Hardware Kit (Exhaust Flange) Exhaust hardware kit used on the two-bolt collectors in the header and exhaust kits. Kit Includes: (4) Mechanical locking nuts (M10 x 1.25mm) (4) Flange Bolts (M10 x 1.25mm x 40mm grade 10.9) NOTE: All hardware is...

OEM Mechanical Lock Nut (Exhaust Manifold) When installing new aftermarket headers, new hardware should be used. An even clamping force is required to keep the header tight against the head in order to seal the exhaust gasket properly. The studs on...

Oxygen Sensor Install Kit (2-Bolt Style) This kit contains everything you need to install the factory 2-bolt O2 sensor into your custom exhaust. It allows you to weld in the O2 sensor wherever you want it in the exhaust. Kit Includes: (2) Studs and...

OEM Exhaust Manifold Stud When installing new aftermarket headers, new hardware should be used. An even clamping force is required to keep the header tight against the head in order to seal the exhaust gasket properly. The studs on your truck may be 20...

Merge Collector (3-1 1/2″ into 1-2 ¼″) You've got that header all constructed, now you just need a collector to tie it all together. LC Engineering has already done the work for you, just pick the one for your application, slip it on, and weld it...

Rubber Tailpipe Hanger (2-Hole) Factory replacement rubber insulator for tailpipe. Contact our Tech Support Line for further information at 928-575-2174. Note: Images are for illustration purposes only. Images may not represent the...

Rubber Tailpipe Hanger (3-Hole) Factory 3 Hole replacement rubber insulator for tailpipe. Contact our Tech Support Line for further information at 928-575-2174. Note: Images are for illustration purposes only. Images may not represent...

High Torque Flywheel (35Lb 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 engine...

Lightweight Flywheel (12lb Billet Steel) If you circle track, drag race, or have a streetcar or truck with small tires, grab one of our lightweight flywheels and hang on! You will feel acceleration like you never thought possible, even with a stock...

High Torque Flywheel (38Lbs 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...

Lightweight Flywheel (16Lb Steel) If you circle track, drag race, or have a street car or truck with small tires, grab one of our lightweight flywheels and hang on! You will feel acceleration like you never thought possible, even with a stock engine...

High Torque Flywheel (30Lb 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 engine up in...