You may also like
More from Gen V / LT Parts and Accessories
Recently viewed
Our online store remains open while we post intermittently during our office xmas holiday closure on the 20th Dec.Office Storefront reopening on the 6th Jan. Expect postage delays between 20/12/24 and 06/01/25.
This crank can be fitted to all LS engines ( some needing to be clearanced)
When fitting this crank to a LSA or LS3 with a 4.065 bore the new engine capacity will be 6.6L or 400Ci.
Forged centrally balanced made in the USA crank
Genuine GM forged crankshaft from the Gen V 6.6L L8T
GM Part Number 12708884
- Forged
- 3.860 inch stroke
- 58x crank trigger
- 8-bolt flywheel pattern
- Centre counter weighted design
5.3L and 6.0L iron blocks must be clearanced to use this crankshaft