Harmonic Balancer Bolt For Small Block Chevy 350 5.7L LT1 – Adabuing Alloy Steel

This is a harmonic balancer bolt from Adabuing – designed to fit Small Block Chevy engines, specifically the 350ci (5.

7L) and LT1 models.
It's a critical part that holds the harmonic balancer in place on the crankshaft.
The bolt is made from alloy steel with a machined exterior finish, so it's strong and durable.

It has a flat head style and a hexagon drive, with a thread size of 3/8-inch-16 UNC and right-hand threading.

The part number is 38770, and it's grade 2 – standard strength for this application.

The package dimensions are about 2.

8 x 2.
1 x 0.
75 inches, and it weighs just 0.

2 pounds.
It's a single unit, brand new in packaging.
If you're rebuilding or doing maintenance on a SBC, this is the right bolt to keep your balancer secure.
No UPC, but it's a simple, no-nonsense part that does exactly what it should.