Eagle billet 4340 steel crank for EJ257 Subaru 2006-2014 WRX and 2004-2021 STi. Available in 2 stroke sizes 79mm and 83mm. Please do all your research and consult your engine builder if necessary before purchase.
Vehicle Fitment:
Subaru 2006-2014 WRX
Subaru 2004-2021 STi
Important Notes:
Crankshaft must be balanced to match your specific rods and pistons.
Part Number: | Stroke: | Note: |
3EJ231105137 | 79mm (3.110″) | – |
3EJ232685137 | 83mm (3.268″) | Required use with 1.130″ pin height pistons |
Eagle billet 4340 steel crankshafts feature .125″ fillet radiuses for superior strength so chamfered / narrowed bearings required, nitrided surface, & micropolished to < 2 ra.
Additional Crank Specs:
• Material: Billet 4340 Steel
• Intended Balance: Internal
• Rod Journal: 2.046″
• Rod Journal Width: 0.857″
• Main Journals: 2.362″
• Minimum Rod Length: 5.137″
• Typical Weight: 35 Pounds
Purchase Includes:
(1) Crankshaft