2001-2010 Duramax LB7/LLY/LBZ/LMM Billet Output Shaft (128021000)
High-horsepower builds push the Allison output shaft past what the OEM casting was designed for — this billet-machined replacement handles transmissions making over 800 RWHP without the failure risk of the stock piece. It's a direct fit for 2001-2010 Allison 1000 transmissions.
- Billet Output Shaft
- Withstands over 800 RWHP
- Billet Steel Construction
- Sold Individually
GM Duramax
2001-2010 LB7/LLY/LBZ/LMM
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