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Porsche Application Wheel Guide

 

First off let us disclose that these are recommendations for installing newer wheels on older cars and newer Porsche cars from the early 911 SC, 944, 951, 928, 986, 987, 964, 996, 997, GT-cars. There are by no means for us to state facts on every car that was produced.  We will continue to update this page as time permits.

The recommendations are made from cars we have personally installed. This information is provided based on our experience for wheels we offer on this site. 

It is very important to understand that some wheel & rim manufactures used different off-sets, back-spacing, center-bore, lug-seat and back-spoke clearances.  This will usually range from manufacture to manufacture and that is why it is important to know who you are buying from to ensure prior fitments have been made. “ask for photos”

We are familiar with the wheels we offer and make this information based on that information alone.  We cannot speak on behalf of a wheel we have not performed installation clearances and checks on.

WE DO NOT PROVIDE FITMENT ADVISE OVER THE PHONE

"In all fairness please refrain from calling our sales desk to ask fitment questions from purchases made elsewhere", we'd like to help but cannot interrupt tie up the phone lines for our customers. If you have a general fitment question please E-mail us so we can try and answer your questions.  We usually reply within the first 24 hours so please be patient. info@wheeldynamics.com

There are many wheels and myriad of sizes and offsets that came from the factory. Some wheels are not approved for certain models because the wheel and tire technology was not in use when these cars were made. 

 I believe the single most improvement on your car for performance can be the right wheel and tire set up. It not only will improve handling but also braking when updating your car to the latest wheel and tire set up. It is just like playing basket-ball with an old set on Converse Chuck Taylor's. The shoes have little to no support and about the same on the sole. As soon as you slip on a new pair of Jordan's you realize how shoes have improved. It is the same with your wheel and tire set up.

Porsche is moving to larger and larger wheel diameters for numerous reasons. Back in the 80's 16" wheels were the state of the art now Porsche has moved all the way up to 21” diameter wheels.

We understand that some shops who are unfamiliar with the Porsche cars have used this information to assist them with installing wheels on Porsche cars, please DO NOT RE-POST, COPY OR RE-DISTRIBUTE THIS INFORMATION, IT IS INTENDED FOR THE EXPLICIT USE OF WHEEL DYNAMICS & VISITORS FOR REFERENCE ONLY.  Redistribution or unauthorized use of this guide is strictly prohibited.

 

Scroll down to see all the models

 

 

 

997.1 05-08

977.2 09-12

(AKA 997)

 

THE PORSCHE 997.1 (2005-2008) 997.2 (2009-2012) 911 Produced from 2005-2012

This Porsche 911 (997) gave way to more space in the rear allowing for wide track wheels such as the 11" & the 11.5" wide rears to be used. The standard 19" wheels now offered can in a 19x8 (et 57) and a 11" (et 67) but also offered the 11.5 option. What makes this vehicle wheel options easy is that most owners can now purhcase after-market 19" wheels and use their exsisting tires. TPMS was also installed starting in 2006 make sure your sensors are transfer-able. Wheel Dynamics wheels are all tested and compatable with factory TPMS equipment.

The 997 S models to require a little more room for the back-spoke clearance due to the larger brake system. Turbo and C4S models typically use the rear 19x11.5 (et 51) or the 19x11 (51), same front sizes on all models. You can easily fit the 19x11 using 40-55 et.

Turbo/C4S 19x8.5 (45-50) and 19x11 (et 50-70) (you can option for up to 12" fitment but may need to custom order those wheels)

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Show above is a 19x8.5 (et 45) & 19x11 (et 40)

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911 99-01

911 02-04

(AKA 996)

 

THE PORSCHE 996 (911 Produced from 1999-2004)

This Porsche 911 (996) has an early version and a late version plus a wide body.  The Porsche 996 comes from the factory front 7.5" or 8" wheels with a 50mm offset.. The Porsche GT2 & GT3 will have a 18x8.5 offset 40mm front. The rear narrow body 996 C2 & C4 is typically come with a 18x10 offset 65mm or 17x9 off-set 55. The early production 1999-2001 Porsche 996 models have less fender-clearance over the later 2002-2004 996 Porsche C2 & C4 which have around 10-mm more space on the out-side edge.

