Sale

Drivetrain Automatic Transmissions and Components

B&M

CNVRTR, TH700R4, HOLESHOT 3500

$1,012.95 $949.95 Save $63.00

SKU: B00M 70444

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INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 70444

This HoleShot 3500 fits 1984-93 GM TH700R4/4L60 automatic transmissions with a 30-spline input shaft. This converter retains 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 3500 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. 10.75-inch bolt circle.

Features:

  • Precision Balanced on Certified Balance Equipment
  • Copper Furnace Brazed Impeller and Turbine
  • New Precision Alloy Steel Impeller Hub
  • Race Proven Technology & Quality

30-Spline Input Shaft - 10.75-inch Bolt Circle - 3200-3500 RPM Stall

MIA's Description

The B&M Holeshot 3500 Torque Converter improves vehicle launch and acceleration by increasing stall speed. This allows the engine to reach a higher RPM before the transmission fully engages, optimizing power delivery for performance applications, especially for modified engines or those equipped with high-performance camshafts. Built with furnace-brazed impeller fins and turbine, and a precision alloy steel impeller hub for durability and strength. It includes heavy-duty needle bearings and is precision balanced and pressure tested for reliability. Installation is direct and straightforward, requiring no drilling or modifications. It fits standard bolt patterns and splines, making it an easy replacement or upgrade for compatible transmissions.

Fitment

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Specifications

BrandB&M
Part NumberB00M 70444

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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