2005 Chevrolet Corvette Wheel Backspacing
6.45 in
Quick specs
- Backspacing
- 6.45 in
- OEM offset
- ET56
- Wheel size
- 8.5x18
- Tire size
- 245/40R18
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| 6.0 · LS2, V8, Petrol | 8.5x18 | 8.5x18 | ET56 | 6.45 in | 245/40R18 | 5x120.65 | 70.3 mm | M12 x 1.5 |
Compare wheel position See wheel offset
Backspacing values above are calculated from OEM wheel width and offset using BS = width/2 + offset_mm/25.4 (same formula as the fitment calculator).
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More specs for the 2005 Chevrolet Corvette
Backspacing on these pages is calculated from OEM wheel width and offset (width/2 + offset_mm/25.4). Higher backspacing seats the wheel farther inward; lower backspacing moves it outward.