Stage 3 Performance Valve Springs

$190.00
Limit 3 per order

These are our recommended drop in solution for boosted 2.8-3.5 LX9 engines, and naturally aspirated LZ engines. Good for 20+ psi of boost on our stage 2 turbo cam and for LZx applications, anything NA up to .600" lift will do. Boosted LZ applications can also make use of this spring and likely handle quite a bit of boost as well.

  • 135# @ 1.800"

  • 348# @ 1.175"

  • 340# Spring Rate

  • 1.100" Coil Bind

  • Set of 12

These are our recommended drop in solution for boosted 2.8-3.5 LX9 engines, and naturally aspirated LZ engines. Good for 20+ psi of boost on our stage 2 turbo cam and for LZx applications, anything NA up to .600" lift will do. Boosted LZ applications can also make use of this spring and likely handle quite a bit of boost as well.

  • 135# @ 1.800"

  • 348# @ 1.175"

  • 340# Spring Rate

  • 1.100" Coil Bind

  • Set of 12