Description

Proflow's High Performance valve springs for the LS Engine. When you upgrade the cam, you need to upgrade valve springs to match.  Micro-engineered surface finish for maximum durability, Multilayer fatigue enhancement, eliminating potential surface defects and prolonging spring life, Proprietary heat-treat process for added strength and optimized residual stress, Beehive and conical spring geometries, reducing dynamic surges for exceptional valvetrain harmonics

  • Valve Springs Series: Performance Valve Springs
  • Number Of Coils: Single Spring
  • Damper Spring: No
  • Overall Diameter: 1.030, 1.286 in.
  • Inside Diameter: 0.650 0.918 in.
  • Seat Pressure: 135 lbs. @ 1.800 in.
  • Open Pressure: 410 lbs. @ 1.170 in.
  • Coil Bind: 1.170 in.
  • Spring Rate (lbs./in.): 410 lbs/in.
  • Quantity: Sold As Set (16/pkg)

Specifications

Proflow's High Performance valve springs for the LS Engine. When you upgrade the cam, you need to upgrade valve springs to match.  Micro-engineered surface finish for maximum durability, Multilayer fatigue enhancement, eliminating potential surface defects and prolonging spring life, Proprietary heat-treat process for added strength and optimized residual stress, Beehive and conical spring geometries, reducing dynamic surges for exceptional valvetrain harmonics

  • Valve Springs Series: Performance Valve Springs
  • Number Of Coils: Single Spring
  • Damper Spring: No
  • Overall Diameter: 1.030, 1.286 in.
  • Inside Diameter: 0.650 0.918 in.
  • Seat Pressure: 135 lbs. @ 1.800 in.
  • Open Pressure: 410 lbs. @ 1.170 in.
  • Coil Bind: 1.170 in.
  • Spring Rate (lbs./in.): 410 lbs/in.
  • Quantity: Sold As Set (16/pkg)

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