.660" Lift Dual Spring Kit w/ Tool Steel Retainers for GM LS

COMP Cams® .660” Lift Dual Valve Spring Kits for GM LS applications include everything needed to install dual springs onto LS street/strip engines with no machine work required.
In stock
$536.36 $595.95
  Dual Spring Kit
   .660" Max Lift


  • 26925-16 Street/Strip Dual Springs 1717-16 Lightweight Tool Steel Retainers 623-16 7° Steel Valve Locks 511-16 Valve Seals 4705-16 Spring Seats

This Dual Valve Spring Kit for LS engines includes carefully matched Dual Valve Springs, tool steel retainers, locks, seals and spring seats. With a .660" maximum lift, these COMP Cams® Dual Valve Springs for race applications are manufactured from Super Clean™ wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability, no matter the application. The dual spring design creates a stronger valve spring that can easily handle the increased lift found in extreme stress applications. COMP Cams® Dual Valve Springs exceed the expectations of today’s engine builders and racers.

Max Lift: 0.68
Installed Height: 1.81
Coil Bind Height: 1.07
O.D. of Outer: 1.32
I.D. of Inner: 0.68
I.D. of Outer: 0.958
Spring Style: Dual
Spring Rate: 400
Spring Part #: 26925-16
Seat Pressure: 141
Retainer Material: Tool Steel
Retainers Part #: 1717-16
Valve Locks Part #: 623-16
Valve Lock Type: 7° Steel
Spring Seats Type: I.D. Locator
Spring Seats Part #: 4695-16
Valve Seals Part #: 511-16
Valve Seals Type: Steel Jacketed Viton