Eliminate excessive rear differential movement!
Eliminate excessive rear differential movement!
Designed for dedicated track cars. Conservatively rated at 425ft/lbs.
Works with stock dual mass flywheel
Complete set of Ferrea high performance valve springs, and titanium retainers
Engineered to convert your 1.8T clutch to the much more durable S4 clutch
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To be used with RA4 240MM, S4, & RS4 clutch kits only
This product was last offered at the strikethrough price on
06-13-2026
Includes the necessary parts to raise your fuel rail for larger injectors
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This product was last offered at the strikethrough price on
06-13-2026
Includes rings, wire locks, and wrist pins - 81mm bore (stock), 8.5:1 CR, 86.4mm stroke (stock)
*For use with 20mm wrist pin connecting rods*
Includes rings, wire locks, and wrist pins - 81.5mm bore (0.5mm overbore), 8.5:1 CR, 86.4mm stroke (stock)
*For use with 20mm wrist pin connecting rods*
Includes rings, wire locks, and wrist pins - 82mm bore (1mm overbore), 9.25:1 CR, 86.4mm stroke (stock)
*For use with 20mm wrist pin connecting rods*
For vehicles with small port heads and large port intake manifold
Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 395ft/lbs.
More holding power & a Kevlar lined disc
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Replacement clutch kit for the RA4 Stage 3 conversion
CNC Machined from T6-6061 aircraft aluminum and designed to eliminate excessive engine and transmission torsional movement.
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
11-01-2026
Includes high-clamp pressure plate and full-face organic clutch disc - Handles up to 400 lb-ft of torque
To be used in conjuction with factory flywheel and release bearing
Easily allows the removal of front axles when converting your B5 A4 to RWD (rear wheel drive) from Quattro
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Up To VIN 8D-1-050001, split is in the 2001 model year
This product was last offered at the strikethrough price on
06-13-2026
Includes Lambda cable & 8-foot sensor cable.
Tidy up your cabin with the COBB OBDII Universal Cable!