OEM 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...

OEM 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 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...

Tube Kit Only (LC Pro Air Intake) Not Smog Compliant The LC Pro Intake Tube replaces your restrictive factory plastic intake system with a 2 1/2" mandrel bent ceramic-coated stainless steel tube while retaining the factory inlet and air box. CNC...

4 Cylinder Injector Service NOTE: Customer is responsible for paying postage to send their injectors to LC Engineering. Be sure to include the following with your injectors: Name (First & Last) Return Shipping Address Sales Order Number (Copy of...

Fuel Injector Isolators (Bottom) To isolate injectors in the stock intake manifold LC Engineering suggests changing these when rebuilding the engine or when servicing the fuel injectors. LC Engineering flow-matched fuel injectors include new isolators...

Fuel Injector O-Rings Located on the fuel rail end of the injectors. LC Engineering suggests changing these when rebuilding or servicing the engine or the manifold assembly. LC Engineering flow-matched fuel injectors include new o-rings in the kit...

Propane Injection Kit Our kits are designed to bolt onto the carbureted 22R and 20R motors and to use your existing carburetor throttle plates. These are excellent conversions, very simple and clean. Installation time should take 2 to 5 hours,...

Propane Injection Kit We now have a propane kit designed for the EFI engine! Lose that smashed up gas tank and poor drivability due to faulty sensors and old wiring with bad connections. Our kits are designed to bolt on to the factory throttle body and...