Spectre 47621 Air Cleaner Assembly

Part Number
Spectre Extraflow Custom Assembly
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Spectre's 14 inch by 3 inch tall Extraflow air filter assembly is designed to fit throttle body injection assemblies and carburetors with a 5-1/8 inch neck flange. Featuring a zinc plated 1-1/4 inch drop base for increased hood clearance, this assembly requires 2.9 inches of clearance above the carb flange when installed. This assembly includes an ExtraFlow filter lid, which increases filter area and allows it to outperform standard closed lids. Available with black synthetic media, our Extraflow assemblies are designed to provide greater performance than ordinary paper filters by increasing air flow into the engine.

BRAND: Spectre


  • Spectre Extraflow Custom Assembly
  • Spectre Extraflow Custom Assembly
  • Spectre s Extraflow 14 by 3 inch air filter assemblies fits TBI/carburetors with a 5-1/8 inch neck flange. The Extraflow air filter lid allows air to flow in through the top and is available with black media.
  • Factory PreOiled Synthetic Filter
  • Made From PreDyed Synthetic So Color Will Never Fade
  • Easy To Install With No Special Skills Or Tools Required
  • Made From High Quality Material
  • Ready To Use


Air Filter Element WashableYes
Air Filter Height3.000 in. (76mm)
Air Filter Inside Diameter12.406 in. (315mm)
Filter ColorBlack
Filter MaterialNon-Woven Synthetic
FinishBlack Filter; Chrome Top
Inlet Diameter5.125 in. (130mm)
Item Weight4.700 lbs. (2.1 kg)
Machine WashableYes
Mounting Hardware IncludedYes
Neck Flange5.125 in. (130mm)
Oil IncludedNo Filter Oil Required
Overall Height2.906 in. (74mm)
Package MaterialPaperboard
Package TypeBox
Prop 65 (C, R or CR)CR
Prop 65 Warning Labelhttps://www.knfilters.com/images/l/prop65.jpg
Replacement Filter48021
TitleSpectre SPE-47621 Spectre Extraflow Custom Assembly
Top MaterialChrome
Top StyleExtraflow
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov


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