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PSYCHIC EXHAUST VALVE SPRING

SKU: ATD-128671

PSYCHIC EXHAUST VALVE SPRING XU-09537ES

SPI
$11.11
$11.11
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This is a pre order item. We will ship it when it comes in stock.

MFG Part Number: XU-09537ES

  • Forged one-piece construction to help with weight reduction & improved flow
  • Performance valves receive a swirl polish, smooth stem treatment, and are made of 21-2n/suh35ht stainless steel
  • Springs are made of swosc-v material (oil-tempered steel wire)
  • Some springs feature a progressive style design with more coils on one end of the spring
  • Progressive springs are heavier on one end and should always be installed towards the bottom
  • Non-progressive springs are paint marked and should be installed towards the top