Bowling ball core · Storm

Storm Catalyst Core

Asymmetric Storm core

An asymmetric core with mid-lane rev-up and high flare, built for medium to heavy oil. Balls with this core are no longer available at BowlersMart.

  • Asymmetric
  • RG 2.500
  • Diff 0.052
  • MB 0.017
Storm Catalyst asymmetric core shape inside the ball

Specs

RG AT 15 LB

2.500

Mid-lane rev-up

Revs soonerRevs later

40% of the reactive and urethane balls we stock have a lower RG.

DIFFERENTIAL AT 15 LB

0.052

High flare

Less flareMore flare

75% of the reactive and urethane balls we stock have a lower differential.

MASS BIAS AT 15 LB

0.017

Medium asymmetry

MilderStronger

54% of the asymmetric reactive and urethane balls we stock have a lower mass bias.

RG How soon the ball revs up.Differential How much the ball can flare.Mass bias How asymmetric the core is.
Storm Catalyst Core specs by ball weight
Weight RG DifferentialDiff Mass biasMB
16 lb 2.500 0.051 0.016
15 lbUsed on this page 2.500 0.052 0.017
14 lb 2.540 0.050 0.015
13 lb 2.570 0.032 0.010
12 lb 2.590 0.029 0.008

Source: Storm published specs, as shown on BowlersMart’s original Storm Catalyst core page (2022). RG and differential change with ball weight; use the row for the weight you throw. The highlighted 15 lb row is the one used on this page.

Looking for a ball like your Storm Catalyst?

Balls with the Storm Catalyst Core are no longer available at BowlersMart. These in-stock balls have the closest RG and differential.

Brunswick Combat Solid Bowling Ball

Brunswick Combat Solid

Brunswick Alpha Premier Solid HK22C2 Reactive

Medium to heavy oil

Sale price $194.95 Regular price $289.95In stock
SWAG Executioner Solid Bowling Ball

SWAG Executioner Solid

SWAG Supreme Solid AP26

Heavy oil, medium to heavy oil

Sale price $184.95 Regular price $289.95In stock
DV8 Heckler Taunt Bowling Ball

DV8 Heckler Taunt

DV8 Maximum Havoc Hybrid Reactive

Medium to heavy oil

Sale price $164.95 Regular price $279.95In stock
Hammer Spawn Bowling Ball

Hammer Spawn

Hammer HK22 C2 Solid Reactive

Medium to heavy oil

Sale price $194.95 Regular price $279.95In stock
900 Global Viking Conquest Bowling Ball

900 Global Viking Conquest

900 Global RB 94 Solid Reactive

Medium to heavy oil

Sale price $209.95 Regular price $299.95In stock
Ebonite Entity Pearl Bowling Ball

Ebonite Entity Pearl

Ebonite Optimize Pearl Reactive

Medium to heavy oil

Sale price $129.95 Regular price $279.99In stock

Balls with the Storm Catalyst Core

None of the 6 balls with the Storm Catalyst Core are in stock at BowlersMart right now.

Show 6 balls no longer available at BowlersMart
More bowling balls with the Storm Catalyst Core
Ball Cover First seen
Storm Crux Bowling Ball Storm ERG Hybrid Reactive August 2014
Storm Crux Pearl Bowling Ball Storm ERG Pearl Reactive January 2015
Storm Alpha Crux Bowling Ball Storm GI-16 Solid Reactive December 2015
Storm Omega Crux Bowling Ball Storm GI-20 Pearl Reactive January 2020
Storm Triple Crux Overseas Bowling Ball Storm R3S Pearl Reactive January 2015
Storm Epic Crux Overseas Bowling Ball Storm GI-18 Solid Reactive January 2022

Where the Storm Catalyst sits

Each dot is a core in balls we stock. Cores close together roll alike; the cover and layout decide the rest.

