My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

COMP Cams 26906CS-KIT LS6+ Beehive Valve Spring Kit with Chromoly Retainers 0.580" Lift

Manufacturer

Part Number

26906CS-KIT
Sale Price

$298.95

In Stock (10)

delivery box

Usually delivered within 2 days

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The COMP Cams 26906CS-KIT is a high-performance beehive valve spring kit designed for LS6 and upgraded LS engine applications. This complete kit provides enhanced valve train control for modified camshafts with lift up to 0.580 inches, making it an ideal upgrade for street performance and mild racing builds.

Key Features:

  • Beehive spring design reduces valve train mass and friction for improved high-RPM stability
  • Maximum valve lift rating of 0.580 inches accommodates aggressive cam profiles
  • Chromoly steel retainers provide exceptional strength while minimizing weight
  • Direct replacement for stock LS6 valve springs with improved performance characteristics
  • Complete kit includes springs, retainers, and valve locks for a full valve train refresh
  • Dual spring design delivers consistent seat pressure and open pressure for reliable valve control

This kit is engineered to prevent valve float and maintain positive valve control at higher engine speeds, making it essential when upgrading to performance camshafts. The beehive spring configuration naturally dampens harmonics while the reduced retainer mass allows for higher RPM operation without sacrificing durability. Compatible with stock valve stem diameter and standard LS valve geometry.

Products specifications

Retainer Material

Chromemoly steel

Locator Inner Diameter

0.510

Locator Outer Diameter

1.300

Seat Height

1.800

Compatible Shims

4753

Seat Pressure

92

Valve Seal Type

Steel Jacketed Viton

Locator Thickness

0.0600

Max Lift

0.580

Valve Seal Outer Diameter

0.600

Spring Top Inside Diameter

0.655

Spring Bottom Inside Diameter

0.860

Spring Top Outside Diameter

1.077

Coil Bind Height

1.181

Spring Bottom Outside Diameter

1.282

Valve Spring Type

Beehive

Engine Fitment

GM LS Cathedral and Rectangle Port Applications

Includes Locks

Yes

Includes Retainers

Yes

Includes Spring Seats

Yes

Includes Valve Seals

Yes

Prop 65

WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?

Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for On-Road Vehicles?

Yes

C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?

Yes, but must be a race/competition only vehicle.

C.A.R.B. Exemption Reason

No impact on pollution output of vehicle.

C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?

Yes, but must meet tailpipe emission standards for year of vehicle.

C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?

Yes, but must meet tailpipe emission standards for year of vehicle.

He is risen. The King: Jesus the Christ.

Alsome

A+++++++ Seller

Flawless transaction. Shipping time smoked amazon! Would not hesitate to purchase again from autoplicity.

I was very pleased with the product and delivery time!

Y’all had what I needed thanks

Great service. Super fast shipping. Item was as ordered.

great selections, great value, easy site to navigate

OEM part for my truck shell

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy