Southern Performance Systems

Phone: 678-482-0866

Today's Muscle Engines for Yesterday's Cars

SPS is a Chevrolet Performance Authorized Reseller

Prostreet Series

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 to use 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

Southern Performance System’s ProStreet LS3 is an are 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.

ProStreet LS376/480

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.



ProStreet 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.

ProStreet LS376/560

Southern Performance System’s ProStreet LS376/560 provides surcharged 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.

ProStreet LT1

Southern Performance System’s ProStreet LT1 is our are entry-level LT1 Turnkey Engine Package meant for those that want the latest in direct fuel injection and variable valve timing. The engine is the heart of the C7 Corvette and pumps out 450 horsepower.

ProStreet LT376/535

Southern Performance System’s ProStreet LT376/535 feature the LT Hot Cam and CNC-ported heads allowing it to product 535 horsepower. Turnkey Engine Package meant for those that want the latest in direct fuel injection and variable valve timing.

ProStreet LSX427

Southern Performance System’s ProStreet LSX427 is for the most badd 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?