Outrigger Boom Tube Kit 28-34 Inch Hulls

Complete boom tube set to replace your original Zippkits parts or use on your own hull.

Fits outriggers in the 28 to 34 inch range generally for .21 nitro or 4S.

Includes everything you need to mount a set of sponsons and hold them in place on your hull.

Includes:

2x 5/16 Carbon boom tubes (choose material and length)

4x Aluminum boom tube sleeves

4x Aluminum boom retaining collars

4x 6-32 screws and nuts

Choose from hollow carbon, solid carbon (19-3/4 inch) or solid carbon  long (23-3/4 inch)

Hollow tubes are OEM for our 21GT and 21OB
Solid is for our R4 and 33FE
Long solid fits our 45GT

  • Model: 3644
  • Shipping Weight: 2 lbs
  • 4 Units in Stock

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Starting at: $35.00

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This product was added to our catalog on Thursday 29 January, 2026.