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Site Updated: 8/28/17

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Southern Performance Systems
Southern Performance Systems
Phone: 678-482-0866
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Today's Muscle Engines for Yesterday's
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Southern Performance Systems was founded in 1994. Located in Sugar Hill, Georgia outside of Atlanta, Southern Performance Systems specializes in providing the most complete "Turn-Key" LS engine packages for classic cars, muscle cars and trucks. In addition to engine packages to make a LS conversion complete we offer upgrades for brakes, suspensions, rear ends, air conditioning, electronic gauges, radiators and headers. Years of being an install center, doing design work and testing have made us a leader in the LS conversion market.

Monthly Specials

Monthly Special for the Month of September

Rebate Offers for LS Crate Engines.
Up to $500 in Rebates.

LS3, LSA, LS7, LSx 427 and more.

Check out our Monthly Specials Page for Details.

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Check Out this video about one of our customers, Skuli Skulason and his son's 1968 Camaro LS3 Conversion project. It was done in four months, after two years of planning. All the work was done by the father/son team with a help from few friends who wanted to be a part of the project. Southern Performance Systems supplied all of the parts and "Did a hell of a job in a relatively short notice and backed us up 100%." Skuli and his son live in Iceland, a long way from US and needed a supplier that was reliable. On top of the Turnkey Engine Package, SPS also supplied the suspension, steering, brakes, cooling, fuel system and dash gauges. The car is amazing and drives like a modern sports car with a real muscle ingredients.

Retro-fit Projects & Customer Cars

New LSx Retro Fit Project - 1968 Firebird with 350 small block. This Firebird's power plant is being upgraded to a Stage 2 LS3 with 500 Horse Power. Be sure to check out our other Retro-fitted cars on our
LSx Retro-Fit projects page.

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Have you seen the hit
LS  Conversion  Kits

Southern Performance Systems now offers LS Conversion Kits for the 1955-1957 Chevrolet Bel Air, 67-69 Camaro, 70-81 Camaro, 64-72 Chevelle, and 68-74 Nova. This kit is designed to help with converting your existing Small/Big Block Tri-5 to a LS Series Performance Hot Rod. The LS Conversion Package is the prefect compliment for one of our LS Turnkey Engine Packages.

The LS Conversion Packages Includes:
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Custom Engine Galley
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NEW Custom Engine - Red LSx 427 with Heartbeat Supercharger & LSx 454 w/Holley Carb has been Listed in our Engine Gallery.

They're Amazing.

Click Here to View

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Check out our Featured Video of a recent Engine Dyno of a 939 HP LSx 427 with Magnuson Supercharger. To see more Great Videos check out our
YouTube Channel.

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