The Wilwood SRP48 Series Iron Rotor is engineered for high-performance braking, utilizing a sophisticated directional cross-drill and face-slot pattern to improve response and pad performance. Designed for left-hand (LH) fitment, this 12.88-inch rotor provides consistent venting and cleaning action to reduce pad glaze and disperse gases and heat generated during the pad-to-rotor interface.

This specialized machining inhibits irregular pad compound build-up on the rotor faces, resulting in smoother engagement and improved pedal response across all conditions. The material removal also contributes to lower rotating and unsprung suspension weight for better overall vehicle dynamics. Each rotor features a black electrophoretic finish for corrosion resistance and a clean aesthetic.

• Manufacturer Part Number: 160-9962-BK
• Series: SRP48
• Material: Iron
• Finish: Black
• Orientation: Left Hand (LH)
• Pattern: Directional Cross-Drilled and Slotted
• Diameter: 12.88 inches
• Width: 0.810 inches
• Mounting: 12 on 8.75-inch bolt circle

The Wilwood SRP48 Drilled Performance Rotor (160-9961-BK) is engineered to enhance brake response and pad consistency across the entire braking spectrum. Designed for right-hand (RH) fitment, this iron rotor utilizes a directional cross-drill and face slot pattern to effectively manage the thermal and mechanical stresses of performance driving.

The specialized venting and cleaning action of the holes and slots reduces pad glaze and disperses the gases and heat generated at the pad-to-rotor interface. This design prevents irregular pad compound build-up, ensuring smoother engagement and a more predictable pedal feel. Additionally, the strategic removal of material reduces rotating mass and unsprung suspension weight for improved handling dynamics.

• Manufacturer Part Number: 160-9961-BK
• Series: SRP48 Drilled
• Material: Precision-cast Iron
• Finish: Black Electro-Coat
• Dimensions: 12.88" Diameter x 0.810" Thickness
• Mounting: 12 on 8.75" Bolt Circle
• Configuration: Right Hand (RH)
• Design: Directional cross-drilled and face-slotted

The Wilwood GT-48 Curved Vane Rotor (MPN 160-9960) is engineered for the rigorous demands of professional motorsports, including short track and road course competition. Cast from premium long-grain carbon iron, this left-hand (LH) directional rotor provides exceptional thermal stability and resistance to distortion under extreme heat. The heavy-wall construction increases heat absorption and dissipation, effectively preventing brake fade during high-intensity racing.

Every GT-48 rotor is precision-machined to eliminate stress points and reduce rotational weight without compromising the pad sweep face. The faces and outer diameter are turned to tolerances of less than .001 inch for maximum flatness and parallelism. An asymmetrical face slot pattern reduces harmonics for smoother engagement while improving thermal balance. To ensure vibration-free performance at high speeds, each unit is individually dynamic balanced.

• Part Number: 160-9960
• Rotor Series: GT-48 Curved Vane
• Orientation: Left Hand (LH)
• Diameter: 12.88 inches
• Width: 0.810 inches
• Mounting: 12-bolt on 8.75-inch bolt circle
• Material: Long-grain carbon iron
• Run-out Tolerance: < .001 inch

The Wilwood GT-48 curved vane rotor (MPN: 160-9959) is engineered for the extreme thermal demands of professional motorsports, including short track and road course competition. Cast from premium long-grain carbon iron, this right-hand directional rotor provides exceptional heat absorption and dissipation to prevent brake fade and extend the service life of both rotors and pads.

Each rotor undergoes detailed machining to eliminate stress points and remove unnecessary weight away from the pad sweep face. The faces and outer diameter are precision turned to tolerances of less than .001" for maximum flatness and parallelism, while an asymmetrical face slot pattern reduces harmonics and ensures smooth engagement. To ensure vibration-free performance at high speeds, every unit is individually dynamic balanced.

