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Steeda Supercharger Pulley for 07-14 Shelby GT500 Steeda Belt Tensioner (07-14 GT500) Steeda Underdrive Pulleys for 05-10 GT
Our Low Price $159.95
Regular Price $272.45
Sale Price $262.45
Reg. Price $261.95
Sale $249.95
Shelby GT500 Supercharger Pulley 555-3354 Steeda Belt Tensioner GT500 Steeda Underdrive Pulleys for 05-10 GT
Bolt on easy horsepower and torque with Steeda's underdrive pulley set from StangMods. Underdrive pulleys slow down the accessories on your Mustang's motor to free up extra horsepower. They have been a popular bolt on since the Foxbody era and they'll add a good amount of power to your modular engine.

All Steeda pulleys are SFI approved and the only pulleys on the market that have been engineered through Ford's technology transfer program. What this means for the end user is a high quality pulley that functions like an OEM part. Steeda's Mustang pulleys slow down accessory speed by 25% which results in a gain of 10-12 horsepower and torque. This is all accomplished without any adverse effects to your Mustang's alternator, water pump or battery.

Steeda's underdrive pulleys are the best in the business! They are manufactured to exceed OEM standards and they install very easily. Pick up honest horsepower, torque and even bump up your gas mileage with a set of underdrive pulleys.

Key Specs Guaranteed horsepower increase Does not effect charging power or water pump operation Easy installation Re-uses your original belt

Fits 2005-2010 Mustang GT
Steeda Underdrive Pulleys for 02-04 GT Steeda Underdrive Pulleys for 96-01 GT Steeda Underdrive Pulleys for 01 Cobra and 03-04 Mach 1
Regular Price $252.95
Sale Price $239.95
Regular Price $252.95
Sale Price $239.95
Regular Price $252.95
Sale Price $239.95
Steeda Underdrive Pulleys for 02-04 GT Steeda Underdrive Pulleys for 96-01 GT Steeda Underdrive Pulleys Mach 1 701-0004
Bolt on easy horsepower with Steeda's underdrive pulley set from StangMods. Underdrive pulleys work by slowing down the drive accessories on your Mustang's motor to free up extra horsepower. They have been a popular bolt on since the Foxbody era and they'll add a good amount of power to your modular engine.

All Steeda pulleys are SFI approved and the only pulleys on the market that have been engineered through Ford's technology transfer program. What this means for the end user is a high quality pulley that functions like an OEM part. Steeda's Mustang pulleys slow down accessory speed by 25% which results in a gain of 10-12 horsepower and torque. This is all accomplished without any adverse effects to your Mustang's alternator, water pump or battery.

Steeda's underdrive pulleys are the best in the business! They are manufactured to exceed OEM standards and they install very easily. Pick up honest horsepower, torque and even bump up your gas mileage with a set of underdrive pulleys
Bolt on easy horsepower with Steeda's underdrive pulley set from StangMods. Underdrive pulleys work by slowing down the drive accessories on your Mustang's motor to free up extra horsepower. They have been a popular bolt on since the Foxbody era and they'll add a good amount of power to your modular engine.

All Steeda pulleys are SFI approved and the only pulleys on the market that have been engineered through Ford's technology transfer program. What this means for the end user is a high quality pulley that functions like an OEM part. Steeda's Mustang pulleys slow down accessory speed by 25% which results in a gain of 10-12 horsepower and torque. This is all accomplished without any adverse effects to your Mustang's alternator, water pump or battery.

Steeda's underdrive pulleys are the best in the business! They are manufactured to exceed OEM standards and they install very easily. Pick up honest horsepower, torque and even bump up your gas mileage with a set of underdrive pulleys.

Key Specs Guaranteed horsepower increase Does not effect charging power or water pump operation Easy installation Re-uses your original belt

Fits 1996-2001 Mustang GT
Fitment note - Midway through the production run for the 2001 model year Ford changed the design of the water pump on the 4.6L engine. The older style pump produced from 1996 to mid 2001 had a longer shaft. In January of 2001 the design of the pump was changed to a shorter shaft. This necessitated a change in the design of the pump pulley.
Add easy horsepower and torque to your 2001 Cobra or 03-04 Mach 1 edition Mustang with Steeda's underdrive pulleys. Underdrive pulleys work by slowing down the drive accessories on your Mustang's motor to free up extra horsepower. They have been a popular bolt on since the Foxbody era and they'll add a good amount of power to your modular engine.

All Steeda pulleys are SFI approved and the only pulleys on the market that have been engineered through Ford's technology transfer program. What this means for the end user is a high quality pulley that functions like an OEM part. Steeda's Mustang pulleys slow down accessory speed by 25% which results in a gain of 10-12 horsepower and torque. This is all accomplished without any adverse effects to your Mustang's alternator, water pump or battery.

