BM®
BM®
BM®

70421

BM® #70421 (84-93) GM 700R4/4L60 Holeshot 3000 Torque Converter (30 Spline Input Shaft - 10.75 and 11.50-inch Bolt Circles - 2800-3200 RPM Stall)

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    Fits 1984-93 GM TH700R4/4L60 automatic transmissions with 30 spline input shaft. This converter does not retain the lock-up feature.

    This HoleShot 3000 fits 1984-93 GM 700R4/4L60 automatic transmissions with 30 spline input shaft. This converter does not retain the lock-up feature. Holeshot torque converters are for serious-minded performance enthusiasts and offer additional strength and durability features not found in our Tork Master or Traveler series of converters. The Holeshot 3000 converter is an excellent choice for vehicles with some performance engine modifications, particularly big cams that tend to reduce low-end power and torque. The higher stall speed of this converter will launch the car in a higher rpm range where more torque is readily available, resulting in quicker acceleration. Holeshot converters feature furnace-brazed impeller fins and turbine, a new precision alloy impeller hub, and new heavy-duty needle bearings. Other features include fully balanced and pressure tested by expert technicians. If your vehicle is equipped with a plate-type nitrous system or supercharger, please refer to the Nitrous Holeshot line of converters. Notes: Stall speed listings are based on engines producing 230lb. ft. of torque at 2,500 rpm. More torque at 2,500 rpm will give you more stall speed, less torque at 2,500 rpm will give you less stall speed than the stall speed ratings indicated. Higher stall converters can generate more heat, so we highly recommend adding a transmission cooler. This converter is Not recommended for supercharged, plate-type nitrous oxide, or trans-brake applications. The product images shown are for illustration purposes only and may not be an exact representation of the product. Does Not fit 4L60E transmissions. Both 10.75 and 11.50-inch bolt circles

    • Precision Balanced on Certified Balance Equipment

    • Copper Furnace Brazed Impeller and Turbine

    • New Precision Alloy Steel Impeller Hub

    • Race Proven Technology & Quality

    Additional Contents

    New needle bearings

    Automotive Item Grade

    High Performance

    Brand

    B&M

    Emission Code

    5

    Flexplate Change Needed

    No

    Furnace Brazed

    Yes

    Indicator Light

    No

    Input Spline

    30

    Lockup

    No

    Material

    Steel

    Product Type

    Automatic Transmission Torque Converter

    Stall

    2800-3200

    Stall Speed

    2,800-3,200

    Stall Torque Ratio

    2800 to 3200 RPM stall

    Transmission

    4L60

    700R4

    UPC

    019695704216

    California Proposition 65 Required

    No

    Part Number

    70421

      

    Install Guide:

     

    Warranty: