Eagle Forged 4340 Steel Crankshaft, Chevrolet SB 400 Main
Eagle forged 4340 steel crankshafts offer the maximum strength at an affordable cost. These cranks are made from a non-twist forging, using only certified 4340 steel. Multi-stage heat treated for greater strength, x-rated and sonic tested to ensure quality. All snout, rod, and main journals filet radius are .125" for added strength (requires narrowed bearings). They are fully nitrided for greater longevity and micro-polished to a 3 r.a. or less to maximize bearing life.
•Non-Twist Certified 4340 Steel Forgings
•Multi-Stage Heat Treated for Greater Strength
•Large .125" filet radius for Added Strength
•X-Rayed and Sonic Tested to Ensure Quality
•Fully Nitrided for Greater
•Micro Polished to a 3 r.a. or Better to Maximize Bearing Life
Part Type: Crankshaft
Application: Chevrolet Small Block
Crankshaft Material: 4340 Forged Steel
Nitrided: Yes
Rear Main Seal Style: 2 piece
Engine Main Bearing Type: 400 Main
Stroke: 3.875"
Rod Length: 6.000" and up
Rod Journal Diameter: 2.100"
Crankshaft Snout Size: Standard
Engine Balance: Internal
Lightening Holes In Rod Throws: No
Rod Bearings Included: No
Requires Narrow Bearings: Yes
Main Bearings Included: No
Manufacturer: Eagle
Manufacturer's Part Number: 440038756000
Weight: 59 lbs.
Warranty: Sold without warranty, expressed or implied
Quantity: Sold as Each |