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BTR LS .750" Lift Solid Roller Dual Valve Spring Kit & Titanium Retainers

$619.95 $599.95

SKU: SK427-1

BTR SPRING KIT - SOLID ROLLER LSx - .750" LIFT - SK427

When you take the plunge into a solid roller combination, taking the guesswork out of the valvetrain combination is a huge relief. For that reason, BTR is proud to introduce the SK427 valve spring kit. It is comprised of our all-new SR532 titanium retainers, PSI 427RML Springs, complete valve seal kit, and our tried and true locator options. You have the ability to purchase these with either .505"/.060" locators (standard guides) or the .565"/.60" locators (most bronze guide applications).

**These kits do not come with valve locks. These can be sourced through PAC L8141-16

Stock Guides

Using the infamous PSI DR427 RML springs allows BTR to bring the best 1.300" diameter solid roller spring kit to market! Our new SR532-16 retainers made from Ti 17 material with mini 8 lock design ensures many years of reliable use, includes locks. Your choice of .505" ID or .565" ID chromoly locators.

Spring specs:

  • PSI DR 427 RML VALVE SPRINGS
  • 1.300" outer OD
  • .898" outer ID
  • .628 inner ID
  • Polished
  • 230 lbs @ 1.850"   
  • 715 lbs @ 1.100   
  • Coil Bind @ 1.050" 
  • Max Lift .750"

Bronze Guides

Using the infamous PSI DR427 RML springs allows BTR to bring the best 1.300" diameter solid roller spring kit to market! Our new SR532-16 retainers made from Ti 17 material with mini 8 lock design ensures many years of reliable use, includes locks. Your choice of .505" ID or .565" ID chromoly locators.

Spring specs:

  • PSI DR 427 RML VALVE SPRINGS
  • 1.300 outer OD
  • .898" outer ID
  • .628 inner ID
  • Polished
  • 230 lbs @ 1.850"
  • 715 lbs @ 1.100"
  • 1.100" Coil Bind
  • .750" Max Lift

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