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the added inertial mass makes gear changing effort noticeably lower whilst speeding up the throw at the same time
Using a large tube and fin stepped core
Fits: J30A4
Part #: nrgSRK-200SSL
Spool Performance 8HP45 / 8HP50 / 8HP51 upgraded billet 7075-T6 D Clutch Drum 2025+ the added inertial mass makesSpool Performance 8HP45 8HP50 8HP51 upgraded billet 7075 T6 D Clutch Drum The factory A380 cast aluminum D drum in the ZF 8HP45 50 51 is one of the weak links once power levels riseprone to cracking, distortion, and oil starvation under high load and high RPM clutch events. Spool Performance eliminates that limitation with a fully CNC machined billet 7075 T6 D Clutch Drum, engineered for extreme durability and precise hydraulic control in high
