Expand the capability of your HRB Universal Valve Spring Compressor with this billet stainless steel push cup. Precision-machined for serious engine builders, it’s designed to handle valve springs that fall outside the standard 18mm retainer size, giving you more flexibility across a wider range of engines.

Featuring a large side cutaway for easy access during collet removal and installation, this push cup makes valve service faster and less frustrating—especially on tight, high-performance heads. Built from high-strength stainless steel and available in both 16mm and 25mm configurations, it’s a simple but essential upgrade to your HRB valve spring compressor system.

Key Features:

• Precision-machined from billet stainless steel
• Available in 16mm and 25mm ID of push cup
• Large cutaway for improved access and visibility
• Compatible with HRB Universal Valve Spring Compressor and Compressor Kit
• Sold individually—ideal for expanding tool coverage across engine platforms