Pro Spec M4 X 16mm Titanium Alloy Vacuum Screws Hex Socket Hollow Exhaust Bolts Cylindrical Head Fasteners Heavy Duty Hardware Designed For Tough Street Builds And Mods

Titanium Screw Bundle Optimized For Custom Exhaust Header Kits
✔️ M4 thread x 16mm length hex socket hollow bolt hardware

You will mount these titanium alloy vacuum screws to secure loose flanges without cracking cast iron components. They handle daily commute heat cycles and weekend drag strip bursts equally well. Your tuning shop gains consistent torque retention while saving precious grams off the drivetrain.

✅ High grade titanium alloy construction resists road salt corrosion
✅ Cylindrical hollow head cuts weight for faster engine spool times
✅ M4 x 16mm sizing fits standard manifold and pipe flange patterns
✅ Deep hex socket drive keeps torque steady under violent vibration

💡 Why should you pick titanium hollow head bolts for tuned exhaust manifolds
This handy upgrade delivers stable clamp force that stands up to extreme heat cycling
- Lightweight aircraft grade alloy drops rotational mass for sharper throttle feedback
- Precise M four thread pitch seals directly against factory flange designs without gasket failure
- Deep hex recess engagement stops cam tool slippage during frantic pit stops on race days

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