Turn your Audi B8 S4 or S5 into an all-out street monster with IE's complete Dual Pulley kit! Includes ECU software plus "Dual Pulley" setup
Fits vehicles with manual transmissions only
Turn your Audi B8 S4 or S5 into an all-out street monster with IE's complete Dual Pulley kit! Includes ECU software plus "Dual Pulley" setup
Fits vehicles with manual transmissions only
Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt.
10X Entries Into Our F80 M3 Sweepstakes
The one pulley solution for dual pulley power!
Fits vehicles with manual transmissions only
Get a grip with this 6 rib kit!
Replace your cracked or worn belt
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Up to the 2012 model year
Reduces torsional vibrations on your crankshaft
This product was last offered at the strikethrough price on
06-03-2026
Replace your cracked or worn belt
We Price Match - Give Us A Call or Chat!
Up to VIN 8E-4-191000, split is in the 2004 model year
This product was last offered at the strikethrough price on
07-06-2026
Includes the tensioner assembly, accessory belt, relay roller and hardware
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
Install new hardware with your new parts. M8x16
Secures crankshaft pulley to crank
Install new hardware with your new parts. M8x14
Engine codes AEB & ATW. Secures the water pump pulley & power steering pulleys
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
06-23-2026
Keep your drive belt tight with an ECS Performance Kevlar Reinforced Accessory Belt, tensioner, and hardware.
10X Entries Into Our F80 M3 Sweepstakes
For vehicles with FSI engines only
This product was last offered at the strikethrough price on
05-02-2026
Includes tensioner and roller to help keep your drive belt tight
10X Entries Into Our F80 M3 Sweepstakes
For vehicles with FSI engines only
This product was last offered at the strikethrough price on
05-02-2026
Keep your accessories running properly with a new tensioner and ECS performance Kevlar reinforced accessory belt service kit!
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
Includes the tensioner assembly, ECS performance Kevlar reinforced accessory belt, relay roller and hardware
10X Entries Into Our F80 M3 Sweepstakes
This product was last offered at the strikethrough price on
05-02-2026
Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt.
10X Entries Into Our F80 M3 Sweepstakes
Keep your drive belt tight
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
08-31-2026