If you wish to install an 11" wheel on the early production 911 (996) Porsche then we would suggest rolling your rear fenders to fold up the fender edging. The later production 996 Porsche was rolled in the rear by the factory which gives you more room allowing you more space to paly with.

After-market wheels you can easily run a 19x8.5 wheel and 19x10.5 without any issues, however there are some who want to go with an 18 or 19x11 which may require a narrow tire, neg-camber or keeping away from lowering the Porsche all together.

The factory 997 wheel in 19x11 offset 67mm will need a small spacer in the rear with some tires. The 2002 and up cars do not have this issue as the track was slightly widened. GT3 is 18x11 offset 63mm.

The Turbo and C4S models do come with a 18x5 (et 50) & 18x11 (et 45)

With these models you can easily run a 18 or 18x8.5 front (et 45-55) and rear 18 or 19x11 (38-50).

996

 

2001 911 19x8.5 et45mm 19x10.5 et50mm (above) tires used: 235/35/19 & 275/30/19 (lowered & no-fender rolling required)

2001 911 19x8.5 et45mm 19x11 et52mm (below)Tires used: 235/35/19 & 315/25/19 (lowered & fender rolling required)

r-55

 

944 85.5-86

including turbo

THE PORSCHE 944 "1985.5-1986"

Stock 15x7 et 23.3mm Can use most 17" & 18" 50-65mm et wheels with 1" to 1 1/2" spacers

Most extreme fitment -Front 18x9 et 52mm one inch spacers. Rear 18x11 et45mm 1/4 spacer to no spacer- depends on car.

18x10 et 40mm fits nicely with no spacer on the rear with 265/35/18 to 285/30/18 tire.

With 18x11 et 45mm wheels you will need to reverse the top shock tower bolt.

Front hubs have a long shaft some spacers will not go on properly if hub centric part is not cut deep enough

18x8et 50mm(1" spacers) and 18x11 et45mm on 1986 944 turbo below

 

944 87-91

Including turbo

968 93-95

 

THE PORSCHE 944 "1987-1991" (Including Turbo models) & 968 "1993-1995"

No spacers needed for newer17"- 18" wheels in the 48 mm-65mm et range. All 986, 996, 997, part# wheels will require a 1/4" (7mm) for the front hub. This is so the wheels will mount flush on the hub. This is needed for all newer wheels. 993 part# wheels will not need the spacer.

Most extreme fitment-Front 18x9 et52mm -Rear 18x11 et65mm

18x8et 50mm and 18x10et 65mm on 1991 944 S2 below

 

 

928 78-85  Can use all of the narrow body wheels from 993-986-996-997 50mm -65mm et front and 48mm - 65mm et rear. 1981 to 1984 cars have 21mm spacers in the rear. These can be removed to fit  some wide body wheels. (18x10 40mm 18x11 45mm) You may still need to do some fender mods depending on the tire size.

Most extreme fit 18x10 et65mm front and 18x11 et45mm-63mm. The 18x11 et63mm wheel fits nicely on the rear with a 285/30/18 tire. 19"s fit very nicely on the car

18x8et 50mm and 18x11et 45mm below

928 86-91 Can use all of the narrow body wheels from 993-986-996-997 50mm -65mmet front and 48mm-65mm et rear. Some manual 89gt cars have 17mm spacers in the rear so you may have to chuck them when using wider wheels and tires

Most extreme fit 18x10 et65mm on all four corners. The 18x11 et63mm wheel fits nicely on the rear with a 285/30/18 tire. 19"s are possible

18x8et 50mm and18x10et 65mm below

928 GTS Can use all of the narrow body wheels from 993-986-996-997 50mm-65mmet  front and 48mm-65mm et rear. Cars have spacers in the rear for the flared fenders. These can be removed to use wide body wheels.

