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Roto Grip Illusion Pro Pin 
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Illusion Pro Pin Specs

Product ID 6131 Brand Roto Grip
Perfect Scale 179.2 RG 2.53
Finish Polished Lane Condition Medium-Heavy
Coverstock Reactive Resin Ball Quality First Quality
Factory Finish 2000 Abralon Coverstock Name Ultimate Visionâ„¢ Pearl Reactive
Core Name Helios IIâ„¢ Core Differential 0.041
Durometer 75 - 78 Rex D-scale Flare Potential 4 - 5" (Med)
Performance Advanced Performance[6] Release Date 11/09/2007
Originally Sold For: $109.99
Originally reserved for the Epicâ„¢ series only, the Ultimate Visionâ„¢ Pearl Reactive coverstock is the best match for most house patterns and gives the Illusionâ„¢ super versatility on a wide variety of conditions. Combine that with the new, higher RG (2.53) and lower differential (.042) Helios IIâ„¢ core and you've got a high performance ball that looks great and hooks incredible!

Roto-Grip "Pro-Pin"â„¢ Technology
By: Storm's Steve Kloempken

Roto-Grip's "PRO PIN" technology is taking layouts and ball reaction to the extreme. Once only used on the PBA Tour for condition specific drillings, these balls are now being made available in limited quantities to the general bowling public.

Why? As the requests, requirements, and styles of today's bowler changes to address new lane conditions and patterns, Roto-Grip is answering by providing and packaging these items separately from the standard first run items due to their unique nature and value.

Roto-Grip "PRO PIN" bowling balls are:

  1. All first quality Roto-Grip bowling balls

  2. Manufactured with the same high quality standards as all other Roto-Grip products

  3. Manufactured with the highest integrity

  4. Made with the same high quality materials as all other Roto-Grip products

  5. Great for specialized layouts and drilling options

  6. Potential for enhancing dynamic use of core position

  7. Meet all A.B.C., U.S.B.C. and P.B.A. regulations

Roto-Grip "PRO PIN" bowling balls are first quality bowling balls with pin distances over 5" from the center of gravity and top weight between 2 and 4 ounces. Through our testing, we have found that these balls lend themselves to a variety of drilling patterns outside the range of pins less than 5" which would require an extra hole to accomplish with standard pin and top weight specificiations. Based on the desired reaction, some Pro Pin drillings may require an extra hole for balance requirements.

Please visit your pro shop professional for assistance in determining the best layout for your style and lane conditions. If additional questions, please consult the "PRO PIN" Drilling instructions included in every box or call Roto-Grip Technical Services at 1-800-369-4402 or email tech@stormbowling.com

By: Storm's Steve Kloempken

'Bowl up a STORM!'

These rare PRO-PIN bowling balls are only available to you from Bowlingball.com on a Limited Basis.

Less than 400 produced annually for the Entire
PRO-PIN product line.

Hurry, because individual Quantities are
Extremely Limited....so don't delay!
Get your PRO-PIN Today before they're gone!



PRO-PIN bowling balls are regularly used by touring Professionals. Those who have been lucky enough to throw one of these hard to find bowling balls, know the great and wide possibilities the Pro-Pin bowling balls have to offer. The reaction is unique, unprecedented, and widely used on the Tour.

The drilling instructions on how to drill these Pro-Pins are included with the ball and are also located on our website and are available for viewing by clicking here.



Originally reserved for the Epic series only, the Ultimate Vision Pearl Reactive coverstock is the best match for most house patterns and gives the Illusion super versatility on a wide variety of conditions.

Combine that with the new higher RG (2.53)and lower differential (.042) Helios II core and you've got a high performance ball that looks great and hooks incredible!

Bowlingball.com Ball Reaction Video Preview