Optimize your engine’s performance with Hardened Valve Spring Shims designed for precise spring height adjustment. These high-quality shims ensure proper spring installation and protect your cylinder heads from damage caused by high-pressure valve springs. Perfect for Porsche restoration and EMPI performance engines, these .030" shims are an essential upgrade for any serious engine builder. Key Features: Durable Hardened Steel: Built to withstand extreme conditions, offering a stable seat for high-pressure springs and preventing wear on the cylinder head. .030" Thickness: Provides accurate spring height adjustment, ensuring optimal valve function for high-performance engines. Prevents Damage: Protects against spring cutting into the heads, enhancing engine longevity. Pack of 8: Includes 8 shims, perfect for full engine builds or replacements.
