The SPEC Stage 3 replacement clutch disc is specified for 1970–1972 Porsche 911 2.2L applications and is intended as the service disc for SP003 setups. Presented as a Stage 3 part, it serves customers rebuilding or upgrading the clutch in the classic 911 2.2L period models and is matched to the SP003 assembly designation for direct replacement when that kit is specified.
Spec 70-72 Porsche 911 2.2L Stage 3 Replacement Clutch Disc (for SP003)