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DHD 600-740 DHD Heavy Duty 4140 GM AAM 11.5 38 Spline Rear Axle Spool

600-740 - AXLE
Was: $1,449.00
Sale: $1,325.00
Save: 9%
Save: $124.00

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DHD's Billet Chromoly 38 Spline Spool is the marketplace leader for strength, features and innovation. For years our spools have been the trusted choice of countless Pro Street, Pro Stock, 2.5, 2.6, 3.0 pullers and drag racers with AAM 11.5 axles. Each spool is crafted from solid 4140 material and manufactured right here in the USA. 


  • Heat Treated 4140 Chromoly Construction
  • 38lb Total Weight
  • Extra Thick Ring Gear Support
  • Accepts DHD 38 Spline Shafts Only
  • Hard Turned Locating Surfaces
  • Made in the USA!


  • 1999-2020 GM 2500/3500HD Trucks with AAM 11.5" 14 Bolt Rear Axle
  • LB7, LLY, LBZ, LMM, LML, L5P

Important Notes:

This spool is dimensional designed to function with DHD 38 axle shafts only. Yukon and various other manufactures utilize a different pressure angle on the drive splines.

Does not have provision for Dodge Reluctor Wheel. Will not work on trucks requiring rear axle speed input. 


Shipping Information

  • Item Requires Shipping
  • 38.0 lbs.
  • W13.0000” x H13.0000” x L13.0000”
  • Free Shipping

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