Transmission & Drivetrain

South Bend Clutch Stage 2 Drag Kit for B5 S4 & C5 2.7TT

STAGE 2 DRAG: Drag racing requires a Single Mass SFI approved Flywheel to be included with each kit when the original design is Dual Mass. This system features a Heavy Duty Pressure Plate modified for a puck style disc with no cushion between the linings...

South Bend Clutch Stage 2 Endurance Kit for B5 S4 & C5 2.7TT

STAGE 2 ENDURANCE: An SFI approved single mass flywheel is recommended for this application to get optimal performance. This clutch system is designed for the racing climate. The pressure plate is precision balance for vibration free operation at high...

South Bend Clutch Stage 2 Daily Kit for B5 S4 & C5 2.7TT

STAGE 2 DAILY: Engineered for HP modifications. 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...

South Bend Clutch Stage 1 HD Kit for B5 S4 & C5 2.7TT

Heavy duty version of the stock O. E. clutch. The Pressure Plate has an increase clamp load for extended life. The disc is dual dampened for smooth engagement and increased transmission life. Premium friction material ensures rapid heat dissipation...

South Bend Clutch Single Mass Steel Flywheel for for B5 S4 & C5 2.7TT

21LB 4140 Billet Steel Single Mass Flywheel Flywheels manufactured by SBC are made from low carbon, hot rolled steel that is highly resistant to warping and perfectly suited for the friction materials mated to them. Single mount CNC machining...

034Motorsport Clutch Slave Hydraulic Pressure Hose for B5 S4

With the B5 chassis aging past 10 years old, original rubber and plastic components are deteriorating to the point where they need replacement now. Rather than install the same factory part that will only deteriorate again, upgrade to our coated...

034Motorsport Driveshaft Support Center Bearing for B5 Audi Quattro

New driveshaft support for all B5 chassis Audi/VW cars. This part is not available from the dealer; we manufacture them in house specifically for this application. No core required. Ideal for fixing issues commonly caused by a failing driveshaft support,...

034Motorsport Lightweight Aluminum Flywheel for B5 S4 & C5 A6 2.7T

This lightweight single-mass aluminum flywheel fits B5 Audi S4 & C5 Audi A6/Allroad models with the 2.7T engine. Weighing in at 12 pounds, or about 15 pounds lighter than stock, this billet aluminum flywheel allows for faster revving and easier rev...

034Motorsport Snub Mount with Bracket for B5 S4 & C5 A6 2.7T

The 034Motorsport Snub Mount With Bracket is designed to replace the factory, worn snub mount and bracket. The zero-tolerance design stops any excess movement of the engine to allow the best performance and power transfer to the drivetrain. The Bracket...

034Motorsport Diff Carrier Mount Pair for B5 Audi Quattro

Our STREET DENSITY Mounts are solid rubber mounts with a 50 durometer that are about 10% stiffer than stock. This means they still ride smooth and quiet but provide a marked improvement in drivetrain dampening over stock mounts. Livable street...

034Motorsport Motorsport Spec Transmission Mount for B5 Audi

Solid Motorsport Spec transmission mount for the B5 S4 2.7T Audi.  Solid aluminum base, precision CNC machined, with CNC machined Delrin mount and installation hardware. For use with demanding conditions where drivetrain movement needs to be totally...

JXB Performance Driveshaft Center Support Bearing Carrier Upgrade for Audi B5 A4/S4/RS4

Holds the driveshaft where it should be. Isolation dampers minimize vibrations. THE PROBLEM The stock center support bearing carrier holds the driveshaft in place with rubber so thin about 20 lbs of force moves it from center to the end of its...

034Motorsport Lightweight Single Mass Aluminum Flywheel for B5 & C5 2.7TT w/ B7 RS4 Clutch

This lightweight single-mass aluminum flywheel fits Audi B5-S4/RS4, C5-A6/Allroad 2.7T equipped vehicles. Weighing in at 14 pounds, or about 14 pounds lighter than stock, this billet aluminum flywheel allows for faster revving and easier rev matching...

034Motorsport Density Line Transmission Mount for B5 & C5

Sold individually. One vehicle will require 1 or 2 mounts depending on application!  Note: Only fits passenger side of manual transmission 1.8T cars.  Please visually verify your application before you order. We're proud to announce the...

Wavetrac Rear Differential for Audi B5, B6 & B7

Fits: Audi Rear A4 S4 RS4 (B5) QuattroAudi Rear A4 S4 (B6/B7) Quattro (not B7 RS4)*Includes bearing spacer for small end side of the differential, only needed on some modelsWavetrac diffs are state-of-the-art helical gear differentials designed,...