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EXPANSION PLUG SIZE CHART

EXPANSION PLUG ENGINE KITS

EXPANSION PLUG SIZE CHART

CUP PLUGS - SHALLOW CUP PLUGS - CONCAVE PLUGS

RUBBER SEAL EXPANSION PLUGS

	CUP PLUGS

ERSCO No.	Size	O.D.	ERSCO No.	Size	O.D.	ERSCO No.	Size
CP-100	1/4"	.260	CP-178	1-45/64"	1.703	CP-161	17.27mm
CP-103	5/16"	.322	CP-179	1-3/4"	1.760	CP-392	18mm
CP-122	3/8"	.385	CP-180A	1-49/64"	1.762	CP-391	20mm
CP-123	13/32"	.440	CP-152	1-25/32"		CP-385	21.44mm
CP-180	7/16"	.477	CP-153	1-13/16"		CP-415	22mm
CP-190	29/64"	.461	CP-181A	1-7/8"	1.885	CP-395	24mm
CP-184	1/2"	.523	CP-182A	1-15/16"	1.943	CP-386	24.18mm
CP-187	17/32"	.541	CP-183A	1-61/64"	1.953	CP-387	24.76mm
CP-115	9/16"	.572	CP-200	1-31/32"	1.970	CP-164	25mm
CP-183	19/32"	.603	CP-155	1-63/64"	1.961	CP-112	26mm
CP-167	5/8"	.635	CP-146	2"	2.005	CP-388	26.9mm
CP-185	21/32"	.664	CP186A	2-1/64"	2.017	CP428	28mm
CP-166	43/64"	.666	CP-192	2-1/16"	2.070	CP-475	28.04mm
CP-193	45/64"	.704	CP-202	2-3/32"	2.100	CP-177	29.08mm
CP-182	3/4"	.760	CP-423	2-1/8"	2.150	CP-393	30mm
CP-189	49/64"		CP-156	2-9/64"	2.148	CP-429	31.5mm
CP-105	13/16"	.825	CP-204	2-3/16"	2.197	CP-394	32mm
CP-186	7/8"	.885	CP-188	2-1/4"	2.260	CP-410	34.3mm
CP-173	29/32"	.916	CP-157	2-1/2"	2.510	CP-124	35mm
CP-194	59/64"	.906	CP-206	2-5/8"	2.635	CP-125	36.5mm
CP-169	15/16"	.947	CP-195	2-11/16"	2.697	CP-128	38mm
CP-170	1"	1.010	CP-375	6.58mm		CP-397	40mm
CP-176	1-1/16"	1.062	CP-376	7.95mm		CP-132	40.16mm
CP-171	1-1/8"	1.135	CP-377	8.05mm		CP-407	42.3mm
CP-168	1-3/16"	1.192	CP-374	12mm		CP-139	44mm
CP-173A	1-7/32"	1.226	CP-378	12.14mm		CP-436	44.83mm
CP-158	1-1/4"	1.260	CP-413	12.7mm		CP-398	45mm
CP-120	1-5/16"	1.322	CP-412	12.9mm		CP-399	47mm
CP-175	1-3/8"	1.385	CP-379	13.08mm		CP-438	48mm
CP-151	1-29/64"	1.438	CP-380	14.10mm		CP-143	49.5mm
CP-181	1-1/2"	1.510	CP-411	14.4mm		CP-400	50mm
CP-106	1-9/16"	1.572	CP-159	14.6mm		CP-437	51mm
CP-104	1-5/8"	1.635	CP-160	15.8mm
CP-104-OS	1-5/8-O"	1.648	CP-414	16mm
*  Add "B" Suffix to ERSCO Number to order Brass Expansion Plugs

	SHALLOW CUP PLUGS

ERSCO No.	Size	O.D.	ERSCO No.	Size	O.D.	ERSCO No.	Size	O.D.
SP-310	29/64"	.477	SP-332	1-45/64"	1.703	SP-209	2-3/32"	2.098
SP-420	1/2"	.510	SP-220	1-47/64"	1.745	SP-462	2-7/64"	2.109
SP-154	17/32"	.541	SP-165	1-3/4"	1.760	SP-307	2-1/8"	2.135
SP-301	11/16"	.697	SP-465	1-49/64"	1.762	SP-466	2-9/64"	2.140
SP-443	13/16"	.823	SP-253	1-51/64"	1.802	SP-210	2-5/32"	2.156
SP-194	1"	1.010	SP-203	1-13/16"	1.808	SP-390	2-3/16"	2.193
SP-172	1-1/8"	1.135	SP-303	1-29/32"	1.902	SP-381	2-7/32"	2.228
SP-201	1-1/4"	1.260	SP-464	1-59/64"	1.931	SP-247	2-1/4"	2.260
SP-421	1-21/64"	1.338	SP-251	1-61/64"	1.953	SP-422RT**	2-3/8"	2.386
SP-196	1-3/8"	1.385	SP-114	1-31/32"	1.978	SP-422	2-3/8"	2.386
SP-197	1-31/64"	1.494	SP-205	2"	2.005	SP-463	2-1/2"	2.510
SP-198	1-1/2"	1.510	SP-110	2-1/64"	2.017	SP-268	2-3/4"	2.760
SP-199	1-5/8"	1.640	SP-305	2-3/64"	2.056	**RT = Reverse Taper
SP-382	1-41/64"	1.642	SP-123	2-1/16"	2.070
*  Add "B" Suffix to ERSCO Number to order Brass Expansion Plugs

