Featuring Weistec Billet Pistons & Rods! Maintains Factory 11.3:1 Compression
Featuring Weistec Billet Pistons & Rods! Maintains Factory 11.3:1 Compression
Keep oil out of the intake! Featuring billet PCV adapter fittings for easy bolt on performance!
Chill the air charge temperature as it enters the intake path!
Finally, an intake that truly complements the engine bay of a vehicle equipped with the legendary M156 engine!
Gains 5-10 Horsepower, Includes New Mass Air Flow Sensors
This product was last offered at the strikethrough price on
05-03-2026
Prevent Dealerships From Re-Flashing Your Car Against Your Wishes!
2X Entries For Our 25th Anniversary Sweepstakes!
For Vehicles Produced After 1995
Lightweight wheel spacers with a machined tab for easy removal
10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
05-02-2026
Featuring Advanced Fuel Dynamics x Deatschwerks 600cc Injectors! Max Wheel Horsepower Supported on E85 of 750hp on naturally aspirated engines & 690hp on forced induction engines!
Featuring European Airboxes And AFE ProDry S Drop In Filters
10X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
05-27-2026
Eliminate weak factory plastic idlers with the UPD M156 Billet Idler Set - a high-strength CNC aluminum upgrade built for smoother operation, extreme durability, and long-term AMG reliability.
"Oil Free" OE replacement performance filter
This product was last offered at the strikethrough price on
05-27-2026
Increase of +69 Horsepower, and +21 Torque! Eliminate top speed limiter, Increased throttle response. W.1 Tunes are designed for completely stock vehicles with no other modifications!
This software is only compatible with Windows PC / Laptop. CARB certified for sale in all 50 states.
Makes 30+ WHP gains using the ProFlex Commander and E85! For Upgraded Injectors.
Only For Cars With Upgraded EV1 Injectors
Upgraded Weistec Idler Pulley Kit
This cylinder head bolt service kit is for M156 6.3L "63 AMG" engines with plastic valve covers only. Includes Cylinder Head Gaskets.
10X Entries For Our 25th Anniversary Sweepstakes!
For Cars With Plastic Valve Covers Only
This product was last offered at the strikethrough price on
06-26-2026
Fix Excessive Valve Lash and Accelerated Wear to the Valvetrain