Boss Hogg 27403

5R55 8 bolt Street Bandit 28-3,200 RPM Lock Up Ford Torque Converter Part Number 27403

$537.18
Skip to product information
Boss Hogg 27403
SKU:
27403

5R55 8 bolt Street Bandit 28-3,200 RPM Lock Up Ford Torque Converter Part Number 27403

In stock
$537.18

Night Stalker Series Torque Converter - FORD 5R55 (8 Bolt)

Enhance your automatic transmission performance with our premium Night Stalker Series Torque Converter. Specifically engineered for the Ford 5R55 application, this extreme-duty unit provides exceptional durability and matching operational characteristics for high-performance or racing builds. Part Number 27403 is meticulously constructed with precision components to ensure flawless power transfer and reliable operation.

Product Specifications

  • Series: Night Stalker Series
  • Part Number: 27403
  • Application Compatibility: Ford 5R55 (8 Bolt)
  • Stall Range: 2,800 - 3,200 RPM Stall
  • Core Diameter: Factory 11 inch Core
  • Bolt Circle Diameter: 8.8125 inches
  • Input Shaft: 21 Spline Input Shaft
  • Impeller Hub: Hardened Chrome Moly construction
  • Bearings: Torrington Style Incased Bearings
  • Stator Design: Modified Heavy Duty Stator
  • Clutch Engagement: Extreme Duty Lock Up
  • Crank Pilot: Factory 1.375 inch Crank Pilot
  • Bolt Size Recommendation: 3/8 by 16 TPI Grade 8 only

Construction & Quality Assurance

  • No Anti-Balloon Plates installed
  • 4 Corner Tac Welded or Furnace Brazed Fins for integrity
  • Leak and Pressure Tested before shipment
  • Digitally Balanced for smooth operation
  • Undergoes strict quality inspections at every stage of manufacturing

Installation & Performance Recommendations

  • Use Type F Transmission Fluid for optimal performance.
  • Always install an additional transmission cooler to manage operating temperatures during hard use.
  • Apply Blue Loctite on appropriate fasteners for maximum hold and leak prevention.

Important Notes

  • All advertised stall ranges are dependent on the specific vehicle setup and driving conditions. Actual performance may vary.
  • For personalized advice or verification regarding your specific vehicle, please contact us at 888-267-7464.
  • Vehicles with significant modifications (intake, headers, exhaust, cam, or gearing) may benefit from upgrading to our Street Bandit Series.
  • For setups including power adders (NOS, Turbocharger, Supercharger, or Trans Brake), we recommend pairing this with our Out Law Series for maximum reliability.
Actual Stall Stall Range Will vary or change depending on Engine/Weight/& Run Out of the Gear.
Anti-Ballooning Plates NO
Balanced Yes
Bell Housing All
Bolt Circle 8.8125
Bolt Size 3/8 X 24 TPI GRADE 8 ONLY
Crank Pilot 1.375
Diameter Core 11 inch
Lock Up Yes
Series Street Bandit
Spline 21
Stall Range 2800-3,200 RPM
Torrington Bearings Yes
Weled Fins 4 cornered