NEW - UNDRILLED

The ball in the Pictures represent the specs of the ball being sold in this listing.  

The specs for the one being sold are as follows:

Undrilled Total Weight - 15 pound 3 Ounces

Top Weight - 3.14

PIN Placement / Length - 3.0 - 3.5

STORM - CONCEPT

The SPI LAB Series presents the Concept, a bold new approach to building core and cover combinations designed specifically for demanding lane conditions. Rather than relying on the core to create motion, the Concept flips the script by letting the ARC Cover do the heavy lifting. Featuring extremely high coefficients of friction and oil absorption levels that push the upper limits set by the USBC, this coverstock serves as both the power source and the gripping surface. The Radius Weight Block plays a supporting role, acting like traction control to keep the ball stable and on target as it drives toward the pocket.

With an exceptionally strong cover and a very mild RG and differential design, the Concept resists the tendency to roll forward or “lock up” too early. Despite its low differential, advanced cover technology prevents excessive oil carrydown, a common issue with traditional urethane balls. Instead, the Concept maintains continuous motion and strong hook through the pins. In 14–16 lb. weights, the ball is constructed as a two-piece design with a thick resin shell, increasing the coefficient of restitution (COR) for enhanced energy transfer and more dynamic pin action.

Here's what Storm has to say about the Concept:

The SPI LAB Series introduces the Concept, our next innovative release that reverses the narrative on how core/cover combinations are developed for challenging patterns. The ARC Cover has the highest coefficient of friction (COF) values and is right at the USBC limit on oil absorption time. With the Concept the coverstock acts as both the engine and the tires, while the Radius Weight Block behaves as the traction control - making sure the ball stays on-line to find the pocket. Since the coverstock is so strong and the weight block is very conservative in terms of RG/Diff, the Concept never wants to "lock up" or go forward down the lane. Even though the diff is very low, the cover technology ensures the ball does not carry oil down the lane as urethane is known to do. The cover forces the ball to continue hooking through the pins. The Concept, in the 14 - 16 pound weights, is a two-piece ball with a thick resin shell. The thicker shell raises the coefficient of restitution (COR) which has been shown to create more lively pin action.

Brand	Storm
Perfect Scale Hook Rating	205.9	RG	2.61
Finish	Matte	Ball Color	Teal/Imperial Blue
Lane Condition	Medium-Dry	Coverstock	Pearl Reactive
Ball Quality	First Quality	Ball Warranty	1 Year
Factory Finish	1000 grit Abralon	Coverstock Name	ARC Pearl Reactive
Core Name	Radius Weight Block	Differential	.020
Flare Potential	Low	Fragrance	Blueberry Fritter
Core Type	Symmetric	Performance	High Performance[8]
Storm Product Line	Lab	Release Date	2/27/2026

Ball will be shipped used the standard 2 box process to protect the ball.

**** MAKE ME AN OFFER IF YOU WISH ****

**** All Reasonable Offers Will Be Accepted ****

May ship Standard USPS or UPS Ground

Double Box Shipping

BRUN8083-2060-000VAP