1992 Mazda RX-7 Wheel Offset

Quick specs

Wheel size: Multiple — see configurations
Offset: ET40 · ET50 · ET45
Backspacing: Multiple — see configurations
Bolt pattern: 5×114.3
Center bore: 67.1 mm, 59.6 mm
Thread: M12×1.5
Tire size: Multiple — see configurations

Explore wheels at Tire Rack

Showing matching bolt patterns and offsets up to 30 mm lower. Confirm center bore, load rating, and clearance at Tire Rack.

Configuration

Enkei Performance Enkei92
15 × 7″ · ET +38 · Black w/Mach Lip
$165.17
View at Tire Rack
American Racing AR172 Baja
15 × 8″ · ET +20 · Black
$207.00
View at Tire Rack

Tire Rack pays a commission on qualifying purchases. Prices and availability come from Tire Rack. A dimensional or size match is not a confirmation that the product fits your vehicle.

OEM configurations

Configuration	Front	Rear	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
1.3 · 1.3L, 13B, R, Petrol	6x15	6.5x16	ET40	4.57 in	205/60R15 / 205/55R16	5x114.3	59.6 mm	M12 x 1.5
1.3 · 1.3L, 13B, R, Petrol	6.5x15	6.5x16	ET40	4.82 in	205/60R15 / 205/55R16	5x114.3	59.6 mm	M12 x 1.5
1.3 · 1.3L, 13B, R, Petrol	6.5x16	6.5x16	ET40	4.82 in	205/55R16	5x114.3	59.6 mm	M12 x 1.5
1.3 Turbo · 13B, R, Petrol	7x16	7x16	ET40	5.07 in	205/55R16	5x114.3	67.1 mm	M12 x 1.5
1.3 Turbo (E-FC3S) · 1.3L, 13B, R, Petrol	6x15	7x16	ET40	4.57 in	205/60R15 / 205/55R16	5x114.3	59.6 mm	M12 x 1.5
1.3 Turbo (E-FC3S) · 1.3L, 13B, R, Petrol	6.5x15	7x16	ET40	4.82 in	205/60R15 / 205/55R16	5x114.3	59.6 mm	M12 x 1.5
1.3 Turbo (E-FC3S) · 1.3L, 13B, R, Petrol	7x16	7x16	ET40	5.07 in	205/55R16	5x114.3	59.6 mm	M12 x 1.5

Lug hardware

Wheel locks

Real-World 1992 Mazda RX-7 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:

18-inch — 3 documented builds

3 documented builds.

Staggered · 18×9.5 ET30 / 18×9.5 ET15

Documented on a 1992 Mazda RX-7 build — observed custom fitment, not a universal fit guarantee.

Wheel: ROTA GTR-D

Front: 18×9.5 ET30 · 235/40R18
Rear: 18×9.5 ET15

Compared with OEM

Compared with the 16×6.5 ET40 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 48.1 mm farther toward fender (more outward poke)
Inner edge 28.1 mm closer to suspension (less inner clearance)
Width +3" vs OEM
Diameter +2" vs OEM

View full build on Modified1

Staggered · 18×10.5 ET28 / 18×10 ET11

Documented on a 1992 Mazda RX-7 build — observed custom fitment, not a universal fit guarantee.

Wheel: SSR Koenig

Front: 18×10.5 ET28
Rear: 18×10 ET11

Compared with OEM

Compared with the 16×6.5 ET40 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 62.8 mm farther toward fender (more outward poke)
Inner edge 38.8 mm closer to suspension (less inner clearance)
Width +4" vs OEM
Diameter +2" vs OEM

View full build on Modified1

Staggered · 18×9.5 ET41 / 18×10.5 ET28

Documented on a 1992 Mazda RX-7 build — observed custom fitment, not a universal fit guarantee.

Wheel: SSR

Front: 18×9.5 ET41 · 225/40R18
Rear: 18×10.5 ET28 · 255/35R18

Compared with OEM

Compared with the 16×6.5 ET40 OEM configuration. Calculated geometry only — not fit confirmation.

Outer edge 37.1 mm farther toward fender (more outward poke)
Inner edge 39.1 mm closer to suspension (less inner clearance)
Width +3" vs OEM
Diameter +2" vs OEM

View full build on Modified1

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 1992 Mazda RX-7

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.