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What size is the harmonic balancer bolt on a small block Chevy?

The size of the harmonic balancer bolt on a small block Chevy can vary depending on the specific engine model and year. However, based on the search results, here are some common sizes mentioned:
– Thread Size: 7/16-20
– Wrenching Size: 5/8″
– UHL (Under Head Length): 2.470″
– Head Size: 13/16″
It’s important to note that these sizes are general guidelines, and it’s always recommended to consult the specific manufacturer’s specifications or refer to the vehicle’s service manual for accurate information.

What size socket do I need to remove a harmonic balancer bolt?

22mm
22mm Harmonic Balancer Socket- Remove Crank Bolt.

What size is the crank bolt on a 350?

The crank bolts for a Chevy 350 engine will be 5/8 inches in length. These bolts are only going to cost a few dollars for a set of them. Since this is an older engine You’re likely not going to be able to purchase this at a big box store or a smaller auto part store.

What size bolt holds the harmonic balancer on a small block Chevy?

7/16-20 in
Description Thread Size: 7/16-20 in.

What size is the pulley bolt on a Chevy 350 harmonic balancer?

The bolt size on the 350 harmonic balancer bolt is a 5/8 in. A 5/8 deep well socket and small extension should work for you. Be careful, if you get carried away, you can sheer off the bolt. It can be hard to get the remainder out of the crank (yes, this is experience speaking ).

What size is the crankshaft bolt small block Chevy?

Re: Crank Bolt size.
They are 7/16″-20. Just be sure you don’t use bolts for a flywheel as they are too long and will ruin your block if you run it that way.

Are all small block Chevy harmonic balancers the same?

You can use a balancer from any SBC except a 400, as long as the diameters are the same to clear your timing comb. Put your own TDC mark on if they’re not in the same spots.

Is the harmonic balancer bolt same as crankshaft bolt?

Is a crankshaft pulley and harmonic balancer the same thing? No! They are two different things. The harmonic balancer slides onto the front of the crankshaft which has a keyway on it to keep it from slipping and a bolt and wide washer holds it in place.

What size harmonic balancer is on a 350?

8-inch balancer
Nearly all 350s came with an 8-inch balancer because of their relatively long stroke. An 8-inch balancer was used on the short-stroke, 3.0-inch-stroke, 302 Z/28 engines because those mills were intended for road racing.

What size thread is a harmonic balancer bolt?

Product Specifications

Bolt Grade: Class 10.9
Thread Diameter: M12x1.5
Thread Length: 40 mm
Thread Pitch: 14 mm
Thread Type: Fine

What is the common crank bolt size?

8mm
The bolt diameter is 8mm and there is 1mm betwween thread peaks. This size is by far the most common. However there are other standards.

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