Pro Main Studs ARP main studs are manufactured from 8740 Chromoly steel, heat-treated in-house to 200,000 psi Tensile strength, and precision J-form threads rolled after heat-treat to create a fastener that has threads 1000% stronger than others. All...

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...

OEM Connecting Rod Bolt To eliminate the chance of rod failure when building a budget or stock motor we highly recommend replacing the rod bolts. At continuous high rpm, the stock bolts will stretch, and rod bearing or rod failure occurs. These rod...

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...

Main Bolt Set Time to replace those main bolts while rebuilding your bottom end? No problem, we have you covered, order this complete set of (8) main bolts. Contact our Tech Support Line for further information at 928-575-2174. Note:...

Connecting Rod Bolt To eliminate the chance of rod failure when building a budget or stock motor we highly recommend replacing the stock rod bolts. At continuous high rpm, the stock bolts will stretch, and rod bearing or rod failure occurs. These Rod...

Connecting Rod Bolt Set (H-Beam Rod) To eliminate the chance of rod failure when building your motor we highly recommend replacing your rod bolts. At continuous high rpm, the stock bolts will stretch, and rod bearing or rod failure occurs. These Pro...

Harmonic Balancer Seal Saver Do you have a pesky oil leak coming from the harmonic balancer? Don't just keep swapping out front seals. Press this seal saver into the harmonic balancer seal surface to keep the seal riding on a beautiful smooth finish...

Main Bearing Set These bearings for the 5VZ and 3VZ engines are factory replacement bearings. These factory replacement bearings offer the reliability and durability that you expect from LC Engineering. NOTE: No returns accepted for Standard size...

Street Rod Bushing Set Any time you remove your connecting rods it is an excellent idea to change out the wrist pin bushings. After a while, the bushings will wear out causing the piston to "walk" in the bore and could eventually cause significant...

Engine Rebuild Oil Galley Plug Kit Every 20R/22R/RE/RET block and crankshaft have numerous oil port locations that need to be plugged off after cleaning. LC Engineering can supply you with all these hard to find plugs. Most engines have some sort of...

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...