Our new 4340 steel stock stroke crankshaft is ideal for your turbo Buick engine!

Features:

• 3.400 Stroke
• 4340 Steel
• .860 Rod Journal Width
• 5/64" Radius
• Diagonal Oil Slots on Seal
• Standard Rod and Main Journals

Part Number: WRE CSGN3400
Application: Even Fire 3.8L, 4.1L 231 Buick V6 Engines

Please note that a modified key is installed in this crankshaft and the rear flange is cut so that your flexplate will seat flush.  Be advised that most crankshafts purchased elsewhere will require these modifications.