Milodon 84542 3/8" x 1" Header Bolt for Small Block Chevy, Big Block Chrysler and Pontiac, (Set of 12), Black
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7/16" at 6 points
Selected User Reviews For Milodon 84542 3/8" x 1" Header Bolt for Small Block Chevy, Big Block Chrysler and Pontiac, (Set of 12), Black
These held the long tubes in place well, and the head is small enough to avoid the Small Block Chevy clearance issues. My only complaint is how quickly they rusted from a nice looking black coating to solid rust. This would be fine in a more stock application, but these were attached to ceramic coated long tubes on a pretty showy engine build. Milodon and their products are generally good, but this one was a letdown.
Header bolts of excellent quality, which are perfectly suited to the job.
For decades, I've been putting these bolts in cars.
Bolts are excellent, on par with ARP.
It worked out great, and the product was exactly what I expected.
For my 5, I used the incorrect thread type. It was a complete failure!.
Worked well, but quickly rusted. We're in the process of installing a completely new engine.
It's a good read.