5.4" Big Boy Thruster Fins – Black Pro Glass, Futures compatible

The 5.4" Big Boy Thruster Fins are designed to deliver maximum drive, strong rail hold, and dependable stability, making them ideal for larger surfers and boards that require extra control.

Built from solid Pro Glass fiberglass, these fins provide a powerful, connected feel with predictable flex and strong projection through turns.

Futures compatible for secure installation and consistent performance.

Larger thruster fins generate more drive and stability, helping surfers maintain speed and control through powerful turns.

The Big Boy template provides:

• Strong projection down the line

• Increased rail hold

• Powerful bottom turns

• Stable high-speed control

• Reliable performance in stronger surf

These fins are ideal when standard thruster sizes feel too small or underpowered.

Learn more:

Big Boy Thruster Fins Guide

Thruster Fin Size Guide

Specifications

Depth 5.4” Base 4.6” Foil: Side fins flat inner face, Centre fin 50/50 Futures compatible tab size: Side fins 3/4” Centre fin 1/2”

Material

Solid Pro Glass fiberglass
Black finish

Compatibility

Futures compatible

Learn more:

Surfboard Fin Compatibility Explained

Futures™ is a registered trademark of Futures Fins. Eveley Surf is not affiliated with or endorsed by Futures Fins. All compatibility references to Futures Fins are for descriptive purposes only.