Ya'll better claim yer’s before some other varmint gets yer gold.

Strike Gold with this Limited Edition Prospect!

Adrenaline™ Gold Rush

Limited Edition High Performance

We’re only making 490 of these thar Gold Rush Editions for the International folks, and another 49 for all you U.S. critters. They feature a larger core size for more of ‘dem ball dynamics, so ya’ll better claim yer’s before some other varmint gets yer gold.

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Features + Details

The Adrenaline™ Gold Rush is a numbered, Limited Edition release. Look for the unique production number engraved on each ball.

Ball Motion

A lower Rg allows this power pearl to start digging in earlier than the original Adrenaline™, while the pearl cover makes sure that there is still a motherload of energy to plow through the pins on medium, or heavier, lane conditions.

Posi-Traxx™ Pearl Reactive
Posi-Traxx™ Pearl Reactive

This evolution of our most versatile coverstock starts to deliver a smooth, powerful transition soon after clearing the heads, then continually builds without ever becoming a typical skid-flip type pearl.


The power of the original GC-90™ core has been kicked up a notch by increasing the body density, then enlarging the ball wrap. This change effectively lowered the Rg by moving more mass to the center without sacrificing any other core dynamics.

Specs + Tech

Color Gold Nugget
Coverstock Posi-Traxx™ Pearl Reactive
Finish 500 / 1000 / 2000 / Polish
Durometer 73-75 Rex D-Scale
Lane Conditions Medium to Med-Heavy
Available Weights 13-16 lbs.
Release Date 03/30/2015 - USA / Korea
Weight Block GC-90XL™
Block Type Mild Asymmetric
Flare Potential 6+" (high)
Weight 16 15 14 13
Rg 2.47 2.48 2.49 2.52
Differential 0.053 0.051 0.052 0.049
Mass Bias 0.007 0.006 0.005 0.005

Images + Downloads