Steeda's underdrive pulleys are the best in the business! They are manufactured to exceed OEM standards and they install very easily. Pick up honest horsepower, torque and even bump up your gas mileage with a set of underdrive pulleys.
Steeda Underdrive Pulleys for 96-99 Cobra & 01 Bullitt Steeda 2.8" Blower Pulley for 03-04 Cobra Steeda 3.10" Blower Pulley for 03-04 Cobra
Regular Price $252.95
Sale Price $239.95
Our Low Price $99.95
Sale Price: $83.95
Our Low Price $99.95
Sale Price: $84.95
Steeda Underdrive Pulleys 96-01 Cobra 701-0002 Steeda 2.81" Blower Pulley for 03-04 Cobra Steeda 3.10" Blower Pulley for 03-04 Cobra
Add easy horsepower and torque to your 96-99 Cobra and Bullitt edition Mustang with Steeda's underdrive pulleys. Underdrive pulleys work by slowing down the drive accessories on your Mustang's motor to free up extra horsepower. They have been a popular bolt on since the Foxbody era and they'll add a good amount of power to your modular engine.

All Steeda pulleys are SFI approved and the only pulleys on the market that have been engineered through Ford's technology transfer program. What this means for the end user is a high quality pulley that functions like an OEM part. Steeda's Mustang pulleys slow down accessory speed by 25% which results in a gain of 10-12 horsepower and torque. This is all accomplished without any adverse effects to your Mustang's alternator, water pump or battery.

Steeda's underdrive pulleys are the best in the business! They are manufactured to exceed OEM standards and they install very easily. Pick up honest horsepower, torque and even bump up your gas mileage with a set of underdrive pulleys.
These Steeda Supercharger Pulleys are made from Steel not aluminum, and have holes drilled around the center of the pulley to lower the rotational weight. This is the highest quality pulley available for the 2003-2004 Cobra. 2.81' pulley provides 4-5psi over stock. Gains of 60+ rear wheel horsepower have been achieved. Requires Shorter Belt for Proper Installation
These Steeda Supercharger Pulleys are made from Steel not aluminum, and have holes drilled around the center of the pulley to lower the rotational weight. This is the highest quality pulley available for the 2003-2004 Cobra. 3.10" pulley provides an increase of 1-2psi over stock. Gains of 25+ rear wheel horsepower have been achieved. Retains use of stock belt. There is no need to purchase an aftermarket belt.

Fits 2003-2004 Cobras
Steeda Supercharger Pulley Belt Steeda Supercharger Pulley Puller Tool for 03-04 Cobra Steeda Supercharger Pulley Puller Tool for 07-13 GT500
Our Low Price $79.95
Regular Price $184.95
Sale Price $174.95
Regular Price $169.95
Sale Price $165.95
Steeda Blower Pulley Belt Steeda Supercharger Pulley Puller Tool Shelby GT500 Pulley Puller Tool
Required for installation of 2.81" Steeda blower pulley on 03-04 Cobra Steeda Supercharger Pulley Puller Tool for 07-12 GT500.  If you are swapping to a smaller pulley on your GT500 Mustang then you'll need Steeda's pulley puller tool. Part number 555-8902 will work on changing 07-12 GT500 supercharger pulley.
Steeda Cobra Supercharger Belt Tensioner (03-04 Cobra) Steeda Heavy Duty Belt Tensioner (05-10 GT)
Regular Price $174.94
Sale Price $157.45
Regular Price $184.39
Sale Price $165.99
Steeda 555-3340 Mustang Supercharger Belt Tensioner (03-04 Cobra) Steeda Mustang Heavy Duty Belt Tensioner (05-10 GT) 555-3348
Perfect for Cobra owners that want to push out more power, Steeda’s Belt Tensioner uses factory mounting points to add another tensioner pulley, changing the angle of your belt and creating more belt wrap around the blower pulley. This means more contact area, giving you less belt slip which is perfect if you have a smaller pulley or want higher boost applications. This 100mm pulley is constructed from billet aluminum then hard coated with an anodized finish, ensuring a long life. Everything you need comes with this kit, including all hardware and the bracket to mount to engine. Get the most out of your mods with Steeda and Stangmods on your Mustang! One of the most common problems with Supercharged applications is the unwanted stress on the factory tensioner from increased belt length and tension. Steeda's Heavy Duty Belt Tensioner will stop this problem in its tracks! If your tensioner has broken because of the extra rotating mass and the weight of all the accessories, this is the perfect fix. It's made to be way stronger than the OEM unit, so you won't have to deal with this problem again!