2003 Mercedes Benz G55 AMG Base Sport Utility 463.246 V8 5.5L
Upgrade your AMG M113K with the lightweight billet UPD 77mm pulley for massive 60-70+ RWHP gains and aggressive performance. 83mm and 88mm also available!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ECU Tune is required.
Designed to stop the slipping of the belt under boost pressure!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Lifetime Replacement
Designed to stop the slipping of the belt under boost pressure!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This product was last offered at the strikethrough price on
05-10-2026
Lifetime Replacement
Increase horsepower and torque! Tune required to safely run! 90+ wheel hp & torque increase, while maintaining a safe level of boost and supercharger rpm!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
ECU Tune is required.
Increase of +211 Horsepower, and +208 Torque! Taking you from stock 469 Horsepower, up to 680hp, and from stock torque 516, up to 724tq!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fuel injectors are not included. Consult your tuner of preference for their recommended fuel injectors for your power goals.
Lifetime Replacement
Increase of +211 Horsepower, and +208 Torque! Taking you from stock 469 Horsepower, up to 680hp, and from stock torque 516, up to 724tq!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
650cc Fuel Injectors Included!
Lifetime Replacement
