Description
Key points
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Outside diameter ≈ 55 mm – matches the coupling pocket that specifies Part 1291.
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Star-shaped lobes slot between the metal jaws and absorb torsional shock.
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Molded in durable plastic for quiet, vibration-damping power transfer.
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Press-fit design: swap a worn or cracked insert in seconds, no tools required.
Specifications
| Item | Value |
|---|---|
| Part number | 1291 |
| Component | Plastic star (spider) insert |
| Nominal size | 55 mm outside diameter |
| Application | Universal drive coupling shock absorber |





