Tera Low 231


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Product Description

The TeraFlex Low231 4:1 heavy duty transfer case kit provides rock-crawling performance without affecting high range gears for daily drivers, or the trip to and from the back country. The Tera Low231’s high input torque rating will handle extreme torque applications. It provides a true 4.0:1 reduction through a heavy duty 5 gear planetary system. The 4.0:1 gear reduction planetary is the heart of the HD 231 transfer case. The planetary assembly features a hardened steel housing and gears. Because of the additional gear reduction when in low range, engine RPMs should be kept under 2500 (remember the planetary is turning at 4 times the engine rpm: 2,500 x 4.0 = 10,000 RPM). Severe transfer case damage can occur if this RPM warning is not observed.

Each TeraFlex Low231 is covered with our exclusive two-year warranty.

  • 21 spline input: Wrangler 1988-2002 4 Cylinder Manual (AX-5), Cherokee 1987-1990 6 Cylinder Automatic (AW4), Cherokee 1987-1990 6 Cylinder Manual (BA-10)
  • 23 Spline Short Input: Cherokee 1991-2001 6 Cylinder Automatic (AW4), Cherokee 1987-1990 6 Cylinder Manual (AX-15), Wrangler 2003-2006 6 Cylinder Automatic (42RLE)
  • 23 Spline Long Input: Wrangler 2003-2004 4 Cylinder Manual (NV-1500), Wrangler 2005-2006 4 Cylinder Manual (NSG370), Wrangler 1988-2006 6 Cylinder Manual (BA-10, AX-15, NV-3550 & NSG370)
  • 23 Spline Long Input w/ automatic seal extension: Wrangler 1988-2002 4 Cylinder Automatic (TF-999, 30RH), Wrangler 1988-2002 6 Cylinder Automatic (32RH)

Additional Information

Input Shaft

21 Spline, 23 Spline Long, 23 Spline Short, 23 Spline long w/seal extension