Scat 440076 421 Fits Chevy 4340 Forged Crankshaft, 3.875 Stroke, 400 Main

Description

Designed and engineered at SCAT, Features straight shot & chamfered oil holes, Has a 2.100" rod pin and weighs only 55 lbs., It is nitride hardened for superior wear resistance, Internally balanced to use neutral balance dampers, flywheels or flexplate
Scat 440076 421 Chevy 4340 Forged Crankshaft, 3.875 Stroke, 400 Main
Sku # 91515574
Mfr. Part # 440076
Condition
New
Brand
Scat
Sold
Each
Details
Info
As you make more and more power it becomes more important to use quality parts. These Scat 4340 forged steel cranks will help keep your motor alive.
Straight shot & chamfered oil holes
Nitride hardened for superior wear reisistance
Lightening holes in all rod throws
Large radius on all journals
Heat treated, shot peened
Designed at SCAT
Engineered at SCAT
Inspected & micropolished at SCAT
For 2-piece rear main blocks
Internally balanced to use neutral balance dampers, flywheels or flexplates
2.100" rod pin
55 lbs.
Item Details
3.875" stroke - 400 mains - 6.0" rods
Installation Tips
Please Note:
All crankshafts must be balanced for their rotating assembly by a qualified engine machine shop before installation and use
Specs
Sold in Quantity
Each
Main Journal Style
400 mains
Rear Main Seal Style
2-piece
Connecting Rod Length
6.000"
Crankshaft Material
Forged 4340 Steel
Main Journal Diameter
2.648"
MFG. Part #
440076
Stroke
3.875
Weight
55
Rod Journal Diameter
2.100"
Notes
internally balanced
GTIN Code
846091012450
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Tech Support
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 72 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.