Most extreme fit 18x10 et65mm on all four corners. The 18x11 et63mm wheel fits nicely on the rear with a 285/30/18 tire. 19"s are possible

18x8et 50mm and 18x10et 65mm below

Boxsters Can use most wheels from the 996 with spacers in the rear.  40mm-65mm et front and 40-50mm et rear (Stock 18x10 is 47mm) the 18x10et 65mm 996 wheel will require a 15mm spacer to clear the shock.

Most extreme is the Techart 18x10.5 et 42mm wheel for the rear. Use zip ties for the parking brake cable. 285/30/18 tire is about the largest you can use.

Can use 19' from 987

Most extreme fit 20x9 et50mm and 20x10 et 60mm(15mm spacer) with 245/30/20 and 285/20/20

20x9et 50mm and 20x10et 60mm below

911 78-89 Newer wheels on these cars can be done with spacers. Offset similar to early 944 23.3 front and 15mm rear. The wheels will need to be no wider than 9" on the rear. 10" to 11" rears will work but there are some modifications needed to a few things trailing arm bolt, passenger side oil lines, fender rolling, and proper tire choice to name a few.

911SC with 18x8 et50mm on all for corners. 7mm spacer front and 25mm spacer rear.

 

911 89-94

(AKA 964)

This car is known as the 964. Same fenders as earlier cars but a totally new suspension. New offset for the 911. Now the car is inline with the rest of the Porsche models for offset. Car can run most of the newer wheels. Boxster wheels work best as some later model Carrera wheels will need a spacer to bring them out. The car works with 8"-9" wheels with offsets from 45mm to 60mm in the front. Rear the offset needs to be 58mm or lower for 9" and 10" wheels. The turbo version 965 uses the same offset wheels as the narrow body. This confuses most people thinking they can use later model wide body wheels on these cars. 

1995 C2 964 18x8 et45mm 18x10 et50mm (agressive fit but nice stance)

911 95-98

(AKA 993)

This car is known as the 993. There are two versions of this car the narrow body and the wide body versions C2S, C4S, and the Turbo. Offsets for this car is generally 8"-9" front with 45mm -55mm. The Narrow body rear uses 9" with 55mm offset and a 10" with 47mm to 65mm offset. With the 47mm you will have to watch the tire size. The car can use 19" wheels but the rear wheels can be no wider than 10.5" but we would suggest using a 10" wide for a good fit. Wide body cars can use the 996 wide body wheels in 18x11 et45mm for the rear.

19x8.5 et46mm 19x10 et56mm, the most extreme rear fit would be the 10" (et-50) on the rear side but this fit would be a choice fit left up to the owner as it will show a slight agressive fit seen below on the white 993.

808-series-993

Seen below the fitment on the 993 narrow body using a 10" wide rear wheel at 50 off-set

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944 83-85.5

 

 

Stock 15x7 et 23.3mm Can use most 17" & 18" 50-65mm et wheels with 1" to 1 1/2" spacers

Front hubs have a long shaft some spacers will not go on properly if hub centric part is not cut deep enough

944

17x7et 55mm and 17x9 et55mm one inch spacers front and rear below.

944-2

 

 

PLEASE REMEMBER THAT ALL WHEELS WHICH ARE CUSTOMIZED ARE NOT AUTHORIZED FOR RETURN.  WHEELS WHICH ARE USED OR HAVE BEEN WORKED ON OR MOUNTED CAN NOT BE RETURNED, IT IS YOUR RESPONSIBILITY TO INSPECT YOUR ORDER BEFORE MOUNTING THE WHEELS ON YOUR PORSCHE.

We are not responsible for cost associated with installing TPS (Tire pressure Sensors).  If your vehicle requires tire sensors you can purchase them from us and we'll install them for you or you can remove them from your wheels and deliver them to us so we can install them for you.  You must let us know about sensors before your tires are mounted for this free installation service.

WE CANNOT ACCEPT USED WHEELS FOR RETURN, IF YOUR WHEELS ARE AUTHORIZED FOR RETURN YOU WILL BE RESPONSIBLE FOR SHIPPING ALL SHIPPING CHARGES AND A REASONABLE RESTOCKING FEE OF 25% OF THE TOTAL COST OF THE RETURN.  BY PURCHASING YOU AGREE TO THESE TERMS AND CONDITIONS.