Helical Limited Slip Differential for use with 


  • Triumph GT6
  • Triumph Herald
  • Triumph Spitfire
  • Triumph Vitesse
  • Triumph TR7 4-speed


The advantages of the Blackline Helical LSD include:


  • Equal rotational speed to both wheels
  • Torque distributed according to traction
  • Minimal service requirements - no clutches
  • Quick reaction compared to viscous LSD setups
  • Gentle and progressive engagement, low noise
  • Easily controlled power on take-off and drifting
  • Gears and body manufactured from 8620 alloy steel
  • Direct replacement into a stock differential
  • Top quality at a competitive price

Blackline HLF080 - Triumph GT6 / Herald / Spitfire ATB Helical LSD

  • Suitable for Triumph GT6, Triumph Herald, Triumph Spitfire, Triumph Vitesse, Triumph TR7 4-speed (check with us for suitibility)