Average gain of 85 horsepower and 100 lb-ft of torque
2017 Mercedes Benz S550 Base Convertible 217.482 V8 4.6L Performance Engine Parts
M157 / M278 Head Bolt - One Time Use. A full set to secure your cylinder head.
This product was last offered at the strikethrough price on
03-11-2026
Replacement factory turbocharger - Price includes a refundable $296.40 core charge
This product was last offered at the strikethrough price on
05-05-2026
Replacement factory turbocharger - Price includes a $276.90 refundable core charge
This product was last offered at the strikethrough price on
05-05-2026
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Unlock hidden M157 power with the UPD Cold Air Induction Kit - OEM style fitment with dyno-proven gains of up to 25WHP!
M157 / M278 Head Bolt - One Time Use. A full set to secure your cylinder head.
2X Entries For Our 25th Anniversary Sweepstakes!
M157 / M278 Head Bolt - One Time Use - Twenty (20) Required Per Engine
2X Entries For Our 25th Anniversary Sweepstakes!
Replacement factory turbocharger - Brand New Unit, No Core Charge