1999 Chevrolet Camaro Wheel Offset

Quick specs

Wheel size: 7.5x16 · 8x16 · 9x17
Offset: ET55 · ET50
Backspacing: 5.92 in · 6.17 in · 6.47 in
Bolt pattern: 5×120.7, 5×120.65
Center bore: 70.3 mm
Thread: M12×1.5
Tire size: 215/60R16 · 235/55R16 · 245/50R16 · 275/40R17

OEM configurations

Configuration	Rim	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
3.8 · V6, Petrol	7.5x16	ET55	5.92 in	215/60R16	5x120.65	70.3 mm	M12 x 1.5
3.8 · V6, Petrol	8x16	ET55	6.17 in	235/55R16	5x120.65	70.3 mm	M12 x 1.5
5.7 · V8, Petrol	8x16	ET55	6.17 in	235/55R16	5x120.65	70.3 mm	M12 x 1.5
5.7 · V8, Petrol	8x16	ET55	6.17 in	245/50R16	5x120.65	70.3 mm	M12 x 1.5
5.7 SS · V8, Petrol	9x17	ET50	6.47 in	275/40R17	5x120.65	70.3 mm	M12 x 1.5

Wheels and hardware

Lug hardware

Wheel locks

Real-World 1999 Chevrolet Camaro Wheel Setups

Observed aftermarket setups from documented Modified1 builds. These are individual build records — not OEM specifications and not clearance guarantees for every vehicle.

Common custom wheel sizes

Among builds in our database for this model year:

17-inch — 24 documented builds
18-inch — 14 documented builds
19-inch — 2 documented builds

Showing 36 of 42 documented builds in this view.

DiameterLayout

1999 Chevrolet Camaro custom wheel setup

Staggered · 18×8.5 ET46 / 19×10 ET64

Documented on a 1999 Chevrolet Camaro build — observed custom fitment, not a universal fit guarantee.

Wheel: C6 Z06

Front: 18×8.5 ET46 · 285/30R18
Rear: 19×10 ET64 · 255/35R19

Compared with OEM

Compared with the 17×9 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 2.4 mm less outward poke
Inner edge 10.4 mm farther from suspension (more inner clearance)
Width -0.5" vs OEM
Diameter +1" vs OEM

View full build on Modified1

Staggered · 17×9.5 / 18×10.5

Documented on a 1999 Chevrolet Camaro build — observed custom fitment, not a universal fit guarantee.

Front: 17×9.5 · 255/40R17
Rear: 18×10.5 · 285/35R18

Compared with OEM

Compared with the 17×9 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 17×9.5 / 18×10.5

Documented on a 1999 Chevrolet Camaro build — observed custom fitment, not a universal fit guarantee.

Wheel: C5 DD

Front: 17×9.5 · 275/40R17
Rear: 18×10.5 · 295/35R18

Compared with OEM

Compared with the 17×9 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 19×10 / 18×8.5

Documented on a 1999 Chevrolet Camaro build — observed custom fitment, not a universal fit guarantee.

Front: 19×10
Rear: 18×8.5

Compared with OEM

Compared with the 17×9 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +2" vs OEM

View full build on Modified1

18×10.5

Documented on a 1999 Chevrolet Camaro build — observed custom fitment, not a universal fit guarantee.

Tires: 295/35R18

Compared with OEM

Compared with the 17×9 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +1" vs OEM

View full build on Modified1

Staggered · 18×9.5 / 18×10.5

Documented on a 1999 Chevrolet Camaro build — observed custom fitment, not a universal fit guarantee.

Wheel: C6 Motorsports

Front: 18×9.5 · 285/35R18
Rear: 18×10.5

Compared with OEM

Compared with the 17×9 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +1" vs OEM

View full build on Modified1

Staggered · 17×10.5 / 18×9.5

Documented on a 1999 Chevrolet Camaro build — observed custom fitment, not a universal fit guarantee.

Wheel: C6

Front: 17×10.5 · 295/35R17
Rear: 18×9.5 · 265/40R18

Compared with OEM

Compared with the 17×9 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 17×9.5 / 18×10.5

Documented on a 1999 Chevrolet Camaro build — observed custom fitment, not a universal fit guarantee.

Front: 17×9.5 · 275/40R17
Rear: 18×10.5 · 305/35R18

Compared with OEM

Compared with the 17×9 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 18×11.5 / Rear unknown

Documented on a 1999 Chevrolet Camaro build — observed custom fitment, not a universal fit guarantee.

Wheel: C5 DD

Front: 18×11.5
Rear: —

Compared with OEM

Compared with the 17×9 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +1" vs OEM

View full build on Modified1

Staggered · 17×9 / 17×11

Documented on a 1999 Chevrolet Camaro build — observed custom fitment, not a universal fit guarantee.

Wheel: Silver ZR1

Front: 17×9
Rear: 17×11

Compared with OEM

Compared with the 17×9 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Staggered · 18×9.5 / 18×10.5

Documented on a 1999 Chevrolet Camaro build — observed custom fitment, not a universal fit guarantee.

Wheel: C5 DD

Front: 18×9.5 · 275/35R18
Rear: 18×10.5 · 295/35R18

Compared with OEM

Compared with the 17×9 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

Diameter +1" vs OEM

View full build on Modified1

Staggered · 17×9.5 / 18×10.5

Documented on a 1999 Chevrolet Camaro build — observed custom fitment, not a universal fit guarantee.

Wheel: C6 Z06

Front: 17×9.5
Rear: 18×10.5

Compared with OEM

Compared with the 17×9 ET50 OEM configuration. Calculated geometry only — not fit confirmation.

View full build on Modified1

Documented diameter × width pages

Aftermarket wheel sizes with enough documented Modified1 builds for this model year. Evidence pages — not fit guarantees.

Compare your own setup

See how a different width or offset sits versus an OEM configuration for this year.

OEM baseline

Open full fitment calculator

More specs for the 1999 Chevrolet Camaro

Each OEM row is a catalog configuration. Offset ranges are not collapsed when the database has exact setups. Documented aftermarket builds are observed setups only — not universal fit or clearance confirmation.