Original: $91.18
-65%$91.18
$31.91The Story
Al Merrick's 'AM' Performance Core shaper fin.
- Performance
- Material
- Size
-
Overview
Designed by legendary shaper Al Merrick, these quad rears are made to perfectly complement the raked AM side fins. The 50/50 foil delivers smooth, longer-arc turns while maintaining exceptional stability, especially when locked into the barrel. This set strikes the ideal balance of maneuverability and directional control, making it a reliable choice for surfers chasing performance in a quad setup.
- Template developed by Al Merrick to work with the raked AM side fins
- Provides a balance of maneuverability and directional combo
- 50/50 foil promotes a longer arc turn and offers exceptional stability in the barrel
- Quad Rear (2 fins) set
Ideal Conditions
- Hollow steep waves, punchy beach breaks.
Board Types
- Designed to fit the FCS II Fin System.
- Performance boards with deep concaves and moderate-to-extreme rocker.
Fin Family
- Carver: Find Power. Powerful, drawn-out turns with added hold.

-
Performance Core
Performance Core (PC) fins are made using a multi-layered resin transfer molding process. The flex pattern in PC fins extends progressively from the base through to the tip, helping the surfer to maintain drive and hold through a turn. This versatile fin material is light, and can be used in a variety of different conditions.
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X-SMALL (Under 55Kg / 120 Lbs)
SMALL (55Kg - 70Kg / 120 - 155 Lbs)
MEDIUM (65Kg - 80Kg / 145 - 175 Lbs)
LARGE (75Kg - 90Kg / 165 - 200 Lbs)Fin Base (inches)
Base (mm)
Depth (inches)
Depth (mm)
Area (inches)
Area (mm)
Sweep Deg°
Foil
MED Q-Rear 4.10 104.1 4.26 108.0 12.64 8158 32.4° Flat LRG Q-Rear 4.10 104.1 4.26 108.0 12.64
8158 32.4° Flat
View the FCS Fin Data page for Base/Depth/Area/Foil information.
-

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Al Merrick's 'AM' Performance Core shaper fin.
- Performance
- Material
- Size
-
Overview
Designed by legendary shaper Al Merrick, these quad rears are made to perfectly complement the raked AM side fins. The 50/50 foil delivers smooth, longer-arc turns while maintaining exceptional stability, especially when locked into the barrel. This set strikes the ideal balance of maneuverability and directional control, making it a reliable choice for surfers chasing performance in a quad setup.
- Template developed by Al Merrick to work with the raked AM side fins
- Provides a balance of maneuverability and directional combo
- 50/50 foil promotes a longer arc turn and offers exceptional stability in the barrel
- Quad Rear (2 fins) set
Ideal Conditions
- Hollow steep waves, punchy beach breaks.
Board Types
- Designed to fit the FCS II Fin System.
- Performance boards with deep concaves and moderate-to-extreme rocker.
Fin Family
- Carver: Find Power. Powerful, drawn-out turns with added hold.

-
Performance Core
Performance Core (PC) fins are made using a multi-layered resin transfer molding process. The flex pattern in PC fins extends progressively from the base through to the tip, helping the surfer to maintain drive and hold through a turn. This versatile fin material is light, and can be used in a variety of different conditions.
-
X-SMALL (Under 55Kg / 120 Lbs)
SMALL (55Kg - 70Kg / 120 - 155 Lbs)
MEDIUM (65Kg - 80Kg / 145 - 175 Lbs)
LARGE (75Kg - 90Kg / 165 - 200 Lbs)Fin Base (inches)
Base (mm)
Depth (inches)
Depth (mm)
Area (inches)
Area (mm)
Sweep Deg°
Foil
MED Q-Rear 4.10 104.1 4.26 108.0 12.64 8158 32.4° Flat LRG Q-Rear 4.10 104.1 4.26 108.0 12.64
8158 32.4° Flat
View the FCS Fin Data page for Base/Depth/Area/Foil information.
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