L8T Forged Crankshaft Genuine GM
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
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