1996 Mazda RX-7 Wheel Offset

Quick specs

Wheel size: 8x16 · 8x17 · 8x18
Offset: ET50 · ET45
Backspacing: 5.97 in · 5.77 in
Bolt pattern: 5×114.3
Center bore: 67.1 mm
Thread: M12×1.5
Tire size: 225/50R16 · 235/45R17 · 235/40R18

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Configuration

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OEM configurations

Configuration	Front	Rear	Offset	Backspacing	Tire	Bolt pattern	Center bore	Thread
1.3 Turbo · 13B, R, Petrol	8x16	8x16	ET50	5.97 in	225/50R16	5x114.3	67.1 mm	M12 x 1.5
1.3 Turbo · 13B, R, Petrol	8x17	8x16	ET50	5.97 in	235/45R17 / 225/50R16	5x114.3	67.1 mm	M12 x 1.5
1.3 Turbo · 13B, R, Petrol	8x18	8x16	ET45 / ET50	5.77 in	235/40R18 / 225/50R16	5x114.3	67.1 mm	M12 x 1.5
1.3 Turbo · 13B, R, Petrol	8x16	8x16	ET50	5.97 in	225/50R16	5x114.3	67.1 mm	M12 x 1.5
1.3 Turbo · 13B, R, Petrol	8x17	8x16	ET50	5.97 in	235/45R17 / 225/50R16	5x114.3	67.1 mm	M12 x 1.5
1.3 Turbo · 13B, R, Petrol	8x18	8x16	ET45 / ET50	5.77 in	235/40R18 / 225/50R16	5x114.3	67.1 mm	M12 x 1.5

Lug hardware

Wheel locks

Real-World 1996 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 — 1 documented build

1 documented build.

Staggered · 18×9.5 ET18 / Rear unknown

Documented on a 1996 Mazda RX-7 build — observed custom fitment, not a universal fit guarantee.

Wheel: Desmond Regamaster Marquis Promada

Front: 18×9.5 ET18 · 225/40R18
Rear: — · 225/40R18

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OEM baseline

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More specs for the 1996 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.