SKU: TBS-2027-100-RETRO
8-71 Blower - The Blower Shop RACE Case "Retro Setback " Billet Race Hi-Helix Front Discharge " Retro-" Next to Hottest 8-71

8-71 - Race - Billet Case / Billet Rotors – High-Helix - Front Discharge ( Retro ) Setback -  Requires a setback plate  

Next to XR1 8-71   for Boost Potential    lot less $$$$$ 

• Billet Case
  • CNC machined 6061-T6 Aluminum
  • Increased Strength over cast
  • Hard Anodized Interior
  • Single Delta bottom opening for Increased Rotor-to-Case sealing (High Efficiency)
  • Removable Top Insert for Increased tunability (7.5” to 10.5”)
  • Inlet designed for use with injector hats
  • Machined for Rear Cooling Nozzles
  • Mirror-Like Polish or Black Anodizing

• Billet Rotors 18 point 
  • 120° Twist (High-Helix)
  • Hard Anodized
  • Full Teflon Stripped (18 Point)
  • Rotor Clearance options available (Alcohol, E-85, Gas)*

• Billet Front Cover
  • Oil Level Sight Glass
  • Oil Drain Plug
  • Polished Pressure Relief Valve

• Billet Bearing Plates
  • Machined Pocket for High Efficiency air flow (Front Discharge – “Retro”)
  • Increased Strength over cast
  • Hard Anodized
• Designed for Track use ONLY-  Alky or nitro ok-    * 
•  
• Excellent for Race applications up to 540 CID
•  
• 2 ¼” Set Back Plate Required (“Retro”)
• Ideal for Higher RPM Engines- Continues to make  boost at above 10, 000 RPM Blower Speed