Product Description

  • This very popular Spring Kit is highly recommended when upgrading to a aftermarket Camshaft
  • .660" Lift dual spring kit for LS engines using stock rocker arms.
  • Included dual polished springs, matching Steel Retainers, locators for stock guides, locks and seals.
  • Spring specs are 155 lbs @ 1.780", 380 lbs @ 1.180", 400 lbs @ 1.130, coil bind @ 1.070" This is a drop in spring kit for all 15 degree LS heads including LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA.
 

Kit includes dual polished springs, locks, chromoly steel retainers and locators for stock guides.

Valve seals spring specs :

 

  • 155 lbs at 1.780"
  • 380 lbs at 1.180"
  • 400 lbs at 1.130"
  • Coil bind at 1.070"

 

Key Specifications

Valve Spring Style Standard
Maximum Lift .660"
Coil Bind Height 1.070"
Damper Spring Included Yes
Outer Spring O.D. 1.306"
Material Type Chromoly
Sold in Quantity Kit
Notes For use with factory valve guides. Retainers are 0.060 in. thick. Includes black/brown valve stem seals.
Number of Springs Per Valve Dual
Retainers Included Yes
Locks Included Yes
Lock Style 7 Degree
Groove Count 1
Lock Material Steel
Valve Stem Diameter .315"
Valve Stem Seals Included Yes