not Imitation

SME 0.650" Lift LS Dual Valve Spring Kits

Valve Springs

<< Back

SME 0.650" Lift LS Dual Valve Spring Kits

SME 0.650" lift ls dual valve spring package

STEVE MORRIS ENGINES is pleased to offer you this all-inclusive LS Dual Valve Spring Package for your GM LS engine platform!  This specific kit is available a few different ways, so call or email if you aren't sure which one you need for your specific application!  All springs are manufactured using the highest-quality materials, shot-peened, and tested throughout the manufacturing process.

*NOTE: This kit will not work properly with stock LS9 heads and valves, You would need new valves from us, call for more information.


  • (16) SME dual LS valve springs - 150# @1.800" / 417# @ 1.150" - no dampener, 1.050" coil bind height
  • (16) Choice of tool steel or Titanium retainers - 7*
  • (16) tool steel locators - Verify your valve guide diameter (stock GM is 0.505" dia guides) or aftermarket heads
  • (32) valve locks
  • (16) viton valve seals

** This is the same valve spring kit we used in this engine:

*Shown with Optional Titanium Retainers*

Part #: 1456

Price: $319.99
Sale Price: $242.00
Valve Guide Type?:

Product Q & A