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Instruction Sheets for Part Number WIL-140-18073
Wilwood Narrow DynaPro Radial Mount UTV Race Brake Kits 140-18073
Part Number: WIL-140-18073
Wilwood Narrow DynaPro Radial Mount UTV Race Brake Kits
Disc Brake Kit, Rear, Narrow Dynapro Radial Race, 4 Piston, Gray Calipers, 11.25 in. Rotor, Solid Rotors, BP-28 Pads, Polaris, Kit
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Estimated Ship Date: Nov 4, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
140-18073
Part Type:
Product Line:
Summit Racing Part Number:
WIL-140-18073
Position:
Rear
Front Rotor Included:
No
Brake Rotor Bolt Pattern (in.):
5 x 4.50 in.
Brake Rotor Bolt Pattern (mm):
5 x 114.30mm
Rear Rotor Included:
Yes
Rear Rotor Style:
Solid surface
Rear Rotor Construction:
Solid
Rear Rotor Diameter:
11.25 in./285.72mm
Rear Rotor Thickness (in.):
0.25
Front Caliper Included:
No
Rear Caliper Included:
Yes
Rear Caliper Piston Quantity:
Four
Rear Caliper Material:
Billet aluminum
Rear Caliper Color:
Gray/Silver
Brake Pads Included:
Yes
Friction Material Name:
BP-28
Parking Brake Provision:
No
Minimum Recommended Wheel Diameter (in.):
15 in.
Front Spindles Included:
No
Master Cylinder Included:
No
Brake Booster Included:
No
Remanufactured:
No
Brake Hoses Included:
No
Quantity:
Sold as a kit.
Wilwood Narrow DynaPro Radial Mount UTV Race Brake Kits
Wilwood Narrow DynaPro radial mount race brake kits equip your UTV for high performance.
Motorsports-proven, stress-flow forged aluminum Narrow Dynapro radial mount (NDPR) front and rear calipers provide superior strength to reduce deflection under extreme use. Users will experience better pedal feel, increased brake torque, and longer pad life. Stainless steel pistons are equipped with high-temperature seals to protect brake fluid from heat and dirt.
Along with the calipers, these Wilwood race-spec kits designed for popular Side x Side machines include larger diameter steel rotors mounted to lightweight aluminum hats to reduce piston knockback. The 11.25 in. (285mm) steel rotors improve thermal capacity and are black E-coated. The calipers are Type III hard anodize finished and fitted with Wilwood's BP-28 pads.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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