Add 60 Horsepower to your 5.3L for $100
 

There are literally thousands upon thousands of 5.3L engines running around the streets and trails, powering everything from GM pickups and SUVs to non-GM vehicles like Jeeps, Toyotas, and more. Indeed, the 5.3L seems poised to supplant the venerable small-block Chevy as the most common engine in motorsports. Depending on the year, make, and model,



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