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| J-47339 |
| C1/C2 Piston Return Spring Compressor Kit |
| 1000 & 2000 Product Families, 3000 SERIES, B200, B300, B400, T200, and T300, 3700 (formerly 3070PT), 4000 SERIES, B500, T400, and T500, 4700/4800 (formerly 4070/4076), Allison |
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| Used to compress the C1/C2 Piston Return Spring on all Allison 1K and 2K tranmissions |