What size is the harmonic balancer bolt on a 351 Windsor?

The center bolt for the harmonic balance will require a 15/16″ socket. I would suggest a 6 point socket. It’s a 15/16, and get an impact socket because that’s the only way you can loosen the bolt.

What size is the crank bolt on a 351 Windsor?

Crankshaft main pulley bolt size 5.8W.

What size nut is on the harmonic balancer?

There’s 4 10mm bolts holding the harmonic balancer and a 30mm holding the center nut of the harmonic balancer.

What size is the crankshaft bolt?

Crankshaft Pulley Bolt (12 X 1.5 X 110 mm) – Replaces OE Number…

Are harmonic balancer bolts reverse thread?

As far as I know, it’s a standard left-hand thread.

What size is the crankshaft pulley nut?

… it should be 19mm if it’s the factory one.

What size is the crankshaft bolt on a 6.6 Duramax?

GM Duramax Crankshaft & Flywheel Kit

36 mm 12 Point 3/4 inch drive impact socket removes the crank bolt which requires a torque of 285 ft. Lbs.

What size is an ls1 crank bolt?


Brand: ARP
Other Part Number: 234-2503
Part Type: Fasteners
Thread Size: 16mm x 2.0
Underhead Length (in): 4.330 in.

Do all engines have a harmonic balancer?

The harmonic balancer is an engine component found on virtually all rotating internal combustion engines and plays an important role in protecting the engine from dangerous harmonic vibrations and potential damage.

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What is a crankshaft pulley?

The crankshaft pulley (harmonic balancer) is mounted on the end of the crankshaft. Its purpose is to turn the drive belts that operate the engine accessories (alternator, air conditioning compressor, etc.)

Is a harmonic balancer bolt?

The harmonic balancer is an assembly of parts that absorbs and dampens engine vibrations in order to keep the engine and the belts attached to it running smoothly. It is attached to the end of the crankshaft, and is bolted to the crankshaft pulley to run the accessory belt drive.