STK Performance Retainer Chromoly Nissan A14/A15

Product Overview

High-performance valve spring retainers manufactured from 4130 Chromoly Steel. Precision-machined for perfect fitment with STK valve spring kits. Lightweight design reduces valvetrain mass for improved high-RPM performance.

What's Included

Chromoly valve spring retainers for Nissan A14/A15 engines

Material Specifications

Material: 4130 Chromoly Valve Stem Size: 7mm Finish: Precision-machined

Key Benefits

• Lightweight with exceptional strength
• Reduced mass versus typical OE stamped steel
• Improved valvetrain stability at high RPM
• Long-term durability under extreme load

Application

Designed for Nissan A14/A15 engines. Compatible with STK valve spring kits.

Installation Notes

Professional installation recommended. Ensure correct valve stem size compatibility.