As the premium line of crankshafts offered by Lunati, Signature Series Crankshafts are the strongest you will find for your engine. The specialized non-twist 4340 forged steel construction comes completely profiled and detailed to our racing specs. Many design features such as gun drilled mains, lightened rod journals, micropolished journals and a windage reducing contoured wing counterweight profile make the Signature Series the best choice for serious racers.
Engine Crankshaft
Documents
Attributes
California Proposition 65: | WARNING: This product contains a chemical known to the State of California to cause cancer, birth defects or other reproductive harm. |
Connecting Rod: | Small Block Chevy |
Crankshaft Material: | 4340 Forged Steel |
Crankshaft Series: | Signature Series |
Main Journal Outer Diameter: | 2.648 IN |
Minimum Rod Length: | 6 IN |
Notes: | 400 Main / 2PC Rear Seal |
Rod Journal Outer Diameter: | 2.1 IN |
Rod Journal Width: | 1.9 IN |
Stroke: | 3.875 IN |
Title: | Signature Series Crankshaft SBC w/ 400Main, 2 pc Seal, 3.875 in Stroke |
Package Information
Orderable Status:YesQuantity:1Package UOM:Smallest Pack (Consumer Level)Package Level GTIN:00788120790000Package Bar Code:788120790000Weight Variance:0.000000000Stacking Factor:0Inner Quantity:0
Extended Information
Country of Origin (Primary):USEmission Code:Legal USHarmonized Tariff Code (Schedule B):8409914000Life Cycle Status Code:Temporarily UnavailableLife Cycle Status Description:Temporarily UnavailableMSDS Required Flag:NoMSDS Sheet Number:NNAFTA Preference Criterion Code:Criteria BNational Popularity Code:New Item 3 Months, 6 Months, etc.National Popularity Description:New Item 3 Months, 6 Months, etc.OEM’s Part Number:NOriginal Equipment Manufacturer:NRefurbished Part:NoRemanufactured Part:NoWarranty Time:12Warranty Time UOM:Month
Lunati
The Racer's Company. Since the 1960s, Lunati has manufactured engine components of the highest quality using cutting-edge technology. Every single product we sell undergoes extensive testing and analysis to ensure the end result is a superior product that can withstand demanding race conditions.No cam company, new or old, is more qualified to envision and implement such a revolutionary advancement than the new Lunati. With its stellar heritage, a dedicated new management team and ample financial support, the future is bright for Lunati.