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The ALTA lightened crank pulley is a direct‑fit replacement for Mini Cooper S/JCW R53 models, including 2002–2006 Coupe and 2002–2008 Convertible applications, offering a modest reduction in rotating mass. This lightened pulley is supplied as a wheel‑side upgrade intended to retain OEM fitment while trimming rotating inertia by a small percentage to subtly affect throttle response in tuned applications.
ALTA 02-06 Mini Cooper S/JCW & 02-08 S/JCW Convertible R53 Lightened Crank Pulley 2%+
