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Mast Motorsports Releases 5.3L Black Label Head

Posted by Bold Apps on

Add 125+ horsepower to your 5.3L LS Engine.

Turn that 5.3L LS into a race monster.

The 5.3L LS, ahum ~327ci, engine is one of the most cost-effective ways to get LS power.  Now you can make SERIOUS power with your 5.3L engine using Mast Motorsports Black Label heads.  Supporting over 500hp+ naturally aspirated on pump gas with the stock bottom end, the Mast Black Label 5.3 heads are a force to be reckoned with and so will your 5.3!  

💪 Dyno proven power. 💪

Gain 37+hp with head swap ONLY, using stock truck intake.
Gain 100+hp with heads and cam swap, using STOCK truck intake!

Grab A Pair

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