• Cusco [02-14 WRX, 04-21 WRX STI, 05-09 Legacy GT] Aluminum Pulley Set
  • Cusco [02-14 WRX, 04-21 WRX STI, 05-09 Legacy GT] Aluminum Pulley Set

Cusco

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Aluminum Pulley Set

Fits: 02-14 WRX, 04-21 WRX STI, 05-09 Legacy GT

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Pay over time available · Est. $15.19/payment
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Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

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Cusco Aluminum Pulley Set
Fits: 02-14 WRX, 04-21 WRX STI, 05-09 Legacy GT
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Fitment

Please Note: Part number: 6A1-733-A For EJ-series engines; set includes crank pulley and alternator pulley Crank pulley weighs 790 g vs 2.3 kg for the factory pulley; alternator pulley weighs 76 g vs 300 g for the factory pulley
  • 2005-2009 Subaru | Legacy GT
  • 2002–2014 Subaru | WRX
  • 2004–2021 Subaru | WRX STI

Description

This Cusco pulley set cuts rotating mass at the crank and alternator, which reduces the load the engine spends turning its own pulleys and sharpens throttle response. Both pulleys are lightweight aluminum finished in Cusco blue.

  • Part number: 6A1-733-A
  • Includes crank pulley and alternator pulley, stock pulley ratio
  • Crank pulley: 790 g (factory: 2.3 kg)
  • Alternator pulley: 76 g (factory: 300 g)
  • Material: Aluminum, Cusco blue finish
  • Estimated installation time: about 2 hours

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