Upgrade From Dual Directional Calipers
To Dual Evolution 4 Billet Calipers

 
Upgrade To Evolution 4 Billet Calipers – B1900
• Applies to new Strange dual rear steel brake kits
• Those supplied with two pair of directional calipers

Advantages
• Evolution 4 design improves piston retraction, pedal feel, and stiffness
• High retraction piston and O-ring design to eliminate drag during acceleration
• Results in improved pad wear and exemplary braking efficiency

1) Choose the brake kit part number
2) Ensure part number reflects the pad material desired
3) Purchase brake kit and add upgrade

All Evolution 4 Series Calipers Are Black

Upgrade For Other Kits
For single rear steel brake kit – OPRB07