Black Widow Stage 1 47/48 400 HP Max (WHOLESALE)

The Black Widow Stage 1 47/48 from Next Level Engine & Transmission is built for drivers who want a dependable, upgraded transmission that delivers better performance and reliability than stock. Rated for up to 400 horsepower, this unit is ideal for towing, daily driving, and lightly modified trucks that need consistent strength and smooth operation.

Each unit is handcrafted by a single master technician from start to finish, ensuring every component is assembled to exacting standards. Once complete, the technician personally signs the unit — a true mark of pride and craftsmanship that defines every Next Level build.

Each valve body is custom configured to match the customer’s specific truck setup and individually tested prior to installation, ensuring optimal hydraulic performance, shift quality, and pressure control for every build.

The Black Widow Stage 1 47/48 features upgraded internal components, enhanced hydraulic efficiency, and reinforced clutch materials designed to handle increased power with confidence. Whether you’re towing heavy or driving daily, this transmission provides dependable performance and long-lasting durability you can trust.

Recommended For:

• Trucks producing up to 400 HP
  
• Daily driving and towing applications
  
• Lightly tuned or stock engines
  
• Drivers looking for a reliable upgrade with improved strength and drivability
• This Transmission Features The Following:

Tear Down & Cleaning:

• The transmission is fully disassembled, and all soft, wear-prone parts are replaced with brand-new, high-quality components.
  
• Cases and housings are deep-cleaned in a 190° hot wash system to remove all residue and contaminants.
  
• Hard parts are hand-inspected and cleaned individually, with any questionable components replaced before reassembly.
  
• The case is thoroughly checked for cracks, wear, or damage to ensure a flawless foundation for the build.

Upgraded Internal Components:

• Heavy duty direct drum piston 
• Single Disc Billet Torque Converter
• Borg Warner Clutches and Steels 
• Borg Warner Power-Pack Overdrive 
• High pressure valve body 
• Billet band strut 
• Billet Accumulator 
• HD Flexband 
• OEM Governor pressure solenoid 
• High pressure transducer
• Next Level Custom Paint

Warranty:

Includes: a 2-year / unlimited miles warranty. 

Important Notice: Trucks equipped with tires larger than 35 inches are not covered under warranty unless there is documented proof of a differential gear ratio change.

Note:

Next Level Engine & Transmission reserves the right to alter, update, or substitute build components and specifications at its discretion, without prior notice or obligation. These adjustments may be made to help customers meet specific timelines while maintaining the highest standards of quality, durability, and efficiency.

Returns:

*We accept returns within 10 days of receipt, as long as the transmission is in like-new condition and has not been installed. Please note that a 25% restocking fee applies, and customers are responsible for return shipping costs.