Dynapro 4 Piston Radial Mount Caliper – Part No: 120-7327
Call (805) 388-1188
Dynapro Radial Mount
Prod #: 120-7327
Price: $269.94

Dynapro Radial Mount - Product Summary
Caliper No: 120-7327
Dynapro Radial Mount

Pistons
Piston Count 4
Piston Area (in²) 3.54
Piston Type Aluminum
Dust Boot Yes
Rotor Dimensions
Rotor Width (in) 0.81
Rotor Diameter(in) 12.19
Pad Dimensions
Pad Area (in²) 6.36
Pad Volume (in³) 3
Duty Rating & Material
Material Forged Aluminium
Weight(Lbs) 4.1
Colors & Finish
Color Black
Finish Black Anodize

Mounting
Mount Center(in) 5.98
Mount Position
Mount Side Universal
Mount Type Radial
UPC Number
UPC 889545005165
Product Documents
Product Data Sheet

Click To Download
Installation Instructions


WARNING: Cancer and Reproductive Harm
www.P65Warnings.ca.gov
Applicable to Brake Pads Only

120-7327 - Product Description

Dynapro Radial Mount

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 as 3.58 pounds, the DynaPro has become a favored choice for a broad range of sports, rally, and off-road driving applications.

The 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 macined 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.

The DynaPro is available in four configurations. Standard calipers for rotors up to 12.19” feature dust-booted aluminum pistons for maximum protection against track or road born debris in low to intermediate temperature applications. A long radius version is available to accommodate rotors up to 13.00”. Competition models use heavy wall stainless pistons to provide addition protection against corrosion and heat transfer from the pads. All DyanPro calipers can also be optioned with Thermlock pistons for maximum thermal protection in sustained high-heat applications. Optional side inlet calipers are available to simplify plumbing with inboard mounted brakes on live axles and independent suspension rears.


Vehicle Applications
Driving Environment Street Rods
Vehicle Sub-Types
Application Duty Heavy Duty
Driving Environment Street Performance
Vehicle Sub-Types Domestic
Application Duty Heavy Duty
Driving Environment Street Performance
Vehicle Sub-Types Import
Application Duty Heavy Duty
Driving Environment Rally
Vehicle Sub-Types
Application Duty Medium Duty
Driving Environment Road Race
Vehicle Sub-Types
Application Duty Medium Duty
Driving Environment Late Model Dirt
Vehicle Sub-Types STARS, UMP, IMCA, etc...
Application Duty Heavy Duty
Driving Environment Drag Racing
Vehicle Sub-Types
Application Duty Heavy Duty
Driving Environment Northeast Modified
Vehicle Sub-Types Dirt or Pavement
Application Duty Medium Duty
Driving Environment Open Wheel
Vehicle Sub-Types Sprint, Midget, etc… Dirt or Pavement
Application Duty Medium Duty
Driving Environment Off Road
Vehicle Sub-Types
Application Duty Medium Duty
Driving Environment Industrial
Vehicle Sub-Types
Application Duty Medium Duty

Product Specifications

Rotor Compatibility
Rotor Width (in) 0.81
Maximum Rotor Width (in) 0.86
Minimum Rotor Width (in) 0.75
Maximum Rotor Diameter(in) 12.19
Minimum Rotor Diameter(in) 10.75

Brake Pad Specifications
Brake Pad Type 1 7816
Brake Pad Type 2 N-A
Brake Pad Type 3 N-A
Total Pad Area (in²) 6.36
Total Pad Volume (in³) 3
Mount
Piston Specifications
Piston 1 Bore (in) 1.50
Piston 2 Bore (in) 1.50
Piston 3 Bore (in)
Total Piston Area (in²) 3.54

Mounting Specifications
Mount Type Radial
Mount Side Universal
Mount Center(in) 5.98
Mount Hole Size(in) 0.39
Mount Height(in) 1.61
Inlet Thread Size 1/8-27 NPT
Pad Dimensions & Part Numbers
Pad Dimensions for the Dynapro Radial Mount Pad Dimensions for the Dynapro Radial Mount Zoom Image
Axle Set P/N
Pad Type
Compound
Non-Bedded Pads - by Compounds
7816
BP-10
7816
BP-20
7816
BP-28
7816
BP-30
7816
BP-35
7816
BP-40
7816
BP-45
Mount Dimensions & Part Numbers

Dimensions for the Dynapro Radial Mount Dimensions for the Dynapro Radial Mount Zoom Image

Additional Notes

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. Side inlet DynaPros use additionally fortified bridge bolts in place of the Quick-Clips for the ultimate in secure pad retention within high load environments on sprint cars and other extreme duty applications.

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.


Parts & Accessories

O-Ring Kit 130-8372
Replacement Dust Boot 210-7210
Replacement Piston 1 200-7320
Replacement Piston 2 200-7320
Replacement Piston 3 N-A
Replacement Piston 4 N-A
Cross-Over O-Ring Kit 130-10540
Bridge Bolt Kit N-A
Wear Plate L/H 300-5876
Wear Plate R/H 300-5876
Pad Retainer 300-7316
Bleed Screw Kit 220-6069
Self Bleeder Tube N-A
Cross-Over Tube N-A

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Version: 3.05 June 23, 2023