The SPEC Stage 3 clutch kit for 1997–1999 Porsche Boxster 2.5L is specified for use with a single-mass billet flywheel. This Stage 3 kit supplies the clutch components required to replace or modify the driveline engagement for vehicles using that flywheel type, supporting higher-duty installations where a single-mass billet flywheel is already specified by the installer or builder.
Spec 97-99 Porsche Boxster 2.5L Stage 3 Clutch Kit (Use w/ Single Mass Billet Flywheel)