K&N 85-4600

Performance Products > Adapter Screw On Qty 8
List Price: $40.47
Your Price: USD $25.99

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These adapters are used with K&N's RD-4600 Universal Air Filter to fit onto Hillborn 2-1/4 In. restrictor stacks. Package includes eight adapters.

  • Manufactured using high quality materials
  • Engineered for performance
  • Fits Hillborn 2-1/4 inch restrictor stacks
  • Made in USA
  • Backed by K&N warranty

Product Specifications

Adapter Flg OD2.5 in (64 mm)
Carburetor Flange Size2.25 in (57 mm)
Flange TypeAdapter
Height1 in (25 mm)
Outside Diameter2.5 in (64 mm)
Package Contents8 Adapters
Product Box Height5.75 in (146 mm)
Product Box Length5.38 in (137 mm)
Product Box Width5.38 in (137 mm)
Product StyleAdapter Flanges
Weight0.5 lb (0.2 kg)
Width2.188 in (56 mm)