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South Bend / DXD Racing Clutch 04-05 Audi S4 B6/B7 4.2L Stg 4 Extreme Clutch Kit (w/ FW)

SKU: SBCK70398F-SS-X

Clutch Kits

SBC Stg 4 Extreme Clutch Kits

South Bend / DXD Racing Clutch 04-05 Audi S4 B6/B7 4.2L Stg 4 Extreme Clutch Kit (w/ FW)

SKU: SBCK70398F-SS-X

Clutch Kits

SBC Stg 4 Extreme Clutch Kits

A$4,241.62
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

South Bend Clutch Stage 4 X-Series clutch kits are build-to-order clutch packages for vehicles modified to exceed Stage 3 hp parameters. The kits include a steel, single mass, SFI-approved flywheel for safety. The race-engineered pressure plate is modified for maximum plate load, and helps to deliver more transmittable torque, stability, extended life, and superior thermal resistance. The South Bend Clutch Stage 4 X-Series clutch kits provide noticeably better dynamics through higher clamp loads, when driving your vehicle to its limits. Order the Stage 4 X-Series clutch kit recommended for your specific vehicle and engine size.

Features, items, and specs include:

* Puck-style disc offered in sprung and un-sprung options
* Graphite-impregnated ceramic or sintered iron friction material options
* Torque ratings calculated at time of ordering
* Engagement characteristics can be abrupt
* Meticulous processing and advanced packaging materials

Product Overview

*STAGE 4 EXTREME:* This is a "build to order" clutch kit intended for cars with HP modifications exceeding the stage 3 parameters. The Race Engineered pressure plate is modified for maximum plate load. The discs are puck design with sprung and un-sprung options. Friction material options include Sintered Iron and Graphite Impregnated Ceramic. Engagement characteristics can be abrupt. Hydraulic systems may need enhancing for proper clutch separation. Single mass steel SFI approved flywheels are required for safety. Torque ratings are calculated at time of ordering.

Product Details

Alignment Tool Included:Yes
Clutch Disc Quantity:Single
Clutch Usage:Performance
Description:Stage 4 Clutch Kit; EXTREME Series; Kit Includes Flywheel (SBCF0505)
Disc Diameter:240
Disc Material:Ceramic
Disc Style:4-paddle
Flywheel Bolt Quantity:8
Flywheel Included:Yes
Flywheel Material:Billet steel
Hub Style:Sprung
Input Shaft Diameter:0.94
Input Spline Quantity:23
Mounting Hardware Included:Yes
Part Number:sbcK70398F-SS-X
Pilot Bushing Included:Yes
Pilot Bushing Material:Steel
Pressure Plate Style:Diaphragm
Prop 65 Yes/No:No
Quantity:Sold as a kit
Ring Gear Tooth Quantity:117
Throwout Bearing Included:Yes
Throwout Bearing Style:Standard
Title:South Bend Clutch Stage 4 Extreme Clutch Kit
Torque Rating:600+ft/lbs

Part Type

Transmission Clutch Kit

Data: v4.2 - Upd: 2026-10-12 19:14:15

Specifications

Product Attributes - Brand
South Bend Clutch
Product Attributes - Manufacturer's Part Number
K70398F-SS-X
Product Attributes - Part Type
Clutch Kits
Product Attributes - Product Line
South Bend Clutch Stage 4 X-Series Clutch Kits
Product Attributes - UPC
840416325638
Product Attributes - Clutch Usage
Performance
Product Attributes - Clutch Disc Quantity
1
Product Attributes - Flywheel Included
Yes
Product Attributes - Input Spline Quantity
23
Product Attributes - Input Shaft Diameter
0.940 in.
Product Attributes - Disc Diameter (in.)
9.440 in.
Product Attributes - Disc Diameter (mm)
240mm
Product Attributes - Disc Material
Ceramic
Product Attributes - Disc Style
4-paddle
Product Attributes - Hub Style
Sprung
Product Attributes - Pressure Plate Style
Diaphragm
Product Attributes - Throwout Bearing Included
Yes
Product Attributes - Throwout Bearing Style
Standard
Product Attributes - Alignment Tool Included
Yes
Product Attributes - Pilot Bushing Included
Yes
Product Attributes - Pilot Bushing Material
Steel
Product Attributes - Flywheel Material
Billet steel
Product Attributes - Ring Gear Tooth Quantity
117-tooth
Product Attributes - Flywheel Bolt Quantity
8
Product Attributes - Counterweight Assist
No
Product Attributes - Mounting Hardware Included
Yes
Product Attributes - Quantity
Sold as a kit.

Reference Information

Brand Name/s South Bend Clutch
StreetFX SKU sbcK70398F-SS-X
SFX Item ID 4423285
Supplier Item Code 4423285
Manufacturer SKU K70398F-SS-X
Manufacturer UPC 840416325638
Alternative References SBB-K70398F-SS-X, B6/B7, 4.2L

Compatibility

Application Data
  • MakeAUDI
    ModelS4
    SubmodelAVANT
    Beginning Year2004
    Ending Year2005
    Engine TypeV8
    Liter4.2
    CC4163
    Engine FamilyAudi V8
    Engine Size4.2L/4163cc
  • MakeAUDI
    ModelS4
    SubmodelAVANT
    Beginning Year2004
    Ending Year2005
    Engine TypeV8
    Liter4.2
    CC4163
    Engine FamilyAudi V8
    Engine Size4.2L/4163cc
  • MakeAUDI
    ModelS4
    SubmodelAVANT
    Beginning Year2004
    Ending Year2005
    Engine TypeV8
    Engine FamilyAUDI V8 GAS
    Engine Size4.2L/4163cc
  • MakeAUDI
    ModelS4
    SubmodelBASE
    Beginning Year2004
    Ending Year2005
    Engine TypeV8
    Liter4.2
    CC4163
    Engine FamilyAudi V8
    Engine Size4.2L/4163cc
  • MakeAUDI
    ModelS4
    SubmodelBASE
    Beginning Year2004
    Ending Year2005
    Engine TypeV8
    Liter4.2
    CC4163
    Engine FamilyAudi V8
    Engine Size4.2L/4163cc
  • MakeAUDI
    ModelS4
    SubmodelBASE
    Beginning Year2004
    Ending Year2005
    Engine TypeV8
    Engine FamilyAUDI V8 GAS
    Engine Size4.2L/4163cc
  • MakeAUDI
    ModelS4
    SubmodelCABRIOLET
    Beginning Year2004
    Ending Year2005
    Engine TypeV8
    Liter4.2
    CC4163
    Engine FamilyAudi V8
    Engine Size4.2L/4163cc
  • MakeAUDI
    ModelS4
    SubmodelCABRIOLET
    Beginning Year2004
    Ending Year2005
    Engine TypeV8
    Liter4.2
    CC4163
    Engine FamilyAudi V8
    Engine Size4.2L/4163cc
  • MakeAUDI
    ModelS4
    SubmodelCABRIOLET
    Beginning Year2004
    Ending Year2005
    Engine TypeV8
    Engine FamilyAUDI V8 GAS
    Engine Size4.2L/4163cc

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