3151S- Steel, ATC-185S 83, ATC-200S 84-86, TRX-200SX, ATC-250C
3151S- Steel, ATC-185S 83, ATC-200S 84-86, TRX-200SX-4 Trax 1986-88, ATC-250 81-82. 520 Chain size. Available in 42 and 43 tooth sizes. Note: PBI supplies four spacers for mounting sprocket to axle without the use of the factory sprocket carrier. See photos for more detail. Ships in Silver ZINC finish.
- High Quality Carbon Steel - 45C:
- Lightening hole design may vary. :
- Made in USA:
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