The MON55TER SL55 AMG makes almost 600hp on E-85 and runs deep 11s while looks smooth and luxurious on the track.

MOD LIST:
Custom dyno tune for e85 and 93oct file via MyGenius by RACE IQ.
Making 538whp/600wtq on 93oct and 586whp/652wtq on e85.

80mm fixed pulley
172mm upd crank pulley pinned to crank. Arp crank bolt
Upd 5 piece billet idler pulley kit with billet belt wrap kit.
90mm tb kit with harness
650cc injectors