928 Wheel and Tire Fitment Chart									Have a size not listed? POST HERE
Wwidth	Woffset	Wdia	tire	Tratio	Tdia	spacer	Wout	Win	Tout	Tin	Notes	A	B	C	D	E	F	G	H	I	J	K	L	M	Y	X	Name
7	65	16	225	50	24.9		23.9	153.9	47.5	177.5	1,2	X	X														phone dial/S-slot		*	Widest known to fit
7	65	16	225	50	24.9	21	44.9	132.9	68.5	156.5	1,2		X						X								phone dial/S-slot		1	Early stock
7.5	55	17	225	45	25.0		40.25	150.25	57.5	167.5	8	X															Cup II		2	S4 stock
7.5	65	16	225	50	24.9		30.25	160.25	47.5	177.5	4	X															Design 90		3	CS/SE/GT stock
7.5	65	17	225	45	25.0		30.25	160.25	47.5	177.5	5	X															Cup I/II		4	S4/GT stock
8	50	18	225		18.0		51.6	151.6	62.5	162.5	9	X															Turbo Twist II	Tony Harkin	5	GTS stock
8	60	16	225	50	24.9		41.6	161.6	52.5	172.5	3	X	X														Club Sport		6	944/951
8	57	18	235	40	25.4		44.6	158.6	60.5	174.5	10	X															Carrera III		7	964/965
8	57	19	235	35	25.5		44.6	158.6	60.5	174.5	10,13	X															Carrera Classic	Rick Redpath	8	993
8	52.3	16	245	45	24.7		49.3	153.9	70.2	174.8	2	X	X										?				S-slot		9	996
9	60	16	245	45	24.7		54.3	174.3	62.5	182.5	3	X	X														Club Sport		10	997
9	52.3	16	245	45	24.7		62	166.6	70.2	174.8	4		X														Design 90		11	986
9	60	16	245	45	24.7	17	71.3	157.3	79.5	165.5	3		X							X							Club Sport		12	987
9	55	17	255	40	25.0		59.3	169.3	72.5	182.5	4		X														Cup I/II		13	Cayman S
9	55	17	255	40	25.0	35	94.3	134.3	107.5	147.5	5		X					X			X						Cup I/II
9	55	17	275	40	25.7		59.3	169.3	82.5	192.5	6		X														Cup I/II	Andrew Olsen
9.5	82.55		255		0.0		38.1	203.2	44.95	210.05	*	X																Mark Kibort	A	front
9.5	82.55		275		0.0		38.1	203.2	54.95	220.05		X			X								X					Mark Kibort	B	rear
9.5	52	18	265		18.0	25	93.65	147.65	105.5	159.5			X									X				X	AT Italia Riva		C	rubs front in (or requires rack spacer)
9.5	46	19	265	35	26.3		74.65	166.65	86.5	178.5	13		X														Carrera Classic	Rick Redpath	D	rubs front out
10	65	18	285		18.0		62	192	77.5	207.5	9	X	X	X											X		Carrera Lightweight	Richard (blau928)	E	rubs rear in
10	88.9		305		0.0		38.1	215.9	63.6	241.4		X		X									X		X				F	rubs rear out
10	88	17	315		17.0		39	215	69.5	245.5		X		X														Tom Falkenberg	G	GTS flares required
10	58	18	275		18.0		69	185	79.5	195.5	10		X														Carrera III		H	21mm S-spacer
10	76.2		305		0.0		50.8	203.2	76.3	228.7			X															Mark Kibort	I	17mm CS-spacer
11	88.9		305		0.0		50.8	228.6	63.6	241.4		X		X									X		X			Jim Page	J	35mm GTS-spacer
11	63.5		285		0.0		76.2	203.2	79	206			X															Mark Kibort	K	25mm/1" spacer
11	45	18	295	30	25.0		94.7	184.7	102.5	192.5	*,9		X														Turbo Twist II	Tony Harkin	L	Front Rolling required
11	51	18	295	35	26.1		88.7	190.7	96.5	198.5	10		X														Carrera III		M	Rear Rolling required
11	63.5		305		0.0		76.2	203.2	89	216			X															Mark Kibort
																													Y	Conditional
Untested or Unknown Variables Below																														1	High Camber required
10	60	18	265		18.0		67	187	72.5	192.5		X															Volk TE37	Mark Robinson		2	Protrudes from fender
10.5	40	18	295		18.0		93.35	173.35	107.5	187.5			X														Volk TE37	Mark Robinson
11	40	18	295		18.0		99.7	179.7	107.5	187.5			X														Volk TE37	Mark Robinson	X	Do not fit!
11	59	18	295		18.0		80.7	198.7	88.5	206.5			X														Volk TE37	Mark Robinson
9.5		18	255	35	25.0		120.7	120.65	127.5	127.5		X											X					David Roberts
9.5		19	265	30	25.3		120.7	120.65	132.5	132.5		X											X					David Roberts
11		18	295	30	25.0		139.7	139.7	147.5	147.5			X											X				David Roberts
11		19	315	25	25.2		139.7	139.7	157.5	157.5			X											X				David Roberts
8.5	54	18	225		18.0		53.95	161.95	58.5	166.5		X																Hans
10	54	18	285		18.0		73	181	88.5	196.5			X															Hans
					0.0		0	0	0	0
					0.0		0	0	0	0
					0.0		0	0	0	0