Wilwood 120-15566-SI Billet Narrow Dynalite Radial Mount Brake Caliper 4.75in Mount 1.62in Pistons

The Wilwood Billet Narrow Mount Dynalite (NDLR) Radial Mount caliper delivers exceptional braking performance in a compact, lightweight package designed specifically for Sprint and Midget inboard applications. Weighing just 3.00 pounds, this radial mount caliper features a 4.75-inch center mounting configuration engineered for maximum strength and reliability.

Key Features:

• Fully CNC machined billet construction for superior strength-to-weight ratio
• Four 1.62-inch stainless steel cup pistons provide strong, consistent clamping force
• Spacer-less design accommodates 0.38-inch, 0.810-inch, and 1.00-inch width rotors
• Internal fluid ports eliminate external fluid tubes for cleaner installation
• Dual corner bleeds and outboard inlets positioned for standard inboard mounting
• Stainless steel anti-rattle wear plates on bridges reduce wear and eliminate pad noise
• Center bridge bolt ensures added caliper rigidity and positive pad retention
• Single split bridge design maximizes structural integrity
• Top-loading pad design for easy maintenance

This precision-engineered brake caliper combines Wilwood's legendary quality with a compact footprint ideal for racing applications where weight savings and performance are critical. The silver finish (SI) provides both corrosion resistance and professional appearance.