 10mm (Fits 3/8" to 1/2" OD tubing)
  • Filter Dimensions: 2-inch Outside Diameter (OD) x 1.75-inch Height
  • Media Material: Pre-dyed synthetic media for lasting black color
  • Construction: Triple chrome-plated steel top and base
  • Installation: Includes adjustable stainless steel worm gear clamp

Note: Legal in California only for racing vehicles which may never be used, registered, or licensed for use upon a highway. Verify CARB status for your specific vehicle before purchase.

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