Steeda Underdrive Pulleys Mid- ' 01-' 04 GT 4.6L 356603 and viscosity loss associated with

and viscosity loss associated with premature shearing

150 micron screen filtered ports to prevent contamination

5 filter thread

80690 MegaShifter

Ford / Lincoln / Mercury / Mazda 2006-2013

Steeda Underdrive Pulleys Mid- ' 01-' 04 GT 4.6L 356603 and viscosity loss associated withSteeda is the leader in underdrive pulley design for the 4. 6L engines. Steeda was the first to achieve SFI approval on our underdrive pulleys for all 4. 6L engines. Our underdrive pulleys are the only pulleys engineered through our unique partnership in Ford's technology transfer program to have the proper torsional vibration dampening characteristics for your 4. 6L engine. No other manufacturer can make this claim. Don't be fooled by other