Front Supra GR / BMW Z4 Frenkit Performance Caliper Seal Kit

This kit will suit one caliper only, two kits required for a pair of calipers. Frenkit Performance uses a high-performance, high-temp peroxide-vulcanized silicone rubber designed for durability. This silicone has excellent mechanical properties, performing reliably between -60°C and +200°C without breaking down and handling temperature spikes up to 300°C with ease. The elongation, tensile strength, and tear resistance found in the Frenkit parts are far superior to other brands; Even after aging at 200°C for 70 hours, Frenkits material retains its properties 30% better than competitors. At higher temperatures, the difference is even more striking: after 2 hours at 300°C, components from other manufacturers crack and become brittle, while Frenkit components remain flexible, durable, and completely functional under stress. 40/44mm Brembo Brake Caliper Rebuild Kit Included are the following components : 40mm High Temp Gray Silicone Dust Boot, Quantity 2 40mm Pressure Seal, Quantity 2 44mm High Temp Gray Silicone Dust Boot, Quantity 2 44mm Pressure Seal, Quantity 2 Caliper Temperature Sticker , Quantity 1 Bleeder Cap High Temp Gray Silicone, Quantity 2 This also is an OE replacement for StopTech Rebuild Kit part number : 143.99040K - 40mm 143.99044K - 44mm Centric 143.03005 This seal kit replaces OE Brembo Dust Boot part numbers : 20.4872.46 (20 4872 46) - 40mm 20.4872.48 (20 4872 48) - 44mm This seal kit replaces OE Brembo Pressure Seal part numbers : 05.5955.58 (05 5955 58) - 40mm 05.5955.60 (05 5955 60) - 44mm This seal kit replaces OE Brembo Rebuild Kit part numbers : 105.5955.58 (105 5955 58) - 40mm 105.5955.60 (105 5955 60) - 44mm This kit services one (1) caliper.