• Material: High-stability long-grain carbon iron
• Vane Style: Directional curved vanes for maximum cooling
• Mounting: 12-bolt on 8.75" bolt circle
• Dimensions: 12.88" diameter x 0.810" width
• Orientation: Right Hand (RH)
• Tolerance: Precision turned to less than .001" for flatness and parallelism
• Part Number: 160-9959

Engineered for custom show cars and high-performance sport driving, the Wilwood SRP Series directional cross-drilled and slotted rotor provides both aggressive aesthetics and reliable thermal management. This left-hand (LH) rotor features a specialized hole and slot pattern that acts as a cleaning mechanism, reducing pad glaze and minimizing irregular pad build-up to ensure a consistent pedal feel and response.

• Precision Engineering: Machined from high-quality long-grain carbon iron castings with tolerances held to less than .001 inch for flatness, parallelism, and radial run-out.
• Corrosion Resistance: Finished with a black electro-coat (E-coat) to protect against rust while maintaining a clean, technical look behind the wheel.
• Performance Vented Design: The directional drill and slot configuration aids in gas venting and heat dissipation during spirited driving.
• Specifications: 12.19-inch diameter, 0.810-inch thickness, 1.91-inch offset, and 5-lug mounting pattern.
• Part Number: 160-9813-BK

The Wilwood Steel Scalloped and Drilled Brake Rotor (MPN: 160-9772) is engineered for specialized motorsports where weight reduction and rotating mass are critical performance factors. Manufactured from a proprietary steel alloy, these rotors provide a durable, lightweight solution for applications that experience low to moderate sustained temperatures with occasional high-heat spikes.

The scalloped and drilled design significantly reduces unsprung weight, improving acceleration and handling response in sprint cars, modifieds, and open-wheel road racers. These rotors are also highly effective for drag racing applications requiring a hard stop at the trap or stock cars during high-speed qualifying sessions. The specialized alloy and proprietary manufacturing process ensure high resistance to thermal distortion while maintaining excellent friction and wear characteristics against the pads.

• Rotor Diameter: 11.75 inches
• Rotor Thickness: 0.35 inches
• Mounting Pattern: 8 on 7.00-inch bolt circle
• Style: Scalloped and Drilled for maximum weight savings
• Material: Proprietary high-friction steel alloy
• Part Number: 160-9772

Wilwood GTB 60 Spec-37 Curved Vane rotors are engineered for the extreme thermal demands of short track and road course competition. Cast from a proprietary Spec-37 iron alloy—a derivative of heavy-duty military-spec materials—these rotors are built to withstand intense temperatures while providing the highest possible resistance against distortion, warping, cracking, and premature wear.

This GTB series rotor features Wilwood's proven asymmetrical face slot pattern for effective gas venting and pad cleaning, combined with individual dynamic balancing to ensure smooth, vibration-free performance. The black e-coat finish provides a durable barrier against corrosion, making it ideal for applications where environmental exposure is a concern. The 60-vane internal design maximizes cooling capacity and extends service life under the most demanding braking conditions.

• Manufacturer Part Number: 160-8953-GTB
• Rotor Diameter: 16.00 inches
• Rotor Width: 1.38 inches
• Mounting Pattern: 12 on 10.75-inch Bolt Circle
• Material: Spec-37 Proprietary Iron Alloy
• Design: 60 Curved Vane with GT Asymmetrical Slots
• Orientation: Right Hand (RH)
• Finish: Black E-coat

The Wilwood GT 72 Spec-37 Curved Vane Brake Rotor (Left Hand) is engineered for high-demand competition and extreme thermal environments. This rotor is manufactured from Spec-37, a proprietary iron alloy derived from military-spec technology, designed to withstand intense heat with maximum resistance to distortion, warping, and thermal cracking.

• Spec-37 Alloy: Proprietary high-density iron formulation provides superior durability and wear resistance under extreme racing conditions.
• 72-Vane Design: Curved internal vanes maximize airflow and cooling efficiency for consistent pedal feel.
• GT Slotting: Asymmetrical face slot pattern helps degas pads and clear debris while maintaining smooth engagement.
• Dynamic Balancing: Individually balanced to eliminate vibration and ensure precise rotation.
• Mounting Configuration: 12-bolt mount on an 8.75-inch bolt circle.
• Dimensions: 14.00-inch diameter and 1.10-inch rotor thickness.
• MPN: 160-8403

The Wilwood GT 72 Curved Vane Spec-37 rotor is engineered for high-demand competition and extreme thermal loads. Cast from a proprietary iron alloy derived from heavy-duty military specifications, these rotors provide exceptional resistance to distortion, warping, and cracking under intense heat. The internal 72-vane design maximizes airflow and heat dissipation, ensuring consistent pedal feel and stopping power during prolonged track sessions.

