Wilwood DynaPro 4 Piston Dust Seal Brake Caliper Radial Mount - 0.81 Inch, Powder Coated Red, 3.00 Sq/in

DynaPro four piston radial mount calipers combine pure race technology with a new generation of Wilwood performance enhancements. The DynaPro combines the versatility of radial mounting with a sleek profile, superior strength, and extreme durability in adverse conditions. With an overall weight as light from just 3.58 pounds, the DynaPro has become a favored choice for a broad range of sports, rally, and off-road driving applications.Stainless steel pistons with dust seals make the calipers ideal for street and competition useStrong and stiff construction for reduced flex and improved braking performanceAvailable to suit rotors (discs) from 10.75 to 12.19" (273-310mm) diameter and from 0.50 to 1.10" (13-28mm) thick (check table below for compatibility)Range of piston sizes to allow calipers to be matched to brake system requirementsThe strength of the DynaPro is a combination of process and design. The process of stess-flow forging re-aligns the internal grain structure of the metal to flow within the contour of the caliper body. This produces a part with superior strength over machined block billet parts or castings. The FEA generated body design features a radial transition between the piston bores and caliper bridges. This eliminates machined steps and shoulders in this critical strength area and substantially increases the resistance against deflection and body separation under high load. Structural deflection and volume displacement testing have proven the efficiency of this innovative design. The bottom line is a firm pedal with outstanding stopping power.  DynaPro calipers use type 7816 pads that are supported from the top by Quick-Clip pad retainers. Quick-Clips allow fast access to the pads for service without the need to dismount the caliper. The Quick-Clip design also allows additional inside radial clearance between the caliper body and the lug hub by eliminating the bottom pad support feet found on other caliper models. The DynaPro incorporates other exclusive Wilwood performance enhancements. Stainless SRS bridge plates eliminate caliper bridge wear from pad gouging while dampening noise and vibration during engagement. Internal fluid passages eliminate the need for external crossover tubes and four corner bleed screws allow effective gas evacuation regardless of mounting location.Calipers are non-handed and sold individually.Please note: Brake pads are not included but are available to purchase from our Motorsport brake pad category. table.tableizer-table { border: 1px solid #CCC; font-family: Arial, Helvetica, sans-serif font-size: 12px;} .tableizer-table td { padding: 4px; margin: 3px; border: 1px solid #ccc;}.tableizer-table th { background-color: #104E8B; color: #FFF; font-weight: bold;} Piston NoPiston Area in²Piston MaterialDisc Ø (Min / Max)Disc WidthInlet ThreadPad Area in²Mount CentresMount Type 42.46Stainless10.75" / 12.19"0.50"1/8" NPT6.385.98"Radial 42.46Stainless10.75" / 12.19"1.00"1/8" NPT6.385.98"Radial 42.46Stainless10.75" / 12.19"0.81"1/8" NPT6.385.98"Radial 42.46Stainless10.75" / 12.19"1.00"1/8" NPT6.385.98"Radial 43.00Stainless10.75" / 12.19"0.81"1/8" NPT6.385.98"Radial 43.00Stainless10.75" / 12.19"1.00"1/8" NPT6.385.98"Radial 43.00Stainless10.75" / 12.19"0.50"1/8" NPT6.385.98"Radial 43.00Stainless10.75" / 12.19"0.81"1/8" NPT6.385.98"Radial 43.00Stainless10.75" / 12.19"1.00"1/8" NPT6.385.98"Radial 43.54Stainless10.75" / 12.19"0.50"1/8" NPT6.385.98"Radial 43.54Stainless10.75" / 12.19"0.81"1/8" NPT6.385.98"Radial 43.54Stainless10.75" / 12.19"1.00"1/8" NPT6.385.98"Radial 44.12Stainless10.75" / 12.19"0.81"1/8" NPT6.385.98"Radial 44.12Stainless10.75" / 12.19"1.00"1/8" NPT6.385.98"Radial 44.12Stainless10.75" / 12.19"0.81"1/8" NPT6.385.98"Radial 44.12Stainless10.75" / 12.19"1.00"1/8" NPT6.385.98"Radial 44.80Stainless10.75" / 12.19"0.50"1/8" NPT6.385.98"Radial 44.80Stainless10.75" / 12.19"0.81"1/8" NPT6.385.98"Radial 44.80Stainless10.75" / 12.19"1.00"1/8" NPT6.385.98"Radial 44.80Stainless10.75" / 12.19"0.50"1/8" NPT6.385.98"Radial 44.80Stainless10.75" / 12.19"0.81"1/8" NPT6.385.98"Radial 44.80Stainless10.75" / 12.19"1.00"1/8" NPT6.385.98"Radial 41.58Stainless11.75" / 13.00"1.10"1/8" NPT6.385.98"Radial