Unlock faster turbo spool, sharper throttle response, and hidden horsepower with the UPD M157 Underdrive Crank Pulley - a precision billet upgrade built to maximize AMG performance and reliability.
Unlock faster turbo spool, sharper throttle response, and hidden horsepower with the UPD M157 Underdrive Crank Pulley - a precision billet upgrade built to maximize AMG performance and reliability.
One Time Use Bolt
This product was last offered at the strikethrough price on
11-07-2026
Prevents oil from leaking out of your crankcase at the rear crankshaft flange
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
11-12-2026
Seals the gap between the crankshaft and engine block
Seal W/PTFE Components, PTFE Seal Installation Tool Required, Let Settle For Four (4) Hours After Installation Before Use
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
11-12-2026
Transmission End
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
11-12-2026
One Time Use - Must be replaced when removing crank pulley
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
11-12-2026
Prevents oil from leaking out of your crankcase at the rear crankshaft flange
Seals the gap between the crankshaft and engine block (45 X 67 X 8 mm)
Seal W/PTFE Components, PTFE Seal Installation Tool Required, Let Settle For Four (4) Hours After Installation Before Use
This product was last offered at the strikethrough price on
08-13-2026
Prevents oil from leaking out of your crankcase at the rear crankshaft flange
2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!
Seals the gap between the crankshaft and engine block
Seal W/PTFE Components, PTFE Seal Installation Tool Required, Let Settle For Four (4) Hours After Installation Before Use
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
11-12-2026
Seals the gap between the crankshaft and engine block
2X Entries Into Our F80 M3 Sweepstakes 2X Entries For Our Spin To Win Sweepstakes!
We Price Match - Give Us A Call or Chat!
Seal W/PTFE Components, PTFE Seal Installation Tool Required, Let Settle For Four (4) Hours After Installation Before Use
Seals the gap between the crankshaft and engine block
We Price Match - Give Us A Call or Chat!
Seal W/PTFE Components, PTFE Seal Installation Tool Required, Let Settle For Four (4) Hours After Installation Before Use
Harmonic Balancer - Vibration Damper
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
11-12-2026
Transmission End
We Price Match - Give Us A Call or Chat!