Each rotor features Wilwood’s GT Series asymmetrical face slotting to effectively clear debris and gasses while maintaining optimal pad-to-rotor contact. To ensure vibration-free performance out of the box, every unit is individually dynamic balanced.

• Manufacturer Part Number: 160-8402
• Material: Spec-37 Proprietary Iron Alloy
• Vane Count: 72 Curved Vanes
• Orientation: Right Hand (RH)
• Diameter: 14.00 inches
• Width: 1.10 inches
• Mounting: 12 on 8.75-inch Bolt Circle
• Face Pattern: GT Series Asymmetrical Slots

The Wilwood GT 72 Spec-37 Curved Vane rotor is engineered for professional competition and extreme-duty applications requiring maximum thermal stability. Cast from a proprietary Spec-37 iron alloy—originally developed for military-spec use—this rotor provides superior resistance to distortion, warping, and cracking under intense heat cycles.

This left-hand (LH) rotor features 72 internal curved vanes for high-efficiency cooling and Wilwood's signature GT asymmetrical face slot pattern to improve pad bite and clear debris. Each unit is individually dynamic-balanced to ensure vibration-free performance at high rotational speeds.

• Diameter: 14.00 inches
• Thickness: 1.25 inches
• Mounting: 12-bolt on 8.75-inch bolt circle
• Vane Count: 72 Curved Vanes
• Material: Spec-37 Proprietary Iron Alloy
• Direction: Left Hand (LH)
• Manufacturer Part Number: 160-8399

The Wilwood GT 72 Curved Vane Spec-37 Rotor (MPN 160-8398) is engineered for professional competition and extreme-duty applications. Cast from a proprietary Spec-37 iron alloy, this rotor is designed to withstand intense thermal cycles while resisting distortion, warping, and cracking. Derived from military-spec technology, the alloy formulation provides superior wear characteristics under the harshest racing conditions.

This right-hand (RH) rotor features Wilwood’s proven GT Series asymmetrical face slot pattern, which helps clear debris and gasses for consistent pad contact and improved bite. Each unit is individually dynamic balanced to ensure vibration-free performance and a smooth, consistent pedal feel during high-speed deceleration.

• Material: Proprietary Spec-37 Iron Alloy
• Vane Design: GT 72 Curved Vane
• Diameter: 14.00 in
• Width: 1.25 in
• Mounting: 12-Bolt on 8.75 in Bolt Circle
• Orientation: Right Hand (RH)
• Face Pattern: GT Asymmetrical Slots
• Part Number: 160-8398

Wilwood SRP Drilled Performance Rotors (160-8397-BK) utilize a 72-vane Spec-Vane (SV) iron casting designed for high-thermal stability and superior cooling. Featuring a directional cross-drill and face slot pattern, these rotors improve brake response and pad performance by cleaning the pad surface and dispersing heat and gasses generated during the pad-to-rotor interface.

This left-hand (LH) rotor helps prevent pad glazing and irregular compound build-up, ensuring a consistent pedal feel and smooth engagement. The black finish provides corrosion resistance, while the precision-drilled design reduces unsprung weight for better suspension response.

• Manufacturer Part Number: 160-8397-BK
• Material: SV Spec-Vane Iron
• Series: SRP Drilled & Slotted
• Side: Left-Hand (LH)
• Diameter: 14.00 inches
• Thickness: 1.25 inches
• Mounting Pattern: 12 on 8.75-inch bolt circle
• Vane Count: 72 Vane
• Finish: Black

Wilwood SRP Drilled Performance Rotors utilize a precision directional cross-drill and face-slot pattern to enhance brake response and pad consistency across light to heavy braking cycles. Constructed from SV-72 iron with 72 internal cooling vanes, this rotor is engineered for superior thermal management and structural integrity under high-heat conditions.

