2004 Dodge Viper Wheel Backspacing

7.01 in · 7.43 in

Quick specs

Backspacing
7.01 in · 7.43 in
OEM offset
ET51 · ET49
Wheel size
10x18 · 11x18
Bolt pattern
6×114.3
Tire size
275/35R18 · 315/30R18

OEM configurations

ConfigurationFrontRearOffsetBackspacingTireBolt patternCenter boreThread
8.3i · 8.3L, EWC, V10, Petrol10x1810x18ET517.01 in275/35R186x114.371.6 mm1/2" - 20 UNF
8.3i · 8.3L, EWC, V10, Petrol11x1810x18ET49 / ET517.43 in315/30R18 / 275/35R186x114.371.6 mm1/2" - 20 UNF

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 2004 Dodge Viper

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.