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Southern Performance Systems
Phone: 678-482-0866
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Today's Muscle Engines for Yesterday's
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LS3 with 4L70E


This is our basic engine system, a stock LS3 Engine with a 4L70E Transmission. Shown with available Billet Aluminum Concept One Serpentine Belt System. Our naturally-aspirated LS3’s are available with Horse Power ranging from 430 to 560. A LS3 would make a great power-plant for your Pro-Touring Muscle Car.