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