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

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.

Parts included:

(16) SR532 titanium retainers

(16) PSI-DR427R ML valve springs

(16) VS LS valve seals

(32) VLM8-8MM-1 valve locks

(16) SLS128-1 locators (stock guides) OR (16) SLS138-1 locators (bronze guides)

Spring specs:

Type: Dual
Spring OD: 1.300″
Inner ID: .628″
Seat: 230 lbs @ 1.850″
Open: 715 lbs @ 1.100″
Recommended Lift: .750″

NOTE: Please check valve guide clearance if you exceed .650 - .660 lift. 

 
*Due to design of retainer & valve lock, these components must be used as a set are cannot be mix/matched with other manufacturer's components.