Duramax

Performance Allison 1000 transmissions for 2001-2024 GM Duramax trucks. Stage 1 for daily-driven builds up to 500hp, Stage 2 for modified setups up to 750hp, Stage 3 competition builds rated to 900hp. Available for LB7, LLY, LBZ, LMM, LML, and L5P platforms.

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