Ultralite Rotors – Part No: 160-8814
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Ultralite 32 Vane Scalloped Rotor
Prod #: 160-8814
Price: $97.14

Ultralite 32 Vane Scalloped Rotor – Product Summary
Rotor No: 160-8814
Wilwood Ultralite 32 Vane Scalloped Rotor Wilwood Ultralite 32 Vane Scalloped Rotor Zoom Image

Rotor Dimension Diagram
Ultralite 32 Vane Scalloped Rotor Dimension Diagram Ultralite 32 Vane Scalloped Rotor Dimension Diagram Zoom Image

Rotor Dimensions
Width (in) 1.25
Diameter (in) 11.75
Mount Side
Rotor Design
Material Iron
Vane Count 32 V
Weight(Lbs) 6.40
Rotor Style & Finish
Type UL Scalloped
Style Plain Face
Surface Finish Plain
Rotor Upgrades
Bedded No
Balanced No
UPC Number
UPC 889545040814
160-8814 – Product Description

Ultralite 32 Vane Scalloped Rotor

When it comes to rotors, racers are constantly searching for the ultimate balance between the lowest weight and the ability to effectively manage heat. Decreased rotating weight in the drive line provides quicker deceleration under braking and quicker acceleration out of the corners. Lower weight also benefits handling with improved spring and shock control over the unsprung suspension mass. Two options are available: Wilwood's 160-8343 Ultra Light Weight ULS-32 scalloped iron rotor provides effective lightweight options for sprints, late models, modifieds, and other competition applications that race in low to medium temperature ranges. Weighing in at 5.3 Lbs., it is the lightest scalloped iron rotor around or the medium weight option 160-8814 at 6.45 lbs. that gives added mass and durability.


Performance Characteristics
• Scalloped Rotors are unsafe for street use.
• Suitable applications: Light Dirt Racing

• Can result in failure if misused.

Vehicle Applications
Driving Environment Late Model Dirt
Vehicle Sub-Types STARS, UMP, IMCA, etc...
Application Duty Light Duty
Driving Environment Northeast Modified
Vehicle Sub-Types Dirt or Pavement
Application Duty Light Duty
Driving Environment Open Wheel
Vehicle Sub-Types Sprint, Midget, etc… Dirt or Pavement
Application Duty Light Duty
Driving Environment Off Road
Vehicle Sub-Types
Application Duty Light Duty

Additional Rotor Dimensions

Rotor Bolt Circle (in) 8 x 7.00
Rotor Mount Hole Size (in) 0.326
Lug ID / Registration (in) 6.38
Far Side Inside Diameter (in) 8.75
Offset Dimension (in)

Shoe Inside Dimension (in)
Clearance Inside Diameter (in)
Wheel Bolt Circle (in
Stud Diameter (in)
Face Thickness (in)

Additional Notes

Ultra Light Weight ULS-32 Series Scalloped Rotors feature a fully machined scallop configuration that provides the highest degree of weight reduction on a vented straight vane iron rotor. Scallop machining will remove as between 2.3 to 3.5 pounds, or nearly 40% of the rotor mass. The vented castings provide increased cooling capacity over machined steel plate rotors, with improved structural durability over drilled rotor designs.



 
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Version: 1.5.3 February 4, 2021