Katech LS Dual Valve Spring Replacement Seat

Katech LS Dual Valve Spring Replacement Seat

Replacement Spring Seat for Compatible LS Cylinder Heads and Dual Valve Spring Packages.

The Katech LS Dual Valve Spring Replacement Seat is designed for LS cylinder heads equipped with dual valve springs and OEM or most bronze valve guides. It provides an individual replacement option for servicing a compatible valvetrain assembly.

Features & Benefits

• Designed for Compatible LS Cylinder Heads with Dual Valve Springs
• Suitable for OEM and Most Bronze Valve Guides
• Compatible with Most Dual Valve Spring Kits When Seat Dimensions Match
• Individual Replacement Component for Valvetrain Service
• Proudly Engineered and Manufactured by Katech Engineering in Clinton Township, Michigan, USA

Technical Specifications

• Product Type: Replacement Valve Spring Seat
• Engine Application: Compatible LS Cylinder Heads
• Spring Configuration: Dual Valve Springs
• Valve Guide Compatibility: OEM and Most Bronze Guides

What's Included

• One Replacement Dual 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.

Valve Seal Compatibility

Designed for use with the following valve seal options:

• Katech Valve Seals
• GM Intake Valve Seal — 12533586
• GM Exhaust Valve Seal — 12457652

Fitment & Installation Notes

Confirm the spring seat matches the cylinder head, valve guide, seal, and dual spring package before installation. Compatibility with most dual spring kits does not establish universal fitment.

• Verify Valve Guide Boss and Spring Seat Dimensions
• Confirm Valve Seal Fit and Clearance
• Check Spring Installed Height and Spring Pressures
• Verify Coil Bind Clearance at Maximum Valve Lift
• Check Retainer-to-Seal and Retainer-to-Guide Clearance
• Inspect Related Valvetrain Components During Replacement

Why Choose Katech

A spring seat must match both the cylinder head and the spring package. Katech Technical Sales can help confirm component compatibility when servicing or assembling an LS valvetrain.

For spring seat, valve guide, and seal compatibility questions, contact .