Description
Superstock Clutch Upgrade Kit
DMS-8534 – Contact Us For Pricing, Availability and Install
sales@irozmotorsport.com
Fitment: All BMW M240 (G42) M340 (G20) & Toyota Supra MKV (A90)
8HP51 Transmissions
High-performance friction material and precision-manufactured steel discs.
Separator springs added to the hard-working C & E clutches minimize hub chatter, especially when paired with our hard anodized hubs. These springs reduce drag and improve crossover performance, eliminating the usual downsides associated with increased plate counts such as jerky behavior, multiple learning attempts, or chattery take-off performance.
Clutch A – 5 Plates (+0)
Clutch B – 5 Plates (+0)
Clutch C – 9 Plates (+3)
Clutch D – 5 Plates (+1)
Clutch E – 9 Plates (+3)
Superstock up to 900HP (Must upgrade E hub over 750HP)






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