SKU: BM117101

BRAND: B&M

Street/Strip Transmission
GM TH-700/4L60 '84 Or Later 30 Spline Converter, For High Perf & Mild Strip Use


Out of Stock
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Suitable for use behind engines producing up to 450 lb/ft of torque which covers most small blocks and mild big blocks. A low first gear ratio and overdrive 4th make these very desirable units. Won't replace 4L60E applications (post '93).

  • 4 speed GM transmission
  • 3:06 1st gear ratio, 1:63 2nd, 1:1 3rd & .70 OD ratio.
  • Corvette 2-4 servo assembly.
  • Recalibrated valve body.
  • New overdrive sprag assembly.
  • New external electric connector.
  • Rebuilt front pump & governor with new gear.
  • All new B&M high performance friction plates.
  • New thrust washer kit, races, thrust bearings bushings & 2-4 band.
  • High performance reaction carrier assembly.
  • Can be used with Lock-up Control unit.
  • Heavy duty sunshell.
  • Input housing includes support ring.
  • Improved on sun gear.

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