Recommended Parts for GFS-4003
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Go Fast Bits Lightweight Underdrive Pulley Kits for 2015-2020 WRX STI, WRX, 2008-2014 IMPREZA - 2014
Go Fast Bits Lightweight Underdrive Pulley Kits for 2015-2020 WRX STI, WRX, 2008-2014 IMPREZA - 2014
Pulley Kits, 3 Piece, Underdrive, Crank, Alternator, Power Steering Pulley, WRX/STi 2008-20, Liberty GT 2003-12, Forester XT 2009-12, Kit
Part Number: GFS-2014
Not Yet Reviewed
Estimated Ship Date: Nov 18, 2026 if ordered today
Estimated Ship Date: Nov 18, 2026 if ordered today
Subaru lightweight non-underdrive crank pulley (suits all EJ20, 22 and 25 engines)
Part Number: GFS-2009
Not Yet Reviewed
Estimated Ship Date: Nov 18, 2026 if ordered today
Estimated Ship Date: Nov 18, 2026 if ordered today
4003 upgrade kit - makes 4003 into 40024003 upgrade kit - makes 4003 into 4002
Part Number: GFS-4202
Not Yet Reviewed
Estimated Ship Date: Nov 18, 2026 if ordered today
Estimated Ship Date: Nov 18, 2026 if ordered today
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