QualFast High Performance Springs for GM 6.6L Duramax Diesel

QualCast

$9.60 
Order No. 52-4041

QualFast High Performance Springs are manufactured by the industry-leading high performance valve spring factory using the latest materials and manufacturing processes. All QualFast springs are wound using super-clean chrome silicon or new Alpha 1 or 3 alloy wires. Engineered for high performance to give optimum lift and prevent valve float.

Specs

  • OD : 1.180"
  • ID : 0.868"
  • Closed Load : 75 @ 1.900"
  • Open Load : 150 @ 1.400"
  • Spring Type : Single
  • Coil Bind : 1.368"
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