Supertech Performance Valve Spring & Retainer Kit - R52/R53 MINI (S & JCW) | SPRK-TS1015-MC

ON SALE $701.37

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Part# SPRK-TS1015-MC

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This valve spring and retainer kit is for performance built engines that demand it.

Dual Valve Spring for Triple Groove Valves.

  • Inner Spring (OD/ID): 20mm / 15.2mm
  • Coil Bind: 20.7mm
  • Pressure (Open): 210lbs@11mm
  • Rate: 12.1lbs/mm
  • Max Net Lift: 14mm
  • Pressure (Seat): 76lbs@34.8mm
  • Outer Spring (OD/ID): 27.5mm / 20mm

Note: Always confirm part number fitment to your specific vehicle.

⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm -

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