Storm Element Tour A.I. Core, RG 2.470, diff 0.035DV8 Larceny Core, RG 2.471, diff 0.028DV8 Renegade Core, RG 2.499, diff 0.040Track I-Core Gen4, RG 2.480, diff 0.053Brunswick Vintage Light Bulb Low RG Core, RG 2.568, diff 0.032Brunswick Dual Centric Core, RG 2.509, diff 0.047Ebonite Big Time Core, RG 2.508, diff 0.054Hammer Stacked LED Core, RG 2.545, diff 0.047Hammer Vindicator Core, RG 2.474, diff 0.053Radical Vexed Variant Asymmetric Core, RG 2.490, diff 0.045Radical Modified Intel Symmetric Core, RG 2.483, diff 0.032Motiv Affliction V2 Core, RG 2.480, diff 0.055900 Global Conduit A.I. Core, RG 2.590, diff 0.050Roto Grip GEM A.I. Core, RG 2.490, diff 0.057Hammer Obsession Tour Core, RG 2.469, diff 0.034Hammer Super Offset Core, RG 2.524, diff 0.053Hammer Gas Mask Core, RG 2.500, diff 0.058Ebonite Turbo Core, RG 2.517, diff 0.040Ebonite Centrex Symmetrical Mass Bias Core, RG 2.466, diff 0.056Motiv Excel Core, RG 2.550, diff 0.030Motiv Detonator Core, RG 2.470, diff 0.055Storm Solarion A.I. Core, RG 2.480, diff 0.054SWAG Insanity Symmetric Core, RG 2.520, diff 0.034SWAG Fusion Core, RG 2.540, diff 0.036SWAG Watcher Symmetric Core, RG 2.510, diff 0.048SWAG Dragon Asymmetric Core, RG 2.490, diff 0.050Motiv Predator V2 Core, RG 2.470, diff 0.054Storm C3 Centripetal Control Core, RG 2.490, diff 0.029Roto Grip Rondure MaxD Core, RG 2.500, diff 0.058Hammer Vibe Core, RG 2.510, diff 0.042Hammer Aftermath Core, RG 2.520, diff 0.052Brunswick Alert Core, RG 2.478, diff 0.037DV8 Collision Core, RG 2.462, diff 0.052Track MC2 Asym Core, RG 2.473, diff 0.046Radical Evil Eye Symmetric Core, RG 2.495, diff 0.046Ebonite Iron Fist V2 Core, RG 2.473, diff 0.053Radical No Doubt Symmetric Core, RG 2.485, diff 0.051Storm Surge Core, RG 2.580, diff 0.024Roto Grip Hyped UP Core, RG 2.500, diff 0.042Roto Grip Morph-Wing Core, RG 2.510, diff 0.051Brunswick Fury Core, RG 2.524, diff 0.038Motiv Sigma Core, RG 2.470, diff 0.047Roto Grip Hustle Core, RG 2.530, diff 0.030900 Global Blast A.I. Core, RG 2.470, diff 0.055Radical Guru Core, RG 2.503, diff 0.044Track I-CORE 3.0, RG 2.486, diff 0.056Brunswick Infinity Core, RG 2.521, diff 0.051Storm Catalyst A.I. Core, RG 2.480, diff 0.053Hammer Raw Hammer Core, RG 2.537, diff 0.038Storm Atmos A.I. Core, RG 2.530, diff 0.042Storm Booster Core, RG 2.540, diff 0.046Track Shuttle Core, RG 2.480, diff 0.040Brunswick Light Bulb Core, RG 2.524, diff 0.030Radical Sneak Attack Core, RG 2.544, diff 0.036Motiv Gear Core, RG 2.480, diff 0.034Hammer Huntsman Core, RG 2.470, diff 0.050Hammer Super LED Core, RG 2.632, diff 0.034Ebonite Enhanced V2 Core, RG 2.480, diff 0.048DV8 Dualistic Core, RG 2.496, diff 0.045Radical Vexed Asymmetric Core, RG 2.498, diff 0.036Motiv Quadfire Core, RG 2.550, diff 0.043Track Stealth Core, RG 2.482, diff 0.056Brunswick Tiered Hexagon Core, RG 2.540, diff 0.045Columbia 300 Piranha Core, RG 2.554, diff 0.043Storm Torsion A.I. Core, RG 2.470, diff 0.050Storm Element Max A.I. Core, RG 2.470, diff 0.055Storm Radius Core, RG 2.610, diff 0.020Roto Grip Rondure Tour X Core, RG 2.480, diff 0.034SWAG Unreal Core, RG 2.510, diff 0.047SWAG Craze Core, RG 2.520, diff 0.030SWAG Serpent Asymmetric Core, RG 2.510, diff 0.048Radical Torpedo Asymmetric Core, RG 2.480, diff 0.052Motiv Overload Core, RG 2.480, diff 0.050DV8 Duality Core, RG 2.480, diff 0.036Hammer Spheroid Core, RG 2.480, diff 0.048Motiv Apex Predator Core, RG 2.520, diff 0.055Brunswick Danger Zone Core, RG 2.501, diff 0.048Storm RAD-TQ Core, RG 2.560, diff 0.051Storm Velocity Core, RG 2.480, diff 0.051Hammer Modified LED Core, RG 2.586, diff 0.027Epic Spark Core, RG 2.540, diff 0.049Motiv Hadron Dual Density Core, RG 2.500, diff 0.045Track Criterion ID Core, RG 2.496, diff 0.047Brunswick Zone Asymmetric Core, RG 2.478, diff 0.048Ebonite Entity Core, RG 2.515, diff 0.052Roto Grip Rocker A.I. Core, RG 2.480, diff 0.050Motiv Flux Core, RG 2.570, diff 0.015DV8 Mantra Core, RG 2.498, diff 0.047Hammer Gas Mask Low Diff Core, RG 2.500, diff 0.034Roto Grip RST A.I. Core, RG 2.520, diff 0.055Motiv Impulse V2 Core, RG 2.550, diff 0.050SWAG APX V1 Core, RG 2.500, diff 0.042SWAG Judge Core, RG 2.490, diff 0.052900 Global Magna A.I. Core, RG 2.490, diff 0.044Columbia 300 Pulse PowerCOR Core, RG 2.468, diff 0.045KR Strikeforce Launch Core, RG 2.530, diff 0.047900 Global Ellipse Asymmetric A.I. Core, RG 2.480, diff 0.050Motiv Halogen Core, RG 2.550, diff 0.037Storm C3 A.I. Core, RG 2.480, diff 0.031Motiv Gear APG Core, RG 2.470, diff 0.036Radical Snapshot Symmetric Core, RG 2.523, diff 0.050Hammer High Rev Offset Core, RG 2.489, diff 0.053Hammer Huntsman Tour Core, RG 2.472, diff 0.036Hammer LED Core, RG 2.650, diff 0.015Storm Inverted Fe2 Core, RG 2.570, diff 0.046Storm Capacitor Core, RG 2.570, diff 0.022SWAG Executioner Asymmetric Core (pictured: SWAG Executioner Solid Bowling Ball)1Radical Outer Limits Asymmetric Core (pictured: Radical Outer Limits Black Hole Bowling Ball)2Brunswick Rampart Core (pictured: Brunswick Combat Solid Bowling Ball)3DV8 Unholy Core (pictured: DV8 Heckler Hybrid Bowling Ball)4Hammer Gauntlet Core (pictured: Hammer Spawn Bowling Ball)5900 Global Strobe A.I. Core (pictured: 900 Global Viking Bowling Ball)6Storm Catalyst Core (pictured: Storm Epic Crux Overseas Bowling Ball)EARLY REV-UPMID-LANELATER REV-UPHIGH FLAREMEDIUMLOW FLARE2.442.482.522.562.602.642.680.0100.0200.0300.0400.0500.060RG at 15 lbDifferential at 15 lb← Revs up soonerRevs up later →More flare ↑Less flare ↓

