. They received a lot of help from GM Performance Parts, but really came ... , 650 lb.-ft. of torque ZZ572 GM Performance Parts engine mated to a ... GMPP Hydra-Matic 4L85-E four-speed automatic ... is directed by a controller from GMPP, as well. The engine, transmission and ... are readily available from any GM dealership for enthusiasts wishing to ... vehicle technology, said Lisa Reffett, GM Performance Parts Marketing Manager. ... skills. E VEHICLE HIGHLIGHTS ZZ572 GM Performance Parts engine (P/N 12498793 ... 5500 rpm 650 lb-ft of torque 4500 rpm Hydra-Matic 4L85-E four-speed automatic ... Transmission controller (P/N 12497316) GMPP Serpentine belt accessory drive ... conversion (P/N 12498733) GMPP Bowtie gauges GMPP Performance Muffler ...
19156259 4L60-E Automatic Transmission Hydra-Matic 4L60-E four-speed electronically ...