The Serpent 6586 Centax Coil Spring is ideal for fine-tuning clutch engagement on 720-09 200mm GP classic cars. At 1.7mm diameter it matches 2.1cc and 2.5cc engines to deliver repeatable engagement for maintenance and performance adjustments.
Serpent 6586 slips into Centax clutch assemblies across different revisions and gives consistent operation. It supports common .12 and .15 engine configurations used in classic GP racing.
To increase engagement firmness, the SP-909520 harder spring is available as an upgrade. Changing springs is a simple method to alter the clutch response to suit circuit demands.
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