Katech LS OEM Guide .040 Valve Spring Replacement Seat
  • Katech LS OEM Guide .040 Valve Spring Replacement Seat
  • Katech LS OEM Guide .040 Valve Spring Replacement Seat
Katech LS OEM Guide .040 Valve Spring Replacement Seat
Katech

Katech LS OEM Guide .040 Valve Spring Replacement Seat

Part # KAT-6749
$8.99
In stockReady to ship.
Katech LS OEM Guide .040 Valve Spring Replacement Seat
Katech LS OEM Guide .040 Valve Spring Replacement Seat
$8.99

Katech LS OEM Guide .040 Valve Spring Replacement Seat

Spring Seat for Compatible LS OEM Valve Guides and PSI Beehive Valve Springs.

The Katech LS OEM Guide .040 Valve Spring Replacement Seat is designed for compatible LS cylinder heads using OEM valve guides and PSI beehive valve springs. Its .040-inch thickness must be accounted for when setting spring installed height.

Features & Benefits

  • Designed for Compatible LS OEM Valve Guide Applications
  • Fits Compatible PSI Beehive Valve Springs
  • .040-Inch Thickness
  • Individual Replacement Component for Valvetrain Service
  • Proudly Engineered and Manufactured by Katech Engineering in Clinton Township, Michigan, USA

Proudly Made in America

Technical Specifications

  • Product Type: Replacement Valve Spring Seat
  • Engine Application: Compatible LS Cylinder Heads
  • Valve Guide Application: OEM Guides
  • Spring Compatibility: Compatible PSI Beehive Valve Springs
  • Thickness: .040 Inch

What's Included

  • One Replacement Valve Spring Seat — Sold Individually

Valve springs, valve guides, valve seals, retainers, and valve locks are not included.

Installation Quantity: Sixteen seats are required for a complete compatible sixteen-valve installation.

Fitment & Installation Notes

Confirm the specific PSI spring model and verify that the seat matches the cylinder head and OEM valve guide configuration before installation.

  • Verify Valve Guide Boss and Spring Seat Dimensions
  • Account for Seat Thickness When Measuring Spring Installed Height
  • Check Spring Pressures at the Measured Installed Height
  • Confirm Valve Seal Fit and Clearance
  • Verify Coil Bind Clearance at Maximum Valve Lift
  • Check Retainer-to-Seal and Retainer-to-Guide Clearance

Why Choose Katech

Correct spring setup begins with components matched to the cylinder head and valvetrain. Katech manufactures these seats in Michigan and provides technical guidance to help builders select the appropriate configuration.

For valve guide and PSI spring compatibility questions, contact .

Prop 65 Warning

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