The Serpent 600899 Clutch Shoe and Springs Set equips 811 and SRX8 racers with parts to adjust clutch behaviour precisely. The combination of yellow composite and aluminum shoes plus two spring tensions supports a range of setup choices for different tracks.
This kit contains two 4-pin springs at 0.9mm and two at 0.95mm so you can alter engagement stiffness. It also includes two yellow 4-pin clutch shoes and two aluminum 6061 shoes to balance smooth engagement with robust performance. Swap springs and shoes to match surface grip and motor torque for consistent launches.
A sensible parts kit for drivers seeking repeatable engagement and straightforward tuning options at events.
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