Nearest cores, zoomed in

Hover or tap a dot for that core’s numbers. Click a dot to open its page. Drag to move around when zoomed in. The same RG and differential do not guarantee the same ball motion.

Same family: Storm Catalyst A.I. Core

This core 1 Nearest cores Other cores

Nearest cores to the Storm Catalyst Core
Core Brand Shape RG Diff vs this core
SWAG Executioner Solid Bowling Ball1SWAG Executioner Asymmetric CorePictured: SWAG Executioner Solid
 SWAG Asymmetric 2.500 0.051 RG 0.000 · Diff −0.001
Radical Outer Limits Black Hole Bowling Ball2Radical Outer Limits Asymmetric CorePictured: Radical Outer Limits Black Hole
 Radical Asymmetric 2.499 0.051 RG −0.001 · Diff −0.001
Brunswick Combat Solid Bowling Ball3Brunswick Rampart CorePictured: Brunswick Combat Solid
 Brunswick Asymmetric 2.502 0.051 RG +0.002 · Diff −0.001
DV8 Heckler Hybrid Bowling Ball4DV8 Unholy CorePictured: DV8 Heckler Hybrid
 DV8 Asymmetric 2.504 0.051 RG +0.004 · Diff −0.001
Hammer Spawn Bowling Ball5Hammer Gauntlet CorePictured: Hammer Spawn
 Hammer Asymmetric 2.501 0.050 RG +0.001 · Diff −0.002
900 Global Viking Bowling Ball6900 Global Strobe A.I. CorePictured: 900 Global Viking
 900 Global Asymmetric 2.510 0.052 RG +0.010 · Diff 0.000

Matches use 15 lb RG and differential.

