Mast Motorsports LS3 Performance Packages are designed to maximize the performance of your LS3 engine. Our Black Label heads are an aftermarket USA cast and machined head that have continually been proven to make more power than the rest. Paired with a custom grind camshaft, based on your driving application and style our LS3 performance package will be the best upgrade you have ever purchased for your vehicle!
💪 Dyno proven power. 💪
• Black Label LS3 255 Heads assembled with PAC springs and Stainless Valves
• Custom Grid Camshaft based on your driving style and application
• Mast Hardened Pushrods
• 2010-2015 Chevrolet Camaro SS
• 2012-2015 Chevrolet Camaro ZL1
• 2008-2013 Chevrolet Corvette (Base & Z51)
• 2010-2013 Chevrolet Corvette Grand Sport
• 2014-2017 Chevrolet SS
• 2009 Pontiac G8 GXP
• 2009-2015 Cadillac CTS-V
• 2009-2015 Holden HSV
• 2015-2017 Holden Commodore VF
We will reach out to you within 24 hours to confirm your order and gather information on your driving style and application. One of our veteran engine builders will spec a camshaft tailored to your engine.
All performance packages will ship 7-10 days after cam selection.