Black Widow Turbo 400 (WHOLESALE)

The Black Widow Turbo 400 from Next Level Engine & Transmission is engineered for serious performance applications where strength, consistency, and precision are everything. Rated to handle up to 1,000 horsepower, this transmission is purpose-built for competition, drag racing, and high-horsepower street builds that demand flawless power delivery and absolute reliability.

Each transmission is hand-built by a master technician using premium performance components and race-proven modifications. Every unit is carefully inspected and tested to ensure consistent hydraulic performance and maximum durability under extreme conditions. Once complete, the technician personally signs the transmission — a mark of pride and craftsmanship that defines the Next Level standard.

The Black Widow Turbo 400 delivers brutal strength, precise shifts, and bulletproof reliability for high-horsepower builds. Whether you’re launching off the line at the track or pushing your truck or car to the limit, this transmission is engineered to perform and built to dominate.

Recommended For

• Performance and competition builds up to 1,000 HP
  
• Drag racing, track, and high-horsepower street applications
  
• High-torque boosted engines
  
• Drivers who demand maximum performance, precision, and durability
  
• 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

• SFI Certified Bellhousing
• Billet Input Shaft
• Full Manual Reverse pattern Valvebody
• Race Prepped Factory Case
• Short Output Shaft
• 34 Element Sprag
• 4L80E Style Direct Drum
• Billet aluminum Valve Body
• Reverse Shift Pattern
• Performance Green Race Clutches
• Performance Steels
• New Gaskets and Seals
• Deep Aluminum Pan
• Next Level Custom Paint

Warranty:

Includes: a 2-year / unlimited miles warranty. 

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