Drilling and tools

Storm drill sheetsLayout guides for symmetric and asymmetric ballsDual angle converterTurn a pin to PAP layout into a dual angle layoutStorm layout adapterAdapt a VLS layout for speed, rev rate and axis rotation

Turn on JavaScript to compare with your ball.Balls with the Storm Catalyst CoreNone of the 6 balls with the Storm Catalyst Core are in stock at BowlersMart right now.Show 6 balls no longer available at BowlersMartMore bowling balls with the Storm Catalyst CoreBallCoverFirst seenStorm Crux Bowling BallStorm ERG Hybrid ReactiveAugust 2014Storm Crux Pearl Bowling BallStorm ERG Pearl ReactiveJanuary 2015Storm Alpha Crux Bowling BallStorm GI-16 Solid ReactiveDecember 2015Storm Omega Crux Bowling BallStorm GI-20 Pearl ReactiveJanuary 2020Storm Triple Crux Overseas Bowling BallStorm R3S Pearl ReactiveJanuary 2015Storm Epic Crux Overseas Bowling BallStorm GI-18 Solid ReactiveJanuary 2022Where the Storm Catalyst sitsEach dot is a core in balls we stock. Cores close together roll alike; the cover and layout decide the rest.All coresSymmetricAsymmetricStorm onlyAny brand900 GlobalBrunswickColumbia 300DV8EboniteEpicHammerKR StrikeforceMotivRadicalRoto GripSWAGStormTrack+−ResetZoom to this coreDV8 Larceny Core, RG 2.471, diff 0.028DV8 Renegade Core, RG 2.499, diff 0.040Track I-Core Gen4, RG 2.480, diff 0.053Brunswick Vintage Light Bulb Low RG Core, RG 2.568, diff 0.032Brunswick Dual Centric Core, RG 2.509, diff 0.047Ebonite Big Time Core, RG 2.508, diff 0.054Hammer Stacked LED Core, RG 2.545, diff 0.047Hammer Vindicator Core, RG 2.474, diff 0.053Radical Vexed Variant Asymmetric Core, RG 2.490, diff 0.045Radical Modified Intel Symmetric Core, RG 2.483, diff 0.032Motiv Affliction V2 Core, R

From Storm’s description

Questions bowlers ask

What is the RG of the Storm Catalyst Core?

At 15 lb the Storm Catalyst Core has an RG of 2.500. It ranges from 2.500 to 2.590 across the listed weights.

What is the 14 lb RG of the Storm Catalyst Core?

At 14 lb the RG is 2.540.

What is the differential of the Storm Catalyst Core?

At 15 lb the differential is 0.052. The mass bias is 0.017.

Which bowling balls use the Storm Catalyst Core?

Storm Crux Bowling Ball, Storm Crux Pearl Bowling Ball, Storm Alpha Crux Bowling Ball, Storm Omega Crux Bowling Ball, Storm Triple Crux Overseas Bowling Ball. 0 are in stock now.

Can I still buy a ball with the Storm Catalyst Core?

Balls with this core are currently unavailable at BowlersMart. Closest in-stock alternatives by RG and differential include Brunswick Combat Solid Bowling Ball, SWAG Executioner Solid Bowling Ball, DV8 Heckler Taunt Bowling Ball, Hammer Spawn Bowling Ball, 900 Global Viking Conquest Bowling Ball, Ebonite Entity Pearl Bowling Ball.

How do the Storm Catalyst Core specs change by weight?

At 16 lb: RG 2.500, differential 0.051, mass bias 0.016. At 12 lb: RG 2.590, differential 0.029, mass bias 0.008.

How does the Storm Catalyst Core compare with my ball?

Type the ball you throw into the Compare with your ball box on this page. It shows the RG and differential side by side and saves your bag for every core page.

Sources and method

Specs. Storm published specs, as shown on BowlersMart’s original Storm Catalyst core page (2022), as published by the manufacturer.

Baseline. The baseline is 212 in-stock, published reactive and urethane balls. Plastic and polyester covers, 2-piece, 3-piece and pancake cores, missing covers and missing RG or differential values are excluded.

Percentiles. Percentiles are the share of baseline balls with a strictly lower or higher value; ties are not counted.

Nearest cores. Nearest cores are ranked by distance on standardized 15 lb RG and differential, with the same symmetric or asymmetric shape preferred among near ties (distance bands of 0.1).

Mass bias. Mass bias is compared among asymmetric balls with numeric mass bias only.

Updated. Catalog and page updated 2026-10-16.

Next lesson

Compare cores by RGEvery in-stock ball from lowest to highest RGCompare cores by differentialEvery in-stock ball from lowest to highest differentialAll bowling ball coresCore libraries for every brand we carryStorm core libraryEvery Storm core we have specs for