• Enhanced Pad Interface: The drilled and slotted design effectively vents gasses and clears dust, preventing pad glazing and ensuring a clean contact patch for smoother engagement.
• Thermal Efficiency: Directional internal vanes maximize airflow to dissipate heat quickly, reducing the risk of brake fade.
• Reduced Mass: Strategic material removal decreases rotating and unsprung suspension weight, contributing to more responsive handling.
• Specifications: 14.00-inch diameter, 1.25-inch thickness, and a 12-lug on 8.75-inch bolt circle configuration.
• Finish: Corrosion-resistant black coating.
• MPN: 160-8396-BK

The Wilwood GT 48 Curved Vane Spec-37 rotor is engineered for the rigors of short track and road course competition. Cast from a proprietary Spec-37 iron alloy, this rotor is designed to maintain structural integrity under extreme thermal loads, providing superior resistance against warping, cracking, and distortion. This alloy formulation is derived from extreme-duty military-spec technology, optimized for maximum durability in high-heat environments.

Featuring the GT Series asymmetrical face slot pattern, these rotors effectively evacuate gas and brake dust to maintain consistent pad contact. The internal 48-vane architecture maximizes cooling airflow, while individual dynamic balancing ensures smooth, vibration-free performance at high track speeds.

• Brand: Wilwood
• Series: GT 48 Spec-37
• Part Number: 160-8166
• Orientation: Left Hand (LH)
• Diameter: 13.06 inches
• Width: 1.25 inches
• Mounting: 12-bolt on 8.75-inch circle
• Material: Spec-37 Proprietary Iron Alloy
• Design: Curved Vane with GT Asymmetrical Face Slots

The Wilwood GT 48 Curved Vane Spec-37 Rotor (MPN 160-8165) is engineered specifically for the extreme thermal demands of short track and road course competition. Cast from Wilwood's proprietary Spec-37 iron alloy, this rotor is designed to withstand intense temperatures while providing superior resistance to warping, distortion, and cracking. The metallurgy is derived from extreme-duty military-spec technology to ensure a long service life under high-stress racing conditions.

This right-hand rotor features the GT Series asymmetrical face slot pattern, which effectively vents brake gases and cleans the pad surface without the structural compromises of traditional drilling. Each unit is individually dynamically balanced for smooth, vibration-free operation at all speeds. The 48 internal curved vanes maximize cooling airflow to maintain consistent braking performance during long sessions.

• Manufacturer Part Number: 160-8165
• Series: GT 48 Curved Vane Spec-37
• Material: Proprietary Spec-37 Iron Alloy
• Rotor Diameter: 13.06 inches
• Rotor Width: 1.25 inches
• Mounting Pattern: 12 on 8.75-inch Bolt Circle
• Orientation: Right Hand (RH)
• Vane Count: 48 Curved Vanes

Wilwood SRP48 Series Drilled Performance Rotors are engineered for drivers seeking improved brake response and consistent pad performance across the full range of braking intensities. This left-hand directional rotor features a precision-machined cross-drill and face slot pattern that optimizes the pad-to-rotor interface by effectively venting gasses and heat.

The technical design of the SRP series provides a continuous cleaning action to reduce pad glaze and prevent irregular compound build-up, resulting in smoother pedal engagement and more predictable stopping power. Additionally, the strategic removal of material contributes to a reduction in rotating and unsprung weight, benefiting overall suspension dynamics.

• Product Series: SRP48 Drilled & Slotted
• Diameter: 13.06 inches
• Width: 1.25 inches
• Mounting Pattern: 12 on 8.75-inch Bolt Circle
• Orientation: Left Hand (LH)
• Finish: Black Electro Coat
• Manufacturer Part Number: 160-7799-BK

Wilwood SRP-48 Series Performance Rotors utilize a precision-engineered directional cross-drill and face slot pattern to maximize braking response and pad consistency across light to heavy applications. This right-hand (RH) rotor provides superior venting and cleaning action, effectively reducing pad glaze and dispersing the heat and gasses generated at the friction interface during high-performance driving.

