Sunex
Sunex 6603ASJ Professional Aluminum 3 Ton Service Jack
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Best Floor Jacks · head-to-head
Sunex 6603ASJ Professional Aluminum 3 Ton Service Jack vs Blackhawk Automotive B6350 Fast Lift Service Jack
A sourced, side-by-side comparison. Blackhawk Automotive B6350 Fast Lift Service Jack is cheaper at $206.20. Every spec and price links to its source.
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Blackhawk Automotive
Blackhawk Automotive B6350 Fast Lift Service Jack
$206.20
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec |  Sunex 6603ASJ Professional Aluminum 3 Ton Service Jack | Blackhawk Automotive B6350 Fast Lift Service Jack |
|---|---|---|
| US price | — | $206.20 |
| Brand | Sunex | Blackhawk Automotive |
| Released | — | — |
| Lifting capacity tons | 3 | 3.5 |
| Min lift height (in) | 3.8 | 5.5 |
| Max lift height (in) | 20 | 22 |
| Weight (lb) | 58 | — |
| Frame material | aluminum | steel |
| Lift speed strokes | 6 | — |
| Saddle diameter (in) | 4.5 | 4 |
| Warranty years | 1 | — |
Sources — Sunex 6603ASJ Professional Aluminum 3 Ton Service Jack: mrosupply.com (verified 2026-08-01). Blackhawk Automotive B6350 Fast Lift Service Jack: autozone.com (verified 2026-08-01).
What's the difference between the Sunex 6603ASJ Professional Aluminum 3 Ton Service Jack and Blackhawk Automotive B6350 Fast Lift Service Jack?
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.
- Lifting capacity tons: Sunex 6603ASJ Professional Aluminum 3 Ton Service Jack 3 vs Blackhawk Automotive B6350 Fast Lift Service Jack 3.5
- Min lift height (in): Sunex 6603ASJ Professional Aluminum 3 Ton Service Jack 3.8 vs Blackhawk Automotive B6350 Fast Lift Service Jack 5.5
- Max lift height (in): Sunex 6603ASJ Professional Aluminum 3 Ton Service Jack 20 vs Blackhawk Automotive B6350 Fast Lift Service Jack 22
- Frame material: Sunex 6603ASJ Professional Aluminum 3 Ton Service Jack aluminum vs Blackhawk Automotive B6350 Fast Lift Service Jack steel
- Saddle diameter (in): Sunex 6603ASJ Professional Aluminum 3 Ton Service Jack 4.5 vs Blackhawk Automotive B6350 Fast Lift Service Jack 4