Installing freeze plugs correctly is crucial to building a reliable engine — and the HRB RB Freeze Plug Punch is designed specifically to make that process easy and consistent on NISSAN RB engines. Developed in our own engine workshop, this tool eliminates the guesswork and risk of damaging plugs during installation.

Precision-machined for use with two common RB frost plug sizes, it ensures a clean, square, and secure fit every time, helping maintain coolant system integrity under extreme conditions.

Compatible with all NISSAN RB20, RB25, RB26 and RB30 engine platforms.

Key Features:

• Machined from billet 4140 steel for maximum durability
• Fits 22mm and 30mm plugs
• Black oxide coated for corrosion resistance
• Reversible head design to suit 22mm and 30mm frost plugs
• Optimised size for accurate and consistent plug installation

Why Choose the HRB RB Freeze Plug Punch?

Incorrect frost plug installation can lead to coolant leaks and engine failure — problems no builder wants to risk. The HRB Freeze Plug Punch is a precision-engineered solution, designed to make frost plug installation faster, more reliable, and damage-free. Whether you’re assembling a race-prepped RB26DETT or refreshing a street-driven RB25DET, this tool ensures your build is done right the first time.

Perfect for high-performance NISSAN RB engines used in street builds, drifting, time attack, and circuit racing. HRB professional engine building tools deliver the precision, durability, and confidence that serious engine builders and enthusiasts demand.

This tool is included in our: RB Engine Build Kit