Throttle Body Gasket Throttle body gaskets can be a source of hard-to-find vacuum leaks if the throttle body is removed or disrupted. Any time you remove your throttle body, you should replace the gasket while you're at it. This is a stock replacement...

Throttle Body Gasket (Metal "D" Shape) Throttle body gaskets can be a source of hard-to-find vacuum leaks if the throttle body is removed or disrupted. Any time you remove your throttle body, you should replace the gasket while you're at it. This is...

OE Throttle Position Sensor Throttle position sensors are switches on the throttle body that keep the engine control computer informed about the throttle opening. The TPS is a variable resistor that changes resistance as the throttle opens wider. The...

Idle Speed Adjusting Screw (w/ O-Ring) Is your Idle Speed Screw loosening by itself keeping the motor from idling properly? Is it stripped out from all of the adjustments over the years? Is it even on the throttle body anymore or did it fall out? LC...

Throttle Body Spacer Kit Our throttle body spacers feature a unique spiral bore that agitates the incoming air to promote better atomization of the fuel molecules, resulting in a more complete burn in the combustion chamber. These kits include a...

Throttle Body Air Horn Kit Designed to improve the air flow capabilities of a Sidedraft Throttle Body, these air horns are manufactured & machined in-house for the maximum accuracy and quality. The full radius design is accepted by the performance...

Fuel Filter When was the last time you changed your fuel filter? Toyota recommends changing it out every 30,000 miles, but some prefer changing theirs every 15,000 for many reasons. LC Engineering carries fuel filters for your Toyota. One of the most...

Fuel Filter A frequently overlooked tune-up component is the fuel filter. While modern gasoline is highly refined, contaminants can still get in fuel anywhere from the filling of the transport truck to particles in your own gas tank. Little bits of...

Fuel Filter (Carb) LC Engineering carries fuel filters for your Toyota. One of the most commonly overlooked tune-up components is your fuel filter. When you consider factors like a 15 to 25 year old metal gas tank with debris inside it, junk gasoline,...

1-Bar Map Sensor (No Boost) Map sensors in 3 varieties (1 Bar, 2 Bar, and 3 Bar), and a barometric pressure sensor. 1 Bar Sensors are good for NA engines and measure from 0 (vacuum) to approximately atmospheric pressure. A 2 Bar Sensors is good for up...

Hall Sensor (Replacement) The Hall Sensor mounts on the front cover and uses magnets strategically mounted in the balancer pulley to generate a signal for proper ignition timing. Contact our Tech Support Line for further information at...

Fan Relay Electric fan relay upgrade for Pro Fuel Injection kits. Allows the computer in our Pro Fuel Injection kits to control your electric fan. Contact our Tech Support Line for further information at 928-575-2174. Note: Images are for...