The strategic removal of material through drilling and slotting prevents irregular pad compound buildup for a smoother pedal feel and more predictable engagement. By reducing rotating and unsprung suspension weight, the SRP-48 series improves handling dynamics while maintaining structural integrity under thermal stress.

• Manufacturer Part Number: 160-7798-BK
• Rotor Series: SRP-48
• Diameter: 13.06 in
• Width: 1.25 in
• Mounting: 12 on 8.75 in Bolt Circle
• Orientation: Right Hand (RH)
• Finish: Black Electro-Coat
• Design: Directional Cross-Drilled and Slotted

The Wilwood UL32 SRP Series Iron Brake Rotor (MPN 160-7104-BK) is a high-performance directional rotor designed to optimize brake response and thermal management. Featuring a specialized directional cross-drill and face slot pattern, this left-hand rotor maintains a clean friction surface by venting gases and heat generated during high-load braking. The SRP pattern actively reduces pad glazing and prevents irregular compound build-up for consistent pedal feel and smoother engagement across all conditions.

• Enhanced Thermal Management: Directional venting and cleaning action from the drilled and slotted design disperse heat and gases to maintain peak braking performance.
• Ultralight Construction: Part of the UL32 series, this rotor is engineered to minimize rotating and unsprung suspension weight, improving vehicle handling and response.
• Consistent Pad Interface: The face slotting inhibits compound build-up, ensuring a flat, clean surface for the brake pads to bite into.

• Manufacturer Part Number: 160-7104-BK
• Rotor Diameter: 12.19 inches
• Rotor Width: 0.810 inches
• Mounting Pattern: 8 on 7.00-inch bolt circle
• Orientation: Left Hand (LH)
• Material: UL32 Iron
• Finish: Black E-coat

The Wilwood UL32 SRP Series Drilled and Slotted Iron Rotor (MPN: 160-7103-BK) is engineered for high-performance braking through advanced thermal management. Featuring a directional cross-drill and face slot pattern, these rotors significantly improve pad bite and cleaning action. This design effectively disperses gasses and heat generated at the pad-to-rotor interface, preventing pad glazing and ensuring consistent pedal feel under varied braking loads.

• Dimensions: 12.19in diameter x 0.81in thickness
• Mounting Pattern: 8 on 7.00in bolt circle (BC)
• Series: UL32 SRP Drilled and Slotted
• Orientation: Right Hand (RH)
• Finish: Black electro-coat for corrosion resistance
• Material: Cast iron construction for durability
• Performance: Reduced rotating and unsprung suspension weight

By inhibiting irregular pad compound build-up on the rotor faces, the SRP series ensures smoother engagement and improved response across all conditions, from street use to heavy performance braking.

The Wilwood UL30 SRP Drilled and Slotted Performance Rotor is engineered for consistent braking response and improved pad performance across a wide range of operating temperatures. This right-hand (RH) directional rotor features a precision cross-drill and face-slot pattern that provides essential venting and cleaning, effectively reducing pad glaze and dispersing heat and gases generated at the friction interface.

By preventing irregular pad compound build-up on the rotor faces, this design ensures smoother engagement and improved pedal feel. The UL30 iron construction provides the thermal stability required for performance use, while the material removal from drilling and slotting helps reduce rotating and unsprung weight for better suspension response.

• Side: Right-Hand (RH)
• Rotor Diameter: 11.00 inches
• Rotor Width: 0.810 inches
• Mounting: 6 on 6.25-inch bolt circle
• Material: UL30 Iron
• Series: SRP Drilled & Slotted
• Finish: Black Electro Coat
• Part Number: 160-7099-BK

The Wilwood UL32 Series drilled iron rotor (MPN: 160-5865) is engineered for competition applications where balancing thermal management with minimal rotating weight is critical. Reducing unsprung suspension mass improves spring and shock control, while lower rotating inertia enables quicker acceleration out of corners and more responsive deceleration under braking.

Constructed from durable iron, this vented rotor is designed for sprint cars, late models, modifieds, and other racing applications operating in low to medium temperature ranges. The precision-drilled surface further reduces weight while maintaining the structural integrity required for track environments.

