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SunCoast A1-109100 Billet Output Shaft | 01-10 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SunCoast A1-109100 Billet Output Shaft | 01-10 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

by SunCoast Performance
SKU SUN-A1-109100
$712.95 - $712.95
$712.95
$712.95 - $712.95
$712.95
Product Availability
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Features:

  • Heavy-duty billet steel output shaft for Allison transmissions

  • Designed to handle extreme torque loads in performance and towing applications

  • Precision-machined for a perfect fit and enhanced drivetrain strength

  • Ideal for high-horsepower Duramax builds running large turbos or nitrous

  • Heat-treated and stress-relieved for superior durability under load

  • Drop-in replacement for factory output shaft

The SunCoast A1-109100 Billet Output Shaft is the ultimate upgrade for 2001–2010 GM 2500HD/3500HD trucks running the 6.6L Duramax with an Allison transmission. Stock output shafts are known to fail under heavy load or in high-power builds, making this billet shaft a must-have for anyone pushing their truck to the limit. Whether you're drag racing, sled pulling, or towing on a regular basis, this shaft provides the strength and reliability your drivetrain demands.

Fitment: 2001–2010 GM Silverado/Sierra 2500HD / 3500HD 6.6L Duramax (Allison Transmission)
Warranty: 1-year limited warranty from SunCoast
Fitment Notes: Designed for use with Allison 1000/2000 transmissions. Professional installation recommended. Works best when paired with other drivetrain upgrades.

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