"Dual pulley" gains without the hassle! Easily increase supercharger RPM by 22% and support up to 550HP.
10X Entries Into Our F80 M3 Sweepstakes For use with OEM (63.25mm) Supercharger Pulley. "Stage 2" Software Required for Compatibility
Brand:
ES#:
4883431
Mfg#:
053844LA01KT
In Stock
ON SALE!
SAVE 20%
$419.99
This product was last offered at the strikethrough price on 06-13-2026
Spin the supercharger faster without affecting the accessory drive system
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Brand:
ES#:
4820683
Mfg#:
025510ECS01
In Stock
ON SALE!
SAVE 25%
$344.99
This product was last offered at the strikethrough price on 06-13-2026
Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly.
*To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*
Eliminates the problematic two-piece design and rubber isolator found in the stock crank pulley while reducing the mass of the motor's rotating assembly.
*To be used with 'Stage 2' software or software specific to a supercharger crank pulley upgrade*
Looking to increase the reliability and integrity of your oil filter housing, and spruce up your engine bay as a bonus?
2X Entries Into Our F80 M3 Sweepstakes
Spin the supercharger faster without affecting the accessory drive system
10X Entries Into Our F80 M3 Sweepstakes Appropriate stage 2 software is required for use
Whether you're repairing or upgrading your engine, we have engine parts from the most respected suppliers in the business. Purchase engine parts like connecting rods, valves, camshafts, cylinder heads, engine blocks, pistons, and more from ECS Tuning for your next engine repair or overhaul.
Lifetime Replacement
