Seller notes

High Performance (Race clutch hub only) features:upgrade six studs external thread adjustable pressure hub (37978-08) needs 6 individual coil springs produce evenly pressure on top pressure plateneeds 6 Nylon lock hex nut allow adjustable pressure from highest torque (Race spec) to standard till 0, (2.5 time more torque vs standard diaphragm spring). Which perform 570 to 0 pound force on clutch.(turn all 6 lock nut in till completely compressed coil springs, back turn evenly on each lock nut to ...

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