Centering and Thrust Rings


BT5 (13mm) Thrust Ring. 24 Pack

24 Engine Blocks for Mini Engines. Fits BT-5 Tube.
$4.00

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BT20 (18mm) Thrust Ring. 24 Pack

24 Engine Blocks for Standard Engines. Fits BT-20 Tube. Engine Block or Thrust Ring is used to position the engine in the engine tube.
$6.00

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BT50 (24mm) Thrust Ring. 24 Pack

24 Engine Blocks for 24 mm Engine Mount. Fits BT-50 Tube. Engine Block or Thrust Ring is used to position the engine in the engine tube.
$6.80

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BT50/BT20 Centering Rings. 24 pack

This ring will center a BT-20 tube (standard engine mount tube) within a BT-50 tube.
$5.20

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BT55/BT20 Plywood Centering Rings. 24 Pack

This ring will center a BT-20 tube (standard engine mount tube) within a BT-55 tube. 12 of disks come with engine hook slot.
$18.00

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BT60/BT20 Plywood Centering Rings. 24 Pack

This ring will center a BT-20 tube (standard engine mount tube) within a BT-60 tube. 12 disks have a motor hook slot.
$20.00

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BT80/BT20 Plywood Centering Rings. 12 Pack

This ring will center a BT-20 tube (standard engine mount tube) within a BT-80 tube. 6 disks have a motor hook slot.
$18.00

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BT55/BT50 Plywood Centering Rings. 24 Pack

This ring will center a BT-50 tube within a BT-55 tube. Plywood. 12 rings have a notch to accommodate motor hook.
$18.00

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BT60/BT50 Plywood Centering Rings. 24 Pack

This ring will center a BT-50 tube (24 mm engine mount tube) within a BT-60 tube.
$20.00

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BT80/BT50 Plywood Centering Rings. 12 Pack

This ring will center a BT-50 tube (24 mm engine mount tube) within a BT-80 tube. 6 disks have a motor hook slot.
$18.00

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