Catalytic Converter (17.5" x 2.5") Freeflow Stainless Steel Catalytic Converter fits OEM or aftermarket exhaust systems. 2-1/2" pipe and flanges make for a direct fit for most applications. It comes with gaskets. NOTE: Not legal for installation on...

Rock Sliders (w/o Gussets) Rock sliders are a great way of protecting the rocker panels of your Toyota Pickup, 4Runner, Tacoma, or FJ Cruiser. These Rock Sliders are designed to be the strongest on the market, starting with 1 3/4" OD x .120 wall 1035...

High Torque Flywheel (30Lbs. Billet Steel) If your truck has big tires (32"+), LC Engineering has Hi-Torque flywheels to help overcome the performance loss. By increasing flywheel weight, the added inertia of the clutch/flywheel assembly keeps the...

Pro HD Dual Valve Springs (High RPM / Boost) The Pro Dual Valve Springs are a "must-have" upgrade when running bigger lift cams and higher RPM's. With 100lbs of seat pressure 1.400" install height and open pressure of 225lbs (at .450" lift) they will...

Rock Ripper Extreme Air Intake Replace your restrictive factory air filter/box and boost your engine's performance with the Rock Ripper™ Performance Line Extreme Air Intake System. Features: Polished stainless steel intake tubing and cast aluminum...

Rock Ripper Extreme Air Intake Replace your restrictive factory air filter/box and boost your engine's performance with the Rock Ripper™ Performance Line Extreme Air Intake System. Features: Polished stainless steel intake tubing and cast...

Rock Ripper Extreme Air Intake Replace your restrictive factory air filter/box and boost your engine's performance with the Rock Ripper™ Performance Line Extreme Air Intake System. Features: Polished stainless steel intake tubing and cast...

Ring & Pinion Setup Kits Our differential setup kits feature factory Toyota bearings for lasting quality. Kits include bearings, shims, marking paint, and seals. Contact our Tech Support Line for further information at 928-575-2174...

Street Piston Set w/ Rings (94.50mm / +.020") Hypereutectic Pistons LC Engineering carries a full line of Street series Hypereutectic pistons for whatever engine you have. The Hypereutectic process allows for a much stronger piston that will not...

Street Piston Set w/ Rings (94.00mm / Standard) Hypereutectic Pistons LC Engineering carries a full line of Street series Hypereutectic pistons for whatever engine you have. The Hypereutectic process allows for a much stronger piston that will not...

Street Piston Set w/ Rings (94.75mm / +.030") Hypereutectic Pistons LC Engineering carries a full line of Street series Hypereutectic pistons for whatever engine you have. The Hypereutectic process allows for a much stronger piston that will not...

High Output Alternator (U.S. Models ONLY)   LC Engineering's high output alternator is the answer to all you charging issues. Running big lights, killer stereo, winch but don't want to change to a one wire kit then this is the alternator for you...