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Price: $49.95
GM Heavy Duty ReactionSun GearShell
4L60E 4L65E 700R4 The Beast Sun Gear Shell
Extreme duty upgrade for the 700R4 4L60E 4L65E transmissionFits all units 1982-upThe "BEAST"
FitsBearing or Washer Style.
The originalreaction sun gearshell is a major weak spot in the 700-R4 and 4L60E transmissions.
The splines usually get worn down or completely stripped out.
Thisupdated heavy duty reaction sun gearshell that is designed to be strongerthan the originalshell.
The original equipment sun gear shell is notoriously weak in the splined area.Especially with 1996-on units, the originals are even less hardened!Pre-'96, GM engines were TBI and idled at higher RPM after cold start and needed more hardnessto survive stripping (at least through the factory warranty period).The Patented "Beast" is incredibly strong in comparison. The splined area is considerably thicker,and also reinforced by a large chamfered area to help resist twisting common with the thin stock type.Please see comparison pic in the gallery!US Patent No. 6,561,944
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