Duramax Allison 1000 C-2 Clutch Hub View larger

Duramax Allison 1000 C-2 Clutch Hub

A1-109300

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C-2 clutch hub for GM Duramax Allison 1000 transmission, made from 4140 HTSR billet steel

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$515.00

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This billet steel C-2 clutch hub for GM Duramax Allison 1000 transmission addresses early failure of the C-2 clutch hub in high torque/horsepower applications.

  • Made from 4140 HTSR billet steel
  • Lengthened spline (additional 1/8") for more contact, plus a spline boss diameter increase of .100" for added strength
  • Adds only 2.8 oz over OEM part, for no weight penalty for strength
  • Includes modified thrust washer

This hub requires machining modification to P1 Sun Gear Required (see downloads below).

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Duramax Allison 1000 C-2 Clutch Hub

Duramax Allison 1000 C-2 Clutch Hub

C-2 clutch hub for GM Duramax Allison 1000 transmission, made from 4140 HTSR billet steel

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A1 Sun Gear Mod Instructions

Allison 1000 Sun Gear Mod Instructions for C-2 Clutch Hub

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