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Porsche Brembo 996 BBK Conversion-- let's figure out how to fix the dust boots

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    #241
    Dust boots arrived and I have updated the inventory on the site. Sizes 28-44mm are available!

    Mike
    OPS
    High Temp Caliper Rebuild Kits For Brembo Calipers; Caliper Pistons
    www.ohioperformancesolutions.com
    2007 C4S F77 Aerokit / 2004 E46 M3 / 2018 M3 comp​

    Comment

      #242
      Ordering!

      Just to short cut everyone...
      Fronts are 36 and 40. Rears are 30 and 28. You will need 8 total kits for 4 calipers.

      Caliper Dust Boots (Silicone)
      https://www.ohioperformancesolutions.com/product-page/caliper-dust-boots-silicone
      Looking just to replace your crunchy, heat damaged Brembo dust boots only? We are now pleased to offer the Frenkit Performance Dust Boots sold in pairs for those not needing a complete rebuild! With over 50 years of brake manufacturing experience, Frenkit Performance uses a proprietary high-performance, high-temp peroxide-vulcanized silicone rubber designed for durability. This silicone has excellent mechanical properties, performing reliably between -60ºC and +200ºC without breaking down and handling temperature spikes up to 300ºC with ease! Each kit contains two (2) dust boots Note: Silicone Dust boots must be assembled dry to prevent damage caused by grease!

      2005 IR/IR M3 Coupe
      2012 LMB/Black 128i
      100 Series Land Cruiser
      • Likes 5

      Comment

        #243
        DBA (Disk Brakes Australia) who makes very nice 2 piece rotors did a heat test on the Frenkit Performance dust boots.

        https://youtube.com/shorts/9k5aQ3jjfX4?si=YEgzEOCd0cZp1yWg


        Click image for larger version Name: Screenshot 2025-10-09 at 4.19.20 PM.png Views: 116 Size: 225.1 KB ID: 322327


        Mike
        OPS
        Last edited by OPS; 10-09-2025, 03:54 PM.
        High Temp Caliper Rebuild Kits For Brembo Calipers; Caliper Pistons
        www.ohioperformancesolutions.com
        2007 C4S F77 Aerokit / 2004 E46 M3 / 2018 M3 comp​
        • Likes 3

        Comment

          #244
          Originally posted by OPS View Post
          Tonggi are you running the 996 fronts and rears? Or something else?

          Mike
          When I change out track pads I will confirm part #s for you. I plan to do this rebuild during the winter.

          Comment

            #245
            Good winter project that you can take your time on!
            High Temp Caliper Rebuild Kits For Brembo Calipers; Caliper Pistons
            www.ohioperformancesolutions.com
            2007 C4S F77 Aerokit / 2004 E46 M3 / 2018 M3 comp​
            • Likes 1

            Comment

              #246
              Originally posted by OPS View Post
              Dust boots arrived and I have updated the inventory on the site. Sizes 28-44mm are available!

              Mike
              OPS
              ​Just placed an order for fronts!
              Follow for latest mods

              Comment

                #247
                Originally posted by Nardo S54 View Post

                ​Just placed an order for fronts!
                All packed up and ready for me to drop off at the PO tomorrow am!

                Mike
                High Temp Caliper Rebuild Kits For Brembo Calipers; Caliper Pistons
                www.ohioperformancesolutions.com
                2007 C4S F77 Aerokit / 2004 E46 M3 / 2018 M3 comp​
                • Likes 1

                Comment

                  #248
                  What I worked out with Frenkit were three options:

                  1. Dust boots only
                  2. Caliper rebuild kit (dust boots/piston seals)
                  3. Caliper Rebuild Kit with Pistons (Dust Boots, Piston Seals, Pistons)

                  The choice is up to how much of a rebuild are you planning on doing! These kits are an upgrade to the Brembo EPDM (rubber) seals. These can be used on street (it's just an upgrade) or the track.

                  First choice is Rebuild Kit with Pistons. Only reason to get this kit is your pistons are shot, marred, or they went flying across the room when you disassembled them. If so you will need the following kits of you have the 996 calipers (front and rear):

                  Fronts (Each kit rebuild ONE caliper)

                  36/40 x 32mm Brembo Caliper Rebuild Kit with Pistons | OPS
                  https://www.ohioperformancesolutions.com/product-page/36-40-brembo-caliper-rebuild-kit-with-pistons
                  Applications 36/40 x 32mm Brembo Caliper Rebuild Kit with Pistons Included are the following components: 36mm High Temp Gray Silicone Dust Boot Quantity 2 36mm Pressure Seal, Quantity 2 36x32mm Piston OE specifications Quantity 2 40mm High Temp Gray Silicone Dust Boot, Quantity 2 40mm Pressure Seal, Quantity 2 40x32mm Piston OE specifications Quantity 2 Caliper Temperature Sticker - included free! Silicone Bleeder Caps Note: Silicone Dust boots must be assembled dry to prevent damage caused by grease. This kit services one (1) 36/40 x 32mm Brembo Caliper. Questions? Email us and we will be happy to help you [email protected]


                  Rears (Each Kit rebuilds ONE caliper):

