The cylinder head designed to prolong gearbox shell life and provide the perfect seal to achieve best results.
The shock-absorbing bumper noticeably increases gearbox life and limits the wear of the piston head.
Thanks to high-quality aircraft-grade aluminum CNC machining, the Protector Cylinder Head guarantees a precise fit and high tolerances between the nozzle and its guide.

Features:

Designed especially for standard and high-performance builds
Two shock absorbing bumpers of different hardness, prolonging gearbox shell life
Ultra-high quality of aircraft-grade aluminum CNC machining
Precise fitting with the nozzle eliminating the mid-cap syndrome
High tolerances between the nozzle and its guide
No limits in spring power
No AEG modification required
Dedicated especially to pros and skilled users

Compatibility:

All standard AEG cylinders
All standard AEG piston heads
All standard O-rings

Kit contents:

PROTECTOR Cylinder Head – Aluminum
2 shock absorbing bumpers of varied hardness: 40°ShA & 60°ShA
2 o-rings
QR Code containing QuickStart Guide

Please note that due to different screen settings and light conditions, the color of the products in the pictures may be slightly different than the actual item. Color differences may also occur between different batches of the product.

Revision 3:

Enlarged the head centering openings along the axis-increased compatibility with gearbox shells.
Increased the width of the tappet plate—enhancing compatibility with other manufacturers' tappet plates.
Increased the diameter of the bumper, which reduces the amount of air lost during compression.
Increased the chamfer going into the cylinder head tube, resulting in faster and more orderly air flow.

June 2026

Gate EON Protector CNC Cylinder Head - Violet