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.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade your M157 AMG or M278 with the UPD Billet Idler Kit - CNC-machined aluminum pulleys built to eliminate factory plastic idler failures and deliver lasting performance and reliability.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade your AMG M113K with the lightweight billet UPD 64mm pulley for massive 40-45+ RWHP gains and aggressive performance. 72mm also available!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms ECU Tune is required.
Upgrade your M112K with the UPD Billet Idler Kit - CNC-machined aluminum pulleys built to eliminate factory plastic idler failures and deliver lasting performance and reliability.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade your V12 with the UPD Billet Idler Kit - CNC-machined aluminum pulleys built to eliminate factory plastic idler failures and deliver lasting performance and reliability.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Unlock hidden M178 power with the UPD Cold Air Induction Kit - OEM style fitment with dyno-proven gains!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Unlock hidden M177 power with the UPD Cold Air Induction Kit - OEM style fitment with dyno-proven gains!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Unlock hidden M112K power with the UPD Cold Air Induction Kit - OEM style fitment with dyno-proven gains!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Upgrade your AMG M113K with the lightweight billet UPD 64mm pulley for massive 40-45+ RWHP gains and aggressive performance.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms ECU Tune is required.
Get that "blow-off" sound that many people are fond of on turbocharged vehicles! 100% Bolt-On Solution
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
Let us help you find the parts that fit your
Mercedes Benz
Lifetime Replacement
