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...

OE Harmonic Balancer Tacoma/Tundra/T100/4Runner Looking to replace your old warn out harmonic balancer then look no more we have searched and found the best OE replacement out there. This direct replacement harmonic balancer features a stress-resistant...

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...

Lightweight Crankshaft Pulley (2.5lbs) You want to squeeze out every last bit of acceleration and horsepower from your engine. Here it is. This lightweight crankshaft pulley is manufactured in the USA. This pulley is the same size as stock, so no belt...

Oil Pump Crankshaft Front Seal New OEM quality Oil Pump Crankshaft Seal. Eliminate those pesky front oil leaks by replacing the old brittle seal with this new high-quality seal. Contact our Tech Support Line for further information at...

OEM Balancer Bolt We recommend replacing the balancer bolt any time you remove the harmonic balancer. Cheap insurance to avoid problems down the road. This is the OEM bolt with a large flange. The bolt size is m16 x 1.50. It is recommended to use...

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...