You are here: Home > Lethal Performance (All)
Sort By:
Page of 1  
Moroso 07-09 GT500 Intercooler Reservoir Tank
List Price: $440.99
Our Price: $399.99
Sale Price: $309.99
You Save $131.00!

The MOROSO aluminum intercooler reservior coolant tank is a direct bolt-in replacement for your Shelby GT500. The MOROSO intercooler reservior coolant tank holds just under 1 gallon of fluid more than the stock tank. Adding more fluid into the cooling system helps reduces the intake temperature of the intercooler fluid which in turn adds more power!
SLP 05-08 Mustang GT "Loud Mouth" Axle-Back Exhaust
List Price: $527.72
Our Price: $376.94
You Save $150.78!

Your 05+ GT packs a 300-horse thoroughbred of an engine. Why bottle it up with restrictive, wimpy-sounding stock mufflers? Unleash the stallion within, with a Loud Mouth rear-section exhaust system from SLP Performance Parts. This affordable, easy-to-install kit eliminates the factory mufflers entirely, drastically reducing backpressure for enhanced power and a mind-blowing performance sound. Nothing else even comes close!
P321 07-09 GT500 Engine Bay Dress Up(Carbon Fiber)
07-09 GT500 Engine Bay Dress Up Kit w/Carbon Fiber
List Price: $965.99
Our Price: $689.99
Sale Price: $624.99
You Save $341.00!

All new and exclusively available through Lethal Performance and BVM Performance is the Project 321 GT500 specific Engine Bay Dress-Up kit with Carbon Fiber Inlays.

This is by far the highest quality billet cap assortment we've ever seen. Each piece is made from high quality billet aluminum and machined to perfection. Then anodized for a long lasting protective finish and topped off with a sleek looking carbon fiber inlay.
GT500 Engine Bay Dress Up Kit w/Stripes
GT500 Engine Bay Dress Up Kit w/Stripes
List Price: $825.99
Our Price: $589.99
You Save $236.00!

All new and exclusively available through Lethal Performance and BVM Performance is the Project 321 GT500 specific Engine Bay Dress-Up kit with GT500 race stripes.

This is by far the highest quality billet cap assortment we've ever seen. Each piece is made from high quality billet aluminum and machined to perfection. Then anodized for a long lasting protective finish and topped off with sleek looking race stripes which are machined into the cap.
Fore Precision Works 07-09 GT500 Fuel Rail Kit
Fore Precision Works 07-09 GT500 Fuel Rail Kit
List Price: $587.93
Our Price: $419.93
You Save $168.00!

This easy to install kit will not only improve the looks of your engine bay but also give you a great start towards upgrading your stock fuel system. These rails will clear all of the supercharger upgrades available for the GT500. Fore Precision Works 07-09 GT500 High Flow Fuel Rails
Innovators West 07-09 GT500 dampner
Innovators West 07-09 GT500 standard diameter harmonic dampner
List Price: $700.00
Our Price: $645.00
You Save $55.00!

Picture may not be exact product
Innovators West 07-09 GT500 10% Overdrive dampner
Innovators West 07-09 GT500 10% Overdrive Balancer Harmonic dampner
List Price: $700.00
Our Price: $645.00
You Save $55.00!

NOTE: Included with the balancer is a longer than stock M12 bolt for installing the balancer, and the three M10 bolts that are needed if you ever remove this balancer.

Innovators West now offers a complete replacement balancer for the 2007-2009 5.4L Shelby GT500.

Ford redesigned the factory balancer for 2008, making it much lighter than the 2007 unit. This balancer is even lighter than the new 2008 part.

-The supercharger drive section of the pulley is enlarged in diameter by 10%, for a 3-4psi increase in boost.
-Improves performance by reducing rotating weight and raising supercharger boost.
-Great for Ford Racing TVS blowers and those looking to get the most out of their stock blower.
-Available as 10% OD
-10% OD balancer requires slightly filing of casting for clearance.


NOTE: A larger belt is required for proper installation of this pulley
Innovators West 07-09 GT500 dampner and SC Belt
Innovators West 07-09 GT500 10% Overdrive Balancer Harmonic dampner - includes new SC belt
List Price: $750.00
Our Price: $695.00
You Save $55.00!

NOTE: The longer belt that's included in this kit is extremely hard to locate. This is why we now offer the option to buy the balancer and belt together making it easier to complete the installation of this part. In addition to the belt we include a longer than stock M12 bolt for installing the balancer, and the three M10 bolts that are needed if you ever remove this balancer.


Innovators West now offers a complete replacement balancer for the 2007-2009 5.4L Shelby GT500.

Ford redesigned the factory balancer for 2008, making it much lighter than the 2007 unit. This balancer is even lighter than the new 2008 part.

-The supercharger drive section of the pulley is enlarged in diameter by 10%, for a 3-4psi increase in boost.
-Improves performance by reducing rotating weight and raising supercharger boost.
-Great for Ford Racing TVS blowers and those looking to get the most out of their stock blower.
-Available as 10% OD
-10% OD balancer requires slightly filing of casting for clearance.


NOTE: A larger belt is required for proper installation of this pulley
Ford Racing GT500 Crankshaft Balancer Pulley
Ford Racing 2008 Shelby GT500 Crankshaft Balancer Pulley - fits 07-09 GT500
Our Price: $285.00

Weighing in at just 10lbs, this revised crankshaft pulley will remove over 12lbs of rotating mass over the factory 22lb 2007 GT500 crankshaft pulley.

Designed by Ford engineers, it has the proper harmonic characteristics for the engine as well providing all the benefits of reduced rotating mass such as slightly improved throttle response and less stress on the front end of the crankshaft.

Highly recommended for all GT500 owners, especially if you plan on increasing boost on the factory supercharger or upgrading to a larger supercharger.

Product Benefits
* Reduces rotating mass
* Sheds 12lbs of front end weight
* Direct bolt on replacement

Fits Vehicle Model:
Ford Mustang Shelby GT500

Fits Model Year:
2007, 2008, 2009