• Direct replacement for all Wilwood Narrow Dynalite and similar competitive brand calipers with 3.5" mounting center
• Stress-flow forged premium aluminum allow billet bodies
• Type III hard anodized finish allows calipers to better withstand harsh elements under racing conditions
• Internal fluid passage eliminates external cross tubes which helps protect against possible chance of damage
• .810", 1" and 1.25" calipers avaible for your specific rotor width
• 1.38", 1.62", 1.75" piston sizes depending on rotor width