• Diameter: 12.19 inches
• Width: 0.810 inches
• Mount Pattern: 8 on 7.00 inches
• Material: Vented Iron
• Surface Style: Drilled
• Manufacturer Part Number: 160-5865

Wilwood Ultra-Light ULHP-32 straight vane rotors are engineered to provide an optimal balance of thermal efficiency and reduced rotating mass. These rotors are specifically designed for the high-demand environments of hard-braking dirt tracks and rear axle service on pavement racing vehicles. Cast from premium-grade, long-grain carbon iron, the UL32 HP series offers superior wear resistance, high thermal stability, and maximum resistance to distortion under extreme heat.

Every ULHP-32 rotor features precision-turned faces, maintaining less than .001" variation in flatness, parallelism, and run-out for smooth, consistent pedal feel and predictable braking performance.

• Manufacturer Part Number: 160-5843
• Rotor Diameter: 12.19 in
• Rotor Width: 0.810 in
• Mounting Bolt Circle: 8 on 7.00 in
• Vane Count: 32 Straight Vanes
• Material: Long-grain carbon iron
• Face Finish: Precision turned
• Weight: Low rotating mass design for improved acceleration and deceleration

The Wilwood UL32 HP Vented Iron Rotor (MPN 160-5841) provides an optimal balance of cooling efficiency and reduced rotating mass for high-demand racing applications. These Ultra-Light ULHP-32 straight vane rotors are specifically engineered for hard-braking dirt tracks or rear axle service on pavement cars where weight savings and thermal management are critical.

Cast from premium long-grain carbon iron, these rotors offer exceptional wear resistance and high thermal stability to prevent distortion under extreme heat cycles. Each rotor features precision-turned faces, maintaining less than .001-inch variation in flatness, parallelism, and run-out for consistent pedal feel and smooth operation.

• Material: Premium long-grain carbon iron
• Vane Design: Straight vane vented design
• Dimensions: 11.75" Diameter x 0.810" Width
• Mounting: 8 on 7.00" bolt circle
• Tolerances: Less than .001" run-out, flatness, and parallelism variation
• Manufacturer Part Number: 160-5841

The Wilwood UL30 HP (Ultra-Light High Performance) straight vane rotor is engineered for competition and sport driving applications where thermal stability and weight reduction are paramount. These vented iron rotors utilize a precision-cast, straight-vane design to facilitate efficient heat dissipation and maintain structural integrity under high-heat braking conditions. The UL30 HP series provides a durable friction surface suitable for a wide range of performance brake pads, ensuring consistent pedal feel and stopping power.

• Manufacturer Part Number: 160-5840
• Rotor Diameter: 11.00 inches
• Rotor Thickness: 0.810 inches
• Mounting Pattern: 6 on 6.25-inch Bolt Circle (BC)
• Material: High-density cast iron
• Vane Style: Straight vane vented
• Series: Ultra-Light UL30 HP

Wilwood Steel-SSF rotors provide a durable, lightweight braking solution for motorsports applications where low to moderate sustained temperatures are common, but high intermittent heat spikes are expected. These rotors are specifically engineered for use in drag racing, stock car qualifying, sprint cars, modifieds, and lightweight open-wheel road racers.

Constructed from a proprietary steel alloy through precision manufacturing processes, these rotors offer high resistance to thermal distortion. This material choice ensures consistent friction levels and superior wear characteristics against race pads while maintaining the weight savings required for competitive performance.

• Diameter: 12.90 inches
• Width/Thickness: 0.380 inches
• Mounting Pattern: 12 on 8.75-inch Bolt Circle
• Series: Steel-SSF
• Configuration: Front Rotor
• Part Number: 160-4766

This Wilwood steel rotor is engineered for high-performance motorsports applications where weight reduction is critical, including drag racing, sprint cars, and light-weight modifieds. Manufactured from a proprietary steel alloy using specialized processes, this rotor provides high resistance to thermal distortion and maintains excellent friction characteristics when paired with appropriate race pads.

Designed for applications where temperatures remain in the low-to-moderate range with only intermittent high-heat spikes, this drilled rotor effectively sheds rotational mass while providing reliable stopping power. The 10.75-inch diameter and slim 0.350-inch width make it an ideal choice for front-end drag setups and open-wheel road course racers.

