Katech LT4 .670 Lift Beehive Spring Kit - Titanium

Introducing the Katech Premium LT4 .670 Lift Valve Spring Kit with PSI-1516ML Springs and Titanium Retainers – a high-performance solution made entirely in the USA. Elevate your engine's performance with precision engineering and top-quality materials.

Key Features:

PSI-1516ML Valve Springs:

The heart of this kit lies in the PSI-1516ML valve springs, designed for maximum durability and performance.
PSI-1511ML springs feature the innovative Max Life treatment, ensuring extended lifespan and consistent performance under demanding conditions.
Engineered to meet the highest standards, these valve springs provide optimal valve control and reliability.

Katech Titanium Retainers:

Complementing the PSI-1516ML springs are the Katech Titanium retainers, known for their unprecedented lightweight design and strength.
Crafted from premium H13 tool steel, these retainers offer the lowest weight possible leading to superior valve control in high RPM environments.
Precision machined to exact specifications, the Titanium retainers are lightest retainers Katech offers and contribute to enhanced valve stability and overall engine efficiency.

Made in the USA:

We take pride in the fact that every component of this valve spring kit is made in the United States, adhering to the highest quality standards.
By choosing Katech, you are not only investing in superior performance and exceptional durability but also supporting American craftsmanship.


This kit includes:

PSI-1516ML - Valve Springs - Qty:16
KAT-6928 - Titanium Intake Retainers - Qty:8
KAT-4678 - Titanium Exhaust Retainers - Qty:8
KAT-6924 - Steel Intake Spring Locator - Qty:8
KAT-6931 - Steel Exhaust Spring Locator - Qty:8
KAT-7481 - Viton Valve Seal - Qty:16

Spring specs:
150 lbs @ 1.800"
420 lbs @ 1.140"
Coil bind @ 1.080"

This is a drop-in kit for all Gen-V LT4 heads.

Requires use of OEM GM valve locks.