Musi 909/Buck Racing/Sonny's Big Block Titanium Header Flange

Precision cut from 3/8" thick CP2 Titanium, our header flanges are manufactured in the U.S. and are machine surfaced. These flanges are specifically made to fit the Pat Musi 909 CID engine, Buck Racing, Sonny's Racing 5.3" Bore Space Heads. They have a 5.3" bore spacing and a 3.86" diagonal bolt space

We carry over 450 different header flange designs, so if you don't see the flange you're looking for, talk with one our tech reps about custom header flange cutting.

Flanges sold separately.

**All Titanium flanges are final sale. Not eligible for refunds or returns**