Description
When every millisecond matters on the track or street, your braking system can’t afford to compromise. The PM Caliper 137 X 4B delivers 20% better stopping power than OEM units through monobloc construction that resists flex and fade under extreme conditions. This is precision engineering built for drivers who demand reliability when it counts most.
Engineered in the U.S.A. and compatible with both ABS and non-ABS systems, this left caliper integrates seamlessly into your existing brake setup without sacrificing performance or safety margins.
- Monobloc construction design
- 20% improved stopping power
- Fits 11.8″ rotors (300mm)
- Black anodized finish
- Left-side caliper
- ABS compatible
- Non-ABS compatible
- Works OEM master cylinders
- Works aftermarket cylinders
- Bolt-on installation
- Made in U.S.A.
- MPN: 0053-2957-MC






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