Katech Extreme Duty H13 Tool Steel Dual Valve Spring Replacement Retainer

Katech Extreme Duty H13 Tool Steel Dual Valve Spring Replacement Retainer

Individual Hardened H13 Tool Steel Retainer for Compatible PSI Dual Valve Spring Packages.

The Katech Extreme Duty H13 Tool Steel Dual Valve Spring Replacement Retainer is engineered and manufactured by Katech Engineering in Clinton Township, Michigan, USA. Designed for PSI-LS1512 and PSI-LS1513 dual valve springs, its hardened H13 tool steel construction provides increased long-term wear resistance compared with titanium retainers in evaluated Katech camshaft packages.

Sold Individually. Each purchase includes one Katech Extreme Duty H13 Tool Steel Dual Valve Spring Replacement Retainer.

Katech developed this retainer on its Spintron valvetrain dynamics test cell for demanding racing conditions. Steel valve springs can wear into titanium retainer contact surfaces over time; this H13 tool steel design provides an alternative where spring-contact wear and service life are important considerations.

The design was validated for valvetrain stability up to 8,100 RPM in tested combinations and evaluated for durability using Katech's 24 Hours of Daytona course simulation. These results apply to the evaluated packages and do not establish a universal engine RPM limit.

Features & Benefits

• Individual Replacement Retainer for Compatible Dual Valve Spring Packages
• Hardened H13 Tool Steel Construction
• Designed for PSI-LS1512 and PSI-LS1513 Dual Valve Springs
• Developed Using Katech's Spintron Valvetrain Dynamics Test Cell
• Increased Long-Term Wear Resistance Compared with Titanium Retainers in Evaluated Katech Packages
• Validated for Valvetrain Stability up to 8,100 RPM in Tested Combinations
• Durability Evaluated Using Katech's 24 Hours of Daytona Course Simulation
• 9.1-Gram Weight per Retainer
• Sold Individually for Replacement Applications
• Proudly Engineered and Manufactured by Katech Engineering in Clinton Township, Michigan, USA

Technical Specifications

• Product Type: Replacement Dual Valve Spring Retainer
• Quantity: One Retainer; Sold Individually
• Material: Hardened H13 Tool Steel
• Compatible Valve Springs: PSI-LS1512 and PSI-LS1513 Dual Springs
• Retainer Weight: 9.1 Grams
• Stability Validation: Up to 8,100 RPM in Katech's Tested Valvetrain Combinations
• Durability Evaluation: Katech 24 Hours of Daytona Course Simulation

What's Included

• One Replacement Retainer

Retainer Weight Comparison

• Referenced OEM Retainer: 11.4 Grams
• Referenced Katech Titanium Retainer: 5.0 Grams
• Katech H13 Tool Steel Retainer: 9.1 Grams

The H13 tool steel retainer is lighter than the referenced OEM retainer and heavier than the referenced Katech titanium retainer.

Valve Spring Compatibility

• PSI-LS1512 Dual Valve Springs
• PSI-LS1513 Dual Valve Springs

For replacement use, confirm that the retainer matches the existing valvetrain package. Verify valve stem, valve lock, spring, and installed-height compatibility before installation.

Important Installation Notes

• Confirm That the Replacement Matches the Existing Retainer Configuration
• Use with the Specified Compatible Dual Valve Springs
• Inspect the Valve Spring and Locks for Wear or Damage During Replacement
• Verify Valve Lock and Valve Stem Compatibility
• Check Spring Installed Height and Spring Pressures
• Verify Coil Bind and Retainer-to-Seal Clearance at Maximum Valve Lift
• Match the Complete Valvetrain to the Camshaft and Intended Operating Range
• Inspect Retainers and Related Components at Appropriate Service Intervals

Why Choose Katech

The Katech Extreme Duty H13 Tool Steel Dual Valve Spring Replacement Retainer allows an individual component to be purchased for servicing a compatible valvetrain package. Its development focused on the balance between retainer weight and spring-contact wear resistance under demanding racing conditions.

Katech's Spintron testing and Daytona course simulation evaluated the design as part of complete valvetrain combinations, helping guide its application alongside the specified PSI dual springs.

For replacement selection and valvetrain compatibility questions, contact Katech Technical Sales at 586-791-4120.