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Grassroots Performance custom line of AN fittings are made of high-grade anodized T-6061 Aluminum. Our AN fittings utilize a double O-Ring line adapter and a triple seal design that ensures a long-lasting professional grade fitting you can trust. Grassroots distinguished AN fittings have a titanium hose end with a brushed black 360-degree swivel head and our infamous "G" logo. Don't be fooled by light-weight imitations - our heavy-duty fittings are designed using industry-leading standards, materials, and practices to ensure a perfect seal you don't need to think about on or off the track. All AN fittings are suitable and tested for use with: 

    • PTFE Oil
    • Fuel
    • Air
    • Gas

    AN Fitting Sizes

    Equivalent Tube Size OD

    Male Thread Size

    Wrench Size

    Hose I.D.

    O.D.

    -2

    1/8"

    5/16"-24

    N/A

    N/A

    N/A

    -3

    3/16"

    3/8"-24

    1/2"

    N/A

    N/A

    -4

    1/4"

    7/16"-20

    9/16"

    7/32"

    7/16"

    -5

    5/16"

    1/2"-20

    N/A

    N/A

    N/A

    -6

    3/8"

    9/16"-18

    11/16"

    11/32"

    35/64"

    -8

    1/2"

    3/4"-16

    7/8"

    7/16"

    41/64"

    -10

    5/8"

    7/8"-14

    1"

    9/16"

    51/64"

    -12

    3/4"

    1 1/16"-12

    1 1/4"

    11/16"

    15/16"

    -16

    1"

    1 5/16"-12

    1 1/2"

    7/8"

    1 5/32"

    -20

    1 1/4"

    1 5/8"-12

    1 7/8"

    1 1/8"

    1 7/16"

    -24

    1 1/2"

    1 7/8"-12

    N/A

    1 3/8"

    1 45/64"

    -28

    1 3/4"

    2 1/4"-12

    N/A

    1 1/2"

    1 13/16"

    -32

    2"

    2 1/2"-12

    N/A

    1 3/4"

    2 3/32"

    **All measurements are in inches unless stated otherwise.

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