Here we test some Aluminum heads vs Our Stage 2 ported Gt40 heads to see if the irons can hold their own.
don't forget to like, subscribe and follow us on our Facebook business page and YouTube channel at Bigdogs Porting to qualify for our free ported parts GIVEAWAY!!! You can't qualify if you are not subscribed to the YouTube channel
#fordmustang
#fordperformance
#foxbodymustang
#fordperformanceheads