Crankshaft Key (Woodruff Key) Crankshaft keys (also called woodruff keys) are semicircular shaped, removable keys that fit into matching keyways cut into the crankshaft leaving protruding tabs. These tabs mate with matching slots on the harmonic...

New OEM Crankshaft LC Engineering has new forged 3RZ crankshafts. Replace your stock damaged crankshaft with a brand new upgraded OEM crankshaft from LC Engineering. A must for any 3RZ performance motor. OEM Toyota Part #: 13411-75901 Contact...

Seal Saver (Rear of Crankshaft) Do you have a pesky oil leak coming from the rear main seal? Don't just keep swapping out rear main seals. LC Engineering carries this seal saver that slides right over the rear hub of the crank and rides between the...

Seal Saver (Front of Crankshaft) Do you have a pesky oil leak coming from the harmonic balancer? Don't just keep swapping out front seals. LC Engineering carries this seal saver that slides right over the snout of the crankshaft and rides between the...

Seal Saver (Rear Main Seal) Do you have a pesky oil leak coming from the rear main seal? Don't just keep swapping out rear main seals. LC Engineering carries this seal saver that slides right over the rear hub of the crank and rides between the crank...

Crankshaft Key Set Crankshaft keys (also called woodruff keys) are semicircular shaped, removable keys that fit into matching keyways cut into the crankshaft leaving protruding tabs. These tabs mate with matching slots on the harmonic balancer flush...