                  28/30 x 30mm Brembo Rebuild Kit with Pistons | Ohioperformancesolutions
                  https://www.ohioperformancesolutions.com/product-page/28-30-brembo-rebuild-kit-with-pistons
                  Applications 28/30 x 30mm Brembo Caliper Rebuild Kit with Pistons: Included are the following components: 28mm High Temp Gray Silicone Dust Boot Quantity 2 28mm Pressure Seal, Quantity 2 28x30mm Piston OE specifications Quantity 2 30mm High Temp Gray Silicone Dust Boot, Quantity 2 30mm Pressure Seal, Quantity 2 30x30mm Piston OE specifications Quantity 2 Caliper Temperature Sticker - included free! Silicone Bleeder Caps Note: Silicone Dust boots must be assembled dry to prevent damage caused by grease. This kit services one (1) 28/30 x 30mm Brembo caliper. Questions? Email us and we will be happy to help you [email protected]



                  So if you dont need the pistons but need to do a rebuild the caliper you can save some money by buying the rebuild kits (Boots and piston seals)

                  Fronts (Each kit rebuild ONE caliper)

                  36/40mm Brembo Caliper Rebuild Kit | Ohio Performance Solutions
                  https://www.ohioperformancesolutions.com/product-page/36-40mm-brembo-rebuild-kit
                  Applications 36/40mm Brembo Caliper Rebuild Kit (996 C2/C4, 997.1/2 C2/C4 & More) Included are the following components: 36mm High Temp Gray Silicone Dust Boot, Quantity 2 36mm Pressure Seal, Quantity 2 40mm High Temp Gray Silicone Dust Boot, Quantity 2 40mm Pressure Seal, Quantity 2 Caliper Temperature Sticker - Included free! Silicone Bleeder Caps Note: Silicone Dust boots must be assembled dry to prevent damage caused by grease. This is also an OE replacement for StopTech/Centric kit part numbers: 143.99036K - 36mm 143.99040K - 40mm Centric 143.37013This seal kit replaces OE Brembo Dust Boot part numbers: 20.4872.44 (20 4872 44) - 36mm 20.4872.46 (20 4872 46) - 40mmThis seal kit replaces OE Brembo Pressure Seal part numbers: 05.5955.56 (05 5955 56) - 36mm 05.5955.58 (05 5955 58) - 40mmThis seal kit replaces OE Brembo Rebuild Kit part numbers: 105.5955.56 (105 5955 56) - 36mm 105.5955.58 (105 5955 58) - 40mm This kit services one (1) 36/40mm Brembo caliper. Questions? Email us and we will be happy to help you [email protected]


                  Rears (Each Kit rebuilds ONE caliper):

                  28/30mm Brembo Brake Caliper Rebuild Kit | OPS
                  https://www.ohioperformancesolutions.com/product-page/28-30mm-brembo-caliper-rebuild-kit
                  Applications 28/30mm Brembo Caliper Rebuild Kit: Included are the following components: 28mm High Temp Gray Silicone Dust Boot Quantity 2 28mm Pressure Seal, Quantity 2 30mm High Temp Gray Silicone Dust Boot, Quantity 2 30mm Pressure Seal, Part Number, Quantity 2 Caliper Temperature Sticker - included free! Silicone Bleeder Caps Note: Silicone Dust boots must be assembled dry to prevent damage caused by grease. This is also an OE replacement for StopTech/Centric kit part numbers: 143.99028K 143.99030K 143.37009 This seal kit replaces OE Brembo Dust Boot part numbers: 20.4872.40 (20 4872 40) - 28mm 20.4872.41 (20 4872 41) - 30mm This seal kit replaces OE Brembo Pressure Seal part numbers: 05.5955.52 (05 5955 52) - 28mm 05.5955.53 (05 5955 53) - 30mm This seal kit replaces OE Brembo Rebuild Kit part numbers: 105.5955.52 (105 5955 52) - 28mm 105.5955.53 (105 5955 53) - 30mm Centric 143.37009Questions? Email us and we will be happy to help you [email protected]



                  OR if you just need dust boots you can order the sizes you need here: (for this example you will need to order two 36/40/28/30mm sizes for a total of 8 kits)

                  Caliper Dust Boots (Silicone)
                  https://www.ohioperformancesolutions.com/product-page/caliper-dust-boots-silicone
                  Looking just to replace your crunchy, heat damaged Brembo dust boots only? We are now pleased to offer the Frenkit Performance Dust Boots sold in pairs for those not needing a complete rebuild! With over 50 years of brake manufacturing experience, Frenkit Performance uses a proprietary high-performance, high-temp peroxide-vulcanized silicone rubber designed for durability. This silicone has excellent mechanical properties, performing reliably between -60ºC and +200ºC without breaking down and handling temperature spikes up to 300ºC with ease! Each kit contains two (2) dust boots Note: Silicone Dust boots must be assembled dry to prevent damage caused by grease!


                  Hope that helps!

                  Mike​
                  OPS
                  High Temp Caliper Rebuild Kits For Brembo Calipers; Caliper Pistons
                  www.ohioperformancesolutions.com
                  2007 C4S F77 Aerokit / 2004 E46 M3 / 2018 M3 comp​
                  • Likes 3

                  Comment

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