ACT Heavy Duty Sprung 6-Puck Disc Clutch w/ Prolite Flywheel 2013-2021 BRZ YMM_2019_STI These premium spark plugs feature

These premium spark plugs feature a one step colder heat range

delivering both aesthetic appeal and longevity for Subaru enthusiasts seeking a performance-oriented upgrade

Its 5-inch size ensures clear visibility

supporting consistent performance and peace of mind during spirited driving or track days

ACT Heavy Duty Sprung 6-Puck Disc Clutch w/ Prolite Flywheel 2013-2021 BRZ YMM_2019_STI These premium spark plugs featureThe SB8 HDG6 kit combines ACTs Heavy Duty pressure plate with a 6 pad spring centered race disc. The diaphragm style pressure plate increases clamp load, reduces deflection, and maximizes clutch life. The 6 pad spring centered disc properly damps torsional vibrations, resists failure under harsh conditions, and allows faster, more aggressive shifts. Engagement is harsher than stock, but the disc is recommended for larger clutch sizes to better absorb