Katech Spec Ferrea Gen V LT1/LT4/LT5/L86 Super Alloy Exhaust Valve

Katech Spec Ferrea Gen V LT1/LT4/LT5/L86 Super Alloy Exhaust Valve

Inconel Exhaust Valve for Higher-Output and High-Duty-Cycle Gen V LT Applications.

The Katech Spec Ferrea Gen V LT1/LT4/LT5/L86 Super Alloy Exhaust Valve is designed for compatible LT1, LT4, LT5, and L86 cylinder head applications. Its Inconel super alloy construction is intended for engine combinations with demanding exhaust valve operating conditions.

Features & Benefits

• Katech-Specification Ferrea Exhaust Valve
• Inconel Super Alloy Construction
• Designed for Higher-Output and High-Duty-Cycle Applications
• 24-Degree Super Flo Design
• Radial Groove Configuration

Technical Specifications

• Product Type: Exhaust Valve
• Material: Inconel Super Alloy
• Head Diameter: 1.600 Inches
• Stem Diameter: .313 Inch
• Overall Length: 5.200 Inches
• Tip Length: .160 Inch
• Valve Weight: 95 Grams
• Design Reference: 24-Degree Super Flo, Radial Groove
• Engine Applications: Compatible Gen V LT1, LT4, LT5, and L86 Cylinder Heads

What's Included

• One Katech Spec Ferrea Gen V LT1/LT4/LT5/L86 Super Alloy Exhaust Valve

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

Engine Fitment

• GM Gen V LT1
• GM Gen V LT4
• GM Gen V LT5
• GM Gen V L86

Confirm compatibility with the cylinder head and complete valvetrain configuration. Engine designation alone does not establish that the valve can be installed without cylinder head preparation or machining.

Installation & Compatibility Notes

• Confirm Valve Seat Compatibility and Required Seat Work
• Check Valve Guide Clearance for the Selected Valve Material
• Verify Valve Lock and Retainer Compatibility with the Radial Groove Configuration
• Check Spring Installed Height and Spring Pressures
• Verify Coil Bind and Retainer-to-Seal Clearance at Maximum Valve Lift
• Check Piston-to-Valve Clearance for the Completed Engine Combination

Why Choose Katech

The Katech Spec Ferrea Gen V LT1/LT4/LT5/L86 Super Alloy Exhaust Valve provides defined dimensions and a material choice intended for demanding engine use. Selecting the valve alongside the guides, seats, and supporting valvetrain helps builders match the cylinder head package to the intended operating conditions.

For exhaust valve and cylinder head compatibility questions, contact Katech Technical Sales at 586-791-4120.