This aluminum spacer seats around the nose of a 550 class motor and allow sit to mesh correctly with the input plate of a 57 Sport Gearbox.
- Bore: 0.515 in. [13.1 mm] Round
- Inside Diameter: 0.515 in. [13.1 mm]
- Length: 0.250 in. [6.4 mm] (1/4)
- Material: Aluminum
- Outside Diameter: 0.690 in. [17.526 mm]
- Thickness: 0.25 in.
- Weight: 0.004 lbs
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