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79K views · 2.9K reactions | Can we improve the valve seat runout on a brand new aftermarket C12 CAT head? We ordered up new parts from IPD Parts before realizing the head was cracked... so here'es what we did! #engine #machineshop #enginemachineshop #machining #enginemachining #cat #business #smallbusiness #familybusiness #coloradobusiness #work #workhard #hustle #jamsionline #howitsdone #satisfying #oddlysatisfying #rebuild #repair #enginerebuild #enginerepair | JAMSI Online | Facebook

The BMW brand has earned its reputation for advanced power and sophisticated style through years of producing some of the world's finest driving machines. That doesn't mean there isn't always room for improvement! Some of our most popular product lines are our BMW Sport Cats and X-Pipe Valvetronic Exhaust systems. Grey M4 equipped with our Supersport X-Pipe Valvetronic Exhaust System (2021 ) - get it here https://bit.ly/3AoX1r7 Blue M2 equipped with our BMW M2 (F87) Sport Cat Downpipe - get it h