South Bend DXD Racing Clutch - Audi / B7 / A4 2.0T FSi | K70350-HD-O


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Southbend Clutch

Part# K70350-HD-O

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UroTuning is pleased to present South Bend / DXD clutches for your B7 Audi A4 2.0T FSi. DXD clutches are developed and tested by DXD across many different friction products, pressure plate loads and flywheel designs with one goal in mind, to create clutch systems not only with perfect balance and symmetry but also to perfectly complement engine modifications without compromise in reliability, drivability or enjoyment.

The success of the development efforts has produced a performance clutch product line of the highest quality and performance available for Porsche, Audi and Volkswagen vehicles, DXD Racing clutches.

Each clutch system is specially matched to specific driving styles, uses and power levels to insure the needs of each client are accomplished. Often times, a compromise between drivability and pedal feel must be made to achieve power handling. If you are drag racing you will have different requirements for clutch operation than someone who wishes to participate in daily spirited driving or endurance racing.

**FITMENT NOTE: These Clutch Kits are for use with OEM DUAL MASS FLYWHEEL ONLY

Daily

The Daily configuration is focused around an OEM pedal feel and initial engagement characteristics. This is the clutch that wont give you a significantly stronger left leg but will provide many thousands of miles of ease of use and operation with the ability to transfer different Stages of engine performance to the tires. The quick engagement of most aftermarket clutches or the grab is greatly reduced and in most cases completely eliminated to allow for smooth clutch release and easy initial acceleration.

Endurance

The Endurance configuration focuses on reduced transmission wear and perfect transitions from gear to gear. Kevlar and other more exotic materials are used to hold the power for many hours of abuse and torsion springs are used to damper between the engine and gearbox. Pedal feel is typically only slightly more rigid and initial engagement is certainly manageable resulting in a driveline component that quite handily eliminates any concerns from the Drivers and Crew Chief.

Stage 1

The DXD Racing Stage 1 Clutch Upgrade is a perfect OEM replacement clutch that is both affordable and upgrade in life of operation over a standard OEM clutch. We recommend the Stage 1 Clutch to anyone who has chosen Stage 1 ECU Upgrade and needs to replace the OEM clutch due to wear or a desire to drive more spiritedly.

Features:
* Heavy Duty To Provide Extra Towing Capacity and Longer Life
* Increased Clamp Load from Upgraded Pressure Plate
* Dual Dampened Clutch Disc to Promote Smoother Engagement and Increase Transmission Life
* Premium Friction Material to Promote Rapid Heat Dissipation
* Recommended for Spirited and Daily Driving
* Perfect Complement to Stage 1 ECU Upgrade

Stage II

The DXD Racing Stage 2 Clutch Upgrade is perfect for those who modified their engines to Stage 2 and Stage 2+ power levels. Offered in specific configurations of Daily, Endurance or Drag, the DXD Stage 2 is perfectly matched to your driving style and your specific use. Each Stage 2 Clutch is engineered to specifically support engine modification with increased clamp load and different material choices across the individual Stage 2 configurations. Each configuration includes all of the benefits of a DXD Racing Stage 1 Clutch Upgrade but also includes additional benefits specific to each.

Stage II Daily

This Heavy Duty Pressure Plate has an increased clamp load with little or no increase in pedal pressure. The Organic disc material has a high metal content that increases the co-efficient of friction by two times over a stock lining and increases rotational strength up to a 12,000 RPM burst point. This clutch system maintains a stock feel while offering strength and durability. Recommended usage is daily, street and moderate race.

Stage II Endurance

This clutch system is designed for the racing climate. The pressure plate is precision balanced for vibration free operation at high RPM. The pressure plate fulcrum is altered for a positive disengagement and a quick shift. The disc is engineered with a Dual Damped design to provide accurate control when accelerating through corners. The friction material is a hybrid using a full face Feramic (Sintered Iron) lining on the flywheel side and a high metal content Organic lining on the pressure plate side. Engagement is positive yet buffered due to the high graphite content unique to Feramic facings. Recommended uses are daily and street with an emphasis on Rally and Endurance racing.



Stage Intent Notes Flywheel Included Part Number
1 HD 1 No K70350-HD
2 Daily 1 No K70350-HD-O
2 Endurance 1 No K70350-HD-TZ

1 - Only for use with OEM DUAL MASS Flywheel




⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov


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