The Wilwood ST FDLI caliper is a Thermlock-equipped dual-piston option listed with a 1.62 piston and .81" rotor specification. The ST designation indicates enhanced heat-management features that help protect fluid and seals, making this caliper a practical choice where reduced heat transfer and reliable braking are priorities in demanding conditions.
Wilwood ST FDLI Caliper 1.62 .81 Rotor Ano