Wilwood 140-17938 Forged Dynapro Big Brake Front Brake Kits

#83514017938

Wilwood 140-17938 Forged Dynapro Big Brake Front Brake Kits

It requires 15” wheels designed with additional inside clearance to accommodate the larger than stock brake package
The four piston DPL/ST calipers used in this kit feature a forged aluminum body with a Type III Mil-Spec hard anodized, medium gray color finish
Hard anodizing provides superior wear resistance in the piston bores, and high resistance to abrasion and corrosion throughout

$1,913.33

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Product Summary

Front Position, No Value Rotor Diameter, Grey

It requires 15” wheels designed with additional inside clearance to accommodate the larger than stock brake package
The four piston DPL/ST calipers used in this kit feature a forged aluminum body with a Type III Mil-Spec hard anodized, medium gray color finish
Hard anodizing provides superior wear resistance in the piston bores, and high resistance to abrasion and corrosion throughout
Thermlock® pistons are used to reduce heat transfer from the pads to increase fade resistance, and to extend service life by decreasing temperatures in the caliper body, fluid, and seals
Internal damper springs and controlled retraction, high-temperature piston seals assure consistent pedal height from start to finish

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Key Specs

MFG. Part #	140-17938
Position	Front
Rotor Type	Vented
Caliper Pistons	Four
Caliper Finish	Type III Anodized

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Wilwood 140-17938 Details

This kit is configured for dedicated road racing on the 2016-up model year Mazda MX-5 Miatas. It requires 15" wheels designed with additional inside clearance to accommodate the larger than stock brake package. The four piston DPL/ST calipers used in this kit feature a forged aluminum body with a Type III Mil-Spec hard anodized, medium gray color finish. Hard anodizing provides superior wear resistance in the piston bores, and high resistance to abrasion and corrosion throughout. ThermlockÂ® pistons are used to reduce heat transfer from the pads to increase fade resistance, and to extend service life by decreasing temperatures in the caliper body, fluid, and seals. Internal damper springs and controlled retraction, high-temperature piston seals assure consistent pedal height from start to finish. Caliper piston volumes are sized for compatibility with OE power brake boosters and master cylinders, and are easily configured with manual brake conversions and balance bar pedals using appropriately sized master cylinders. Spec37 alloy, GT competition series 11.75" diameter 40 vane rotors are mounted to weight saving forged aluminum lug mount hats. Unsprung and rotating weight are minimized while providing high cooling efficiency and rugged durability with thermal stability in sustained high heat competition. Mounting brackets, including all premium grade fasteners, secure the calipers in the stock location, without modifications. This race winning system is completed with high temperature, high friction, endurance compound race pads selected specifically by application. Stainless steel braided flexlines are included in each kit to complete the installation.

Specs

Our rotors are machined and fully e-coated, just like the rotor hats. This is a protectant coating the prohibits surface rust from forming on the exposed surfaces. Once the parts are installed and being bedded in, the brake pad friction and caliper pressure will remove the coating at the spot the brake pads touch. This will expose the silver iron material underneath.

WARNING:

Cancer and Reproductive Harm – www.P65Warnings.ca.gov

Wilwood 140-17938 Specifications

KEY SPECS
MFG. Part #	140-17938
Brand	Wilwood
Position	Front
Rotor Type	Vented
Caliper Pistons	Four
Caliper Finish	Type III Anodized
Parking Brake Provision	No
Minimum Recommended Wheel Diameter	15 Inch
Rotor Shape	Round
Hardware Included	Yes
Rotor Style	GT Slotted
Spindle Type	Factory Disc Spindle
Front Rotor Included	Yes
Front Rotor Diameter	11.75 Inch
Front Caliper Included	Yes
Rear Caliper Included	No
Front Spindles Included	No
Master Cylinder Included	No
Brake Booster Included	No
Brake Hoses Included	Yes
Rear Rotor Included	No
Color	Grey

GENERAL
Sold in Quantity	Kit
GTIN Code	889545120110
Mount Type	Lug
Total Piston Area	3 sq. in.
Pad Area	2.1 sq. in.
Pad Volume	2.1 cu. in.
Brake Pad Compound	BP-35
Rotor Finish	Plain
Rotor Material Type	Spec-37 Iron
Vane Count	40 Straight Vane
Hat Type	Big Brake Dynamic Lug Drive - Short Offset
Hat Finish	Type III Anodize
Hat Material Type	Aluminum
Hat Offset Dimension	0.76"
Front Rotor Thickness	.81"
Front Caliper Piston	Thermlock
Brake Lines Included	Yes
Brake Pads Included	Yes
Caliper Color	Grey
Hat Bolt Circle 1	4 x 3.93

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Fitment

2017 Fiat 124 Spider

2016-2023 Mazda MX-5 Miata