Wilwood’s next generation XRZero race calipers combine decades of race experience, computer finite element analysis, and state-of-the-art machining into a race caliper that is lighter and stiffer, with zero drag. The unique high surface area body shape creates a caliper with superior brake fluid cooling and allows more air to flow through the rotor.
Features:
- Optimized profile high-temperature seals for better piston retraction and zero drag
- Unique center X-bridge strengthens caliper without adding mass or obstructing airflow
- FEA design and precision machining results in a caliper weighing just 4.66 lbs — ½ pound less than a comparable Wilwood Superlite
- Innovative high surface area body removes unnecessary bulk, improving cooling without increased deflection
- Hard-anodized inside and outwith durable Type III aluminum-oxide ceramic finish
- Staggered-bore front calipers provide more even engagement and improved pad wear
- Thermlock® thermal barrier pistons and high-temperature seals reduce heat transfer to fluid
- Single-point bleed technology with low-profile bleed screws for more efficient fluid bleeding
- No-bind retaining pins hold your choice of race compound brake pads
- 0.80″/20.3mm thick brake pads for extended service life
- Three piston sizes for front and rear use and 0.81″ or 1.25″ width rotors
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