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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
Material: Cosworth Proprietary Forged Alloy
3mm Stud | 28mm OD | Hardened & Precision CNC
Includes Stage 2 Process
Honed & Pressure Tested
🛠️ Why Use Brass Welsh Plugs
Atomic Barra On-Car Valve Spring Change Tool NEW Material: Cosworth Proprietary Forged AlloyOn Car Valve Spring Tool Original Patented Design Part No. 100704 No Head Removal Required The Atomic Valve Spring Tool is the **original Barra on car spring compressor tool** designed specifically for Ford Barra DOHC 4. 0L engines. Now refined and improved for 2026, this latest version significantly improves clearance and accessibility and features key upgrades for easier use, faster spring swaps, and better fitment all while retaining the