Product Summary

3.480" Stroke, 350 mains Main Journal Style

  • Designed for 2-piece rear main seal 350 Blocks
  • Has a rod length of 5.7" and a stroke of 3.480"
  • Features aero-wing counterweights and straight shot oil holes
  • This crankshaft is skillfully crafted from Scat's 9000 material
  • Offers reduced windage and the ability to increase your horsepower
See more details

Key Specs

Stroke3.480"
Main Journal Style350 mains
Crankshaft MaterialCast Steel
Rod Journal Diameter2.100"
Rear Main Seal Style2-piece
See more specs

Need To Know

Quick and Easy Returns

Return Policy

Scat 9-350-3480-5700 Details

Stroke your engine with this lightweight crankshaft from Scat. This crankshaft is skillfully crafted from Scat's 9000 material and offers reduced windage and the ability to increase your horsepower. This crankshaft features aero-wing counterweights and straight shot oil holes. 

  • Designed for 2-piece rear main seal 350 Blocks
  • Stroke: 3.480
  • Rod length: 5.700
  • Pin size: 2.100
  • Weight: 48
  • Internal balance
  • IMCA approved

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Scat 9-350-3480-5700 Specifications

KEY SPECS
MFG. Part #9-350-3480-5700
BrandScat
Stroke3.480"
Main Journal Style350 mains
Crankshaft MaterialCast Steel
Rod Journal Diameter2.100"
Rear Main Seal Style2-piece
Engine BalanceInternal
GENERAL
Connecting Rod Length5.700"
GTIN Code846091013105
Sold in QuantityEach

Ratings & Reviews

4.8

12 Reviews

Overall Assessment

Customers consistently highlight the excellent quality and affordability of our product. It's particularly commended for its precise fit that often eliminates the need for additional machine work. Users also appreciate the superior material quality that allows for durability and high performance. Additionally, they confirm its practicality and usability, with many planning to purchase again due to high satisfaction levels. While some customers noted initial issues with bearing clearances, the majority affirm the product's exceptional standards and overall value. The product is reportedly advanced in quality and weight compared to others, even inspiring confidence in its remarkable performance capability.

4.8

12 reviews

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Most Liked Positive Review

5.0

Most assuredly buy and feel confident you get a great produc

The last Scat 9000 steel crank I purchased was superb. That was a while back but the Steel 9000 I just received is so advanced in quality and weight. Just tap on it and listen to it sing. It excited me knowing my engine will preform as good as the RPM's I plan to put it through.

Most Liked Negative Review

3.0

Needed machine work out of the box

It was to tight on bearing clearances brand new taken out had a lot of rod journals .010-.015 thow to tight fit my liking

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Out of the box and into victory lane

5.0

3 months ago

Big Horn

Pittsburgh PA

Verified

First night out and into victory lane. Everything balanced great and seems great! Good quality for the price!

Would Recommend

Yes

5.0

10 months ago

Bivs

Wambe Texas

Verified

Fast delivery work out perfect no problems . Nice crank

Would Recommend

Needed machine work out of the box

3.0

4 years ago

Carney

Boone iowa

Verified

It was to tight on bearing clearances brand new taken out had a lot of rod journals .010-.015 thow to tight fit my liking

Would Recommend

Nice crank. Fast delivery.

5.0

4 years ago

Speedo the drooler

Las Vegas

Verified

Great product, fast shipping and great price. What more can you ak for? Packaged well. No hassles. Speedway Motors didn't disappoint. 5 stars.

Would Recommend

Fast shipping and exactly what I ordered.

5.0

4 years ago

Chris

Las Vegas

Verified

Great price, fast shipping and great product. What more can you ask for? Speedway Motors delivers.

Would Recommend

Would buy again

4.0

4 years ago

Joe

Kentucky

Verified

Great product good product for price.

Most assuredly buy and feel confident you get a great produc

5.0

5 years ago

4 stroke

Farmington NM

The last Scat 9000 steel crank I purchased was superb. That was a while back but the Steel 9000 I just received is so advanced in quality and weight. Just tap on it and listen to it sing. It excited me knowing my engine will preform as good as the RPM's I plan to put it through.

Would Recommend

would purchase agaIN

5.0

5 years ago

butch the builder

massena,new york

Verified

building 372 motor.perfect!!!!!!!!

Would Recommend

Scat crank

5.0

6 years ago

Chico

Grimes Iowa

Verified

Very nice piece for the price

Would Recommend

Great product

5.0

6 years ago

S

Oklahoma

Verified

Ready to order more

Would Recommend

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Showing 10 of 12 reviews

Questions & Answers

9 Questions • 11 Answers

Is this crankshaft neutrally balanced out of the box?

by BB

• 6 years ago

1 answer

What is the hp rating this crank will hold ? And what rpm range?

by Budget

• 7 years ago

1 answer

If it's a lightened crank, how is it IMCA legal?

by Brandon

• 8 years ago

2 answers

What size bearing does this crank require

by Shane

• 8 years ago

1 answer

I know it says 5.7 rod but will this crank take a 6.0 inch rod

by Taylor

• 8 years ago

1 answer

Can you run narrow bearing

by Bigd

• 8 years ago

1 answer

What is the difference between this crank and the normal scat crank shaft for $199? It looks like they both have a stroke of 3.48?

by Justin

• 9 years ago

2 answers

how much does it weigh? Does it have .125 radiused journals?

by jay

• 10 years ago

1 answer

Is this shaft cast steel or forged? thank you!

by Eddo

• 10 years ago

1 answer

9 of 9 questions shown

Fitment

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  • Gen 1 L48 Small Block Chevy

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  • Gen 1 L48 Small Block Chevy

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  • Gen 1 L81 Small Block Chevy

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  • Gen 1 L46 Small Block Chevy

  • Gen 1 L48 Small Block Chevy

  • Gen 1 L65 Small Block Chevy

  • Gen 1 L81 Small Block Chevy

  • Gen 1 L48 Small Block Chevy

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  • 2-Piece Rear Main Chevy 350

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  • 2-Piece Rear Main Chevy 350

  • Gen 1 L46 Small Block Chevy

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  • Gen 1 L82 Small Block Chevy

  • 2-Piece Rear Main Chevy 350

  • Gen 1 L46 Small Block Chevy

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  • Gen 1 L46 Small Block Chevy

  • Gen 1 L48 Small Block Chevy

  • Gen 1 L65 Small Block Chevy

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  • 350 Chevy Small Block V8

  • 350 Chevy Small Block V8

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  • 350 Chevy Small Block V8

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