• Part Number: 160-3306
• Diameter: 10.75 inches
• Width: 0.350 inches
• Mounting Pattern: 6 on 6.25-inch Bolt Circle
• Material: Proprietary High-Strength Steel Alloy
• Finish: Drilled for weight reduction and thermal management
• Application: Front Drag, Sprint, and Open-Wheel Racing

The Wilwood UL32 (Ultra-Light 32) directional vane rotor is engineered for sportsman racing categories that demand a precise balance of thermal efficiency and reduced rotating mass. These rotors are specifically designed for high-demand applications, including hard-braking dirt tracks and rear axle service on pavement cars.

Cast from premium long-grain carbon iron, the 160-2899 rotor offers exceptional wear resistance and high thermal stability. The directional vane design optimizes airflow for superior cooling while maintaining structural integrity against heat-induced distortion. Each rotor is production-machined to ensure tight tolerances for consistent braking performance on every lap.

• Brand: Wilwood
• Series: Ultra-Light UL32
• Part Number: 160-2899
• Material: Vented Long-Grain Carbon Iron
• Diameter: 11.75 in
• Width: 1.25 in
• Mounting Pattern: 8 on 7.00 in Bolt Circle
• Orientation: Left Hand (LH)
• Design: 32-Count Directional Vanes

The Wilwood Ultra-Light UL32CV directional vane rotor provides a precise balance of cooling efficiency and reduced rotating mass for high-performance racing applications. Cast from premium-grade, long-grain carbon iron, this vented rotor is engineered for high thermal stability and resistance to distortion under heavy braking loads.

Specifically designed for hard-braking dirt tracks or rear axle service on pavement cars, the UL-32 series is production-machined to meet the demands of various sportsman racing categories. The 32-vane internal design maximizes airflow to maintain consistent pedal feel and stopping power throughout the race.

• Manufacturer Part Number: 160-2898
• Rotor Diameter: 11.75 inches
• Rotor Width: 1.25 inches
• Mounting Pattern: 8 on 7.00-inch Bolt Circle
• Material: Long Grain Carbon Iron
• Rotation: Right Hand (RH)
• Vane Count: 32 Directional Vanes

The Wilwood Ultra-Light UL-32 (UL32CV) directional vane brake rotor is engineered for sportsman racing categories that demand a precise balance between efficient thermal management and reduced rotating mass. This vented iron rotor is specifically designed for left-hand side fitment, making it an ideal choice for hard-braking dirt tracks or rear axle service on pavement cars.

Cast from premium-grade, long-grain carbon iron, the UL-32 series provides exceptional wear resistance and high thermal stability. The material's properties ensure superior resistance to distortion and cracking under extreme operating temperatures. Each rotor is production-machined to exacting tolerances, ensuring consistent performance and pad engagement in demanding racing environments.

• Series: Ultra-Light UL-32 (UL32CV)
• Side: Left-Hand (LH)
• Material: Premium long-grain carbon iron
• Rotor Diameter: 12.19 inches
• Rotor Width: 1.25 inches
• Mounting Pattern: 8 on 7.00-inch bolt circle
• Vane Style: Vented directional vanes
• Manufacturer Part Number: 160-2895

The Wilwood Ultra-Light UL-32 Vented Iron Rotor (160-2894) is engineered to provide an optimal balance of cooling efficiency and reduced rotating mass. These directional vane rotors are specifically designed for the high-demand environments of dirt track racing and rear axle applications on pavement cars. Each rotor is precision-cast from premium long grain carbon iron, ensuring high thermal stability, superior wear resistance, and minimal distortion under heavy thermal cycling.

• Part Number: 160-2894
• Series: Ultra-Light UL-32
• Orientation: Right Hand (RH)
• Material: Premium long grain carbon iron
• Vane Type: Directional 32-vane design for enhanced cooling
• Diameter: 12.19 inches
• Width: 1.25 inches
• Mounting: 8 x 7.00-inch bolt circle

Production machined for accuracy, the UL-32 series is a reliable choice for a wide range of sportsman racing categories where weight reduction and heat management are critical components of performance.