Katech LS .650 Lift Beehive Valve Spring Kit with Titanium Retainers

Katech LS .650 Lift Beehive Valve Spring Kit with Titanium Retainers

PSI Max Life Beehive Springs with Lightweight Titanium Retainers for Compatible LS Cylinder Heads.

The Katech LS .650 Lift Beehive Valve Spring Kit with Titanium Retainers combines PSI-1511ML valve springs, Katech titanium retainers, steel spring locators, and Viton valve seals. It is designed as a drop-in spring package for most compatible 15-degree LS cylinder heads and LS7 heads.

The springs feature PSI's Max Life treatment, while the titanium retainers provide a lightweight option for the completed valvetrain. All kit components are made in the USA.

Features & Benefits

• PSI-1511ML Beehive Valve Springs with Max Life Treatment
• Lightweight Katech Titanium Retainers
• Steel Spring Locators
• Viton Valve Seals
• Designed for Most Compatible 15-Degree LS Heads and LS7 Heads
• All Kit Components Made in the USA

Technical Specifications

• Product Type: Beehive Valve Spring Kit
• Spring Model: PSI-1511ML
• Listed Valve Lift: .650 Inch
• Spring Pressure at 1.800-Inch Height: 130 LBS
• Spring Pressure at 1.150-Inch Height: 380 LBS
• Coil Bind Height: 1.100 Inches
• Retainer Material: Titanium
• Locator Material: Steel
• Valve Seal Material: Viton

What's Included

• Sixteen PSI-1511ML Beehive Valve Springs
• Sixteen Katech LS/LT1/L83/LT4 Titanium Valve Spring Retainers
• Sixteen Katech Steel Spring Locators
• Sixteen Katech Viton Valve Seals

Valve locks are not included. This kit requires compatible OEM GM valve locks.

Engine & Cylinder Head Fitment

• Most Compatible GM LS Cylinder Heads with a 15-Degree Valve Angle
• Compatible GM LS7 Cylinder Heads

Exclusion: This kit does not fit LS9 cylinder heads.

Confirm valve dimensions, guide configuration, and installed height before ordering. Aftermarket heads or modified valve arrangements may require a different component combination.

Titanium or Tool Steel Retainers?

Katech recommends titanium retainers for drag racing. For street, road racing, and endurance applications, Katech recommends the appropriate tool steel retainer package instead.

Installation & Compatibility Notes

• Use Compatible OEM GM Valve Locks
• Inspect Existing Valve Locks for Wear or Damage
• Verify Spring Locator and Valve Seal Fit
• Measure Installed Height at Each Valve
• Check Spring Pressures Against the Camshaft Requirements
• Verify Coil Bind Clearance at Actual Maximum Valve Lift
• Check Retainer-to-Seal and Retainer-to-Guide Clearance
• Verify Piston-to-Valve Clearance for the Completed Engine Combination

The .650-inch lift designation does not establish clearance for every installation. Actual usable lift depends on installed height, coil bind clearance, and the complete valvetrain configuration.

Why Choose Katech

The Katech LS .650 Lift Beehive Valve Spring Kit with Titanium Retainers brings the springs, retainers, locators, and seals together for a compatible cylinder head pair. Published spring pressures and coil bind height help builders evaluate the package against their camshaft and installation requirements.

For cylinder head, camshaft, and retainer selection questions, contact .