The SPEC aluminum flywheel is listed for 1991–1999 Nissan vehicles equipped with the SR20DET engine, providing a lightweight flywheel alternative to the factory unit. It is specified as an aluminum flywheel matched to the SR20DET platform for those model years. The product description identifies the item as an aluminum flywheel for the SR20DET engine family, serving as a direct replacement for compatible 1991–1999 Nissan applications.
Spec 91-99 Nissan SR20DET Aluminum Flywheel