Permanent fix for that leaking rear main seal
Permanent fix for that leaking rear main seal
"Dual pulley" gains without the hassle! Easily increase supercharger RPM by 22% and support up to 550HP.
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For use with OEM (63.25mm) Supercharger Pulley.
"Stage 2" Software Required for Compatibility
This product was last offered at the strikethrough price on
06-13-2026
Permanent fix for that leaking rear main seal. Includes recommended installation tool and Dirko sealant to complete the job.
10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
03-16-2026
Permanent fix for that leaking rear main seal
Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability
Spin the supercharger faster without affecting the accessory drive system
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This product was last offered at the strikethrough price on
06-13-2026
Increases boost for "dual pulley" tune power levels without replacing the press-on supercharger pulley for an easier install.
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Requires stage 2 dual pulley ECU tune
Eliminate the risk your worn serpentine belt getting sucked into the timing belt!
Permanent fix for that leaking rear main seal. Includes recommended installation tool and Dirko sealant to complete the job.
10X Entries For Our 25th Anniversary Sweepstakes!
Permanent fix for that leaking rear main seal
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*
Includes a OE Crankshaft Pulley with the necessary install hardware.
10X Entries For Our 25th Anniversary Sweepstakes!
Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability
For vehicles with FSI engines only
Also referred to as the rear main seal
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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*
VW/Audi Standard Clearance, set of main bearings
5X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with FSI engines only