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...

Crankshaft Scraper (Full Perimeter) During regular engine operation, a significant amount of oil adheres to or becomes entrained in, a cloud surrounding the spinning bottom end. This oil eats up the horsepower your engine is making by increasing the...

Large Oil Galley Plug (3/8"-19 BSPT) Every 20R/22R/RE/RET block and crankshaft have numerous oil port locations that need to be plugged off. You will need two, one goes in the front of the block, and one goes in the rear of the block. LC Engineering...

Medium Oil Galley Plug (1/4"-19 BSPT) Every 20R/22R/RE/RET block and crankshaft have numerous oil port locations that need to be plugged off. You will need four of these for the crankshaft and one for the inside of the block under the oil filter...

Small Oil Galley Plug (1/8"-28 BSPT) Every 20R/22R/RE/RET block and crankshaft have numerous oil port locations that need to be plugged off. You will need two for the passenger side of the block. LC Engineering can supply you with all these hard to...

LC Engineering Street Crankshaft (+.010" Main / +.010" Rod) LC Engineering is proud to present our new Street Performer Crankshafts. We have spent years chasing core crankshafts to rework to our street performer crankshaft needs, But now we have taken...

Pulley Bolt (Front Balancer) OEM Toyota front crank hub bolt fits all 2RZ and 3RZ engines. We recommend replacing the balancer bolt any time you replace the front balancer. OEM Toyota Part #: 90105-16041 Contact our Tech Support Line for...

Seal Saver (Rear Main) 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 and...

Main Stud Set ARP main studs are manufactured from 8740 chrome-moly steel, heat-treated in-house, 200,000 psi tensile strength and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger. All kits come...

OEM Main Bolt Set Time to replace those main bearing cap bolts while rebuilding your bottom end? No problem, we have you covered, order this complete set of 10 main cap bolts. Contact our Tech Support Line for further information at 928-575-2174...

Pro Main Stud Set ARP main bearing cap studs are manufactured from 8740 chrome-moly steel, heat-treated in-house, 200,000 psi tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger...

Connecting Rod Set (Pro Journal / Chromoly H-Beam ) When 300 horsepower or more is expected, a stronger rod is recommended. LC Engineering’s Pro Chromoly H-Beam Rods will fit the bill. These H-Beam 4340 Forged Chromoly Steel Connecting Rods are...