Prostreet Series Engines
Southern Performance System’s ProStreet Series engines are entry-level Turnkey Engine Packages designed for anyone that is building a Pro Street/Pro Touring vehicle that they plan for everyday use or the “weekend” racer. Each of our ProStreet Series packages comes with a stock LS Series engine, transmission, factory accessories (AC, Power Steering, Alternator, etc), Custom Engine Management Harness, Custom ECMs with programming, Speciality Oil Pan, and other misc items.
ProStreet LS3 Engine
Southern Performance System’s ProStreet LS3 is our entry-level Turnkey Engine Package designed for anyone that is building a ProStreet/Pro Touring vehicle that they plan to use for everyday use or the “weekend” racer. Pumps out 430 horsepower.
View ProStreet LS3 Packages
ProStreet LS376/480 Engine
Southern Performance System’s ProStreet LS376/480 our most popular entry-level Turnkey Engine Package because it provides the best bang for your buck at 495 horsepower.
View ProStreet LS376/480 Packages
LS376/525HP Engine
The LS376/525 is for people that want to go fast without visiting the pump every other day. This Turnkey Engine Package produces 525 horsepower which is enough to get anyone's attention when you stomp the gas pedal.
View LS376/525HP PackagesProStreet LS376/535
Southern Performance System’s ProStreet LS376/535 is for people that want to go fast without visiting the pump every other day. This Turnkey Engine Package produces 535 horsepower which is enough to get anyone's attention when you stomp the gas pedal.
View ProStreet LS376/535 PackagesProStreet LS376/560
Southern Performance System’s ProStreet LS376/560 provides supercharged like power without breaking the bank. This beast demands your attention with 560 horsepower of pure asphalt eating power. Like the rest of our ProStreet series, it is also Turnkey Engine Package.
View ProStreet LS376/560 Packages
ProStreet LSX427
Southern Performance System’s ProStreet LSX427 is for the most bad ass builds only. We also would not recommend this the LSX427 for anyone with heart condition because this big block produces 670 horse of heart-stopping power. Did we mention is also one of our ProStreet Turnkey engine packages?
View ProStreet LSX427 Packages