Air Design Tailgate Spoiler Kit Visually and technically, the elegant designs on every Pick-Up Tailgate Spoiler custom designed by Air Design provide a unique level of personalization and improved aerodynamics. Made of High Impact resistant Austrian...

Air Design Full Kit (Black Applique) Fender Flares: Air Designs Super R.I.M. Fender Flares incorporate our proprietary SUPER-BOLT (PAT.) fixing system that adheres to the vehicle’s surface, for a No-Drill, mechanically robust fixation and a...

Air Design Full Kit (Black Applique / Without Fender Vents) Fender Flares: Air Design ́s Super R.I.M. Fender Flares incorporate our proprietary SUPER-BOLT (PAT.) fixing system that adheres to the vehicle’s surface, for a No-Drill,...

Header Stud Set The factory exhaust manifold studs have a shoulder in the center that can interfere with proper header tightening. Our 10mm x 48mm long, heat treated and plated header mounting studs are stronger than stock. Kit Includes: (8)...

Oil Filter Housing Seal Kit (OEM) When removing the oil filter housing, it is always a good idea to replace these two O-ring seals. Any leak in this area can contaminate the system and affect oil pressure, not to mention the mess in the engine...

Pro Boosted Cylinder Head The Pro Series cylinder heads are designed as a stock replacement with some mild performance upgrades. Great for any stock application or mild performance build. The Pro Series heads are compatible with stock fuel injection...

Ultimate Knuckle Rebuild Kit (Low Range Offroad) At one time it might have been difficult to answer the question, "Who makes the best knuckle rebuild kit?" Since there was no complete kit on the market, people were forced to buy all the pieces...

Koyo Front Wheel Bearing Kit (Made in Japan) We are constantly asked whether we have Koyo Front bearings for the 79-85 4wd Toyota Pickups and 4Runners. Well, we listened. LC Engineering now stocks Japanese Koyo Front Wheel bearing kits. Kit...

Throttle Body Rebuild Kit Have an old worn out throttle body? Well, you are in luck! We have developed this kit that includes a new throttle body gasket, new shaft seals, and LC Engineering's own idle speed screw so you can rebuild yours. Call and...

Lightweight Flywheel (19Lbs. Billet Steel) If you circle track, drag race, or have a street car or truck with small tires, grab one of our lightweight aluminum flywheels and hang on! You will feel acceleration like you never thought possible, even with...

Pro Flow Exhaust System LC Engineering is proud to introduce this Mid-Exhaust System for your 5th Generation 4Runner powered by the awesome 1GR 4.0L engine. This kit will give a great tone to your exhaust as well as provide a few HP gains! All of our...

Spool Connecting Rod (Chromoly H-Beam) About Spool Conrods They are made from a two piece-Chromoly steel forging to ensure maximum strength/durability and come standard with ARP 2000 Fasteners. Forged Steel rods begin their life as bars of 4340 Steel...