Bowling ball core · DV8
DV8 Mantra Core
Asymmetric DV8 core
An asymmetric core with mid-lane rev-up and medium flare, built for medium to heavy oil. 1 of the 2 balls with this core are in stock at BowlersMart.
- Asymmetric
- RG 2.498
- Diff 0.047
- MB 0.011

Specs
RG AT 15 LB
2.498
Mid-lane rev-up
40% of the reactive and urethane balls we stock have a lower RG.
DIFFERENTIAL AT 15 LB
0.047
Medium flare
49% of the reactive and urethane balls we stock have a lower differential.
MASS BIAS AT 15 LB
0.011
Mild asymmetry
8% of the asymmetric reactive and urethane balls we stock have a lower mass bias.
| Weight | RG | DifferentialDiff | Mass biasMB |
|---|---|---|---|
| 16 lb | 2.507 | 0.041 | 0.011 |
| 15 lbUsed on this page | 2.498 | 0.047 | 0.011 |
| 14 lb | 2.506 | 0.047 | 0.011 |
| 13 lb | 2.597 | 0.041 | 0.014 |
| 12 lb | 2.593 | 0.041 | 0.014 |
Source: DV8 published specs, as listed on the DV8 Mantra Solid product page. 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.
Balls with the DV8 Mantra Core
1 of the 2 balls with the DV8 Mantra Core are in stock at BowlersMart. Same core, different covers: pick the cover for the lanes you bowl on.

DV8 HK22 Inciter Xtreme Reactive
Medium to heavy oil
Show 1 ball no longer available at BowlersMart
| Ball | Cover | First seen |
|---|---|---|
| DV8 Mantra Bowling Ball | DV8 HK22 Inciter Xtreme Hybrid Reactive | September 2024 |
Where the DV8 Mantra sits
Each dot is a core in balls we stock. Cores close together roll alike; the cover and layout decide the rest.
Navy ring = a ball in your bag. Dashed ring = off this chart, or this same core.
Nearest cores, zoomed in
Navy ring = a ball in your bag. Dashed ring = off this chart, or this same core.
This core 1 Nearest cores Other cores
| Core | Brand | Shape | RG | Diff | vs this core |
|---|---|---|---|---|---|
|
|
Track | Asymmetric | 2.496 | 0.047 | RG −0.002 · Diff 0.000 |
|
|
Brunswick | Symmetric | 2.501 | 0.048 | RG +0.003 · Diff +0.001 |
|
|
Radical | Symmetric | 2.495 | 0.046 | RG −0.003 · Diff −0.001 |
|
|
Motiv | Symmetric | 2.500 | 0.045 | RG +0.002 · Diff −0.002 |
|
|
DV8 | Symmetric | 2.496 | 0.045 | RG −0.002 · Diff −0.002 |
|
|
Radical | Asymmetric | 2.490 | 0.045 | RG −0.008 · Diff −0.002 |
Matches use 15 lb RG and differential.
Drilling and tools
Turn on JavaScript to compare with your ball.Balls with the DV8 Mantra Core1 of the 2 balls with the DV8 Mantra Core are in stock at BowlersMart. Same core, different covers: pick the cover for the lanes you bowl on.
Questions bowlers ask
What is the RG of the DV8 Mantra Core?
At 15 lb the DV8 Mantra Core has an RG of 2.498. It ranges from 2.498 to 2.597 across the listed weights.
What is the 14 lb RG of the DV8 Mantra Core?
At 14 lb the RG is 2.506.
What is the differential of the DV8 Mantra Core?
At 15 lb the differential is 0.047. The mass bias is 0.011.
Which bowling balls use the DV8 Mantra Core?
DV8 Mantra Solid Bowling Ball, DV8 Mantra Bowling Ball. 1 are in stock now.
How do the DV8 Mantra Core specs change by weight?
At 16 lb: RG 2.507, differential 0.041, mass bias 0.011. At 12 lb: RG 2.593, differential 0.041, mass bias 0.014.
How does the DV8 Mantra 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. DV8 published specs, as listed on the DV8 Mantra Solid product page, 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.


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