	CONCAVE PLUGS

ERSCO No.	Size	O.D.	ERSCO No.	Size	O.D.	ERSCO No.	Size	O.D.
FP-416	3/8"	.375	FP-126	1-3/16"	1.187	FP-127	2-1/16"	2.062
FP-133	7/16"	.437	FP-130	1-1/4"	1.250	FP-227	2-1/8"	2.125
FP-134	1/2"	.500	FP-130A	1-5/16"	1.312	FP-147	2-1/4"	2.250
FP-135	9/16"	.562	FP-129	1-3/8"	1.375	FP-242	2-3/8"	2.375
FP-216	5/8"	.625	FP-148	1-7/16"	1.437	FP-228	2-1/2"	2.500
FP-136	11/16"	.687	FP-221	1-31/64"	1.484	FP-311	18mm
FP-187	3/4"	.750	FP-144	1-1/2"	1.500	FP-404	21mm
FP-417	13/16"	.812	FP-231	1-9/16"	1.562	FP-402	24mm
FP-138	7/8"	.875	FP-129A	1-5/8"	1.625	FP-396	35mm
FP-140	15/16"	.937	FP-419	1-47/64"	1.734	FP-403	40mm
FP-192	1"	1.000	FP-131	1-3/4"	1.750	FP-313	42mm
FP-418	1-1/32"	1.031	FP-145	1-7/8"	1.875	FP-395	45mm
FP-141	1-1/16"	1.062	FP-226	1-15/16"	1.937	FP-315	52mm
FP-142	1-1/8"	1.125	FP-107	2"	2.000
*  Add "B" Suffix to ERSCO Number to order Brass Expansion Plugs

	RUBBER SEAL EXPANSION PLUGS

ERSCO No.	Size		ERSCO No.	Size		ERSCO No.	Size
MA-401	3/4"		MA-406	1-3/8"		MA-411	2"
MA-402	7/8"		MA-407	1-1/2"		MA-412	2-1/8"
MA-403	1"		MA-408	1-5/8"		MA-413	2-1/4"
MA-404	1-1/8"		MA-409	1-3/4"
MA-405	1-1/4"		MA-410	1-7/8"

EXPANSION PLUG ENGINE KITS

AMERICAN MOTORS - AUDI - AUSTIN - BUICK - CADILLAC

CATERPILLAR - CHEVROLET - CHRYSLER - CONTINENTAL - CUMMINS

DETROIT DIESEL - FIAT - FORD - FALCON (Australian) - GMC - HONDA

HOLDEN (Australian) - INTERNATIONAL (Navistar) - M.G. - MAZDA

NISSAN (Datsun) - OLDSMOBILE - PONTIAC - RENAULT - SATURN (GM)

THERMO KING - TOYOTA - TRIUMPH - VOLKSWAGEN - VOLVO

	AMERICAN MOTORS

Year	Cylinder	Application	Steel	Brass
1983-90	4	150 OHV (2.46)	EPK-129	EPK-129B
1980-83	4	151 Pontiac Engine	EPK-74	EPK-74B
1977-79	4	121	EPK-28	EPK-28B
1940-67	4	Jeep 134	EPK-63	EPK-63B
1987-92	6	242 (4.0)	EPK-126	EPK-126B
1958-59	6	196, 199, 232, 258	EPK-1	EPK-1B
1960-84	8	290, 304, 343, 360, 390, 401	EPK-2	EPK-2B
1957-66	8	250, 287, 327	EPK-59	EPK-59B

	AUDI

Year	Cylinder	Application	Steel	Brass
1974-79	4	Fox 1500cc, 1600cc	EPK-28	EPK-28B

	AUSTIN

Year	Cylinder	Application	Steel	Brass
1973-75	4	Marina 1800cc	EPK-67	EPK-67B

	BUICK

Year	Cylinder	Application	Steel	Brass
1980-92	4	173 (2.8)	EPK-75	EPK-75B
1982-89	4	110 (1.8), 121 (2.0)	EPK-96	EPK-96B
1985-89	4	121 (2.0)	EPK-95	EPK-95B
1974-79	4	1.8 Liter Opel	EPK-29	EPK-29B
1968-75	4	1.9 Liter Opel	EPK-30	EPK-30B
1986-92	4	151 (2.5)	EPK-120	EPK-120B
1978-85	4	151 (2.5)	EPK-74	EPK-74B
1991-93	6	204 (3.3)	EPK-123	EPK-123B
1985-92	6	231 (3.8)	EPK-119	EPK-119B
1975-84	6	181, 196, 231, 252, (3.8)	EPK-53	EPK-53B
1964-67	6	225	EPK-57	EPK-57B
1975-82	8	260	EPK-58	EPK-58B
1961-63	8	215	EPK-62	EPK-62B
1977-81	8	301	EPK-64	EPK-64B
1968-92	8	267 (4.4), 305 (5.0), 350L (5.7)	EPK-8	EPK-8B
1966-82	8	340 (5.6), 350HJX (5.7)	EPK-3	EPK-3B
1967-79	8	400, 425, 430, 455	EPK-4	EPK-4B
1977-79	8	403	EPK-76	EPK-76B

	CADILLAC

Year	Cylinder	Application	Steel	Brass
1985-89	4	121 (2.0)	EPK-95	EPK-95B
1982-89	4	110 (1.8), 121 (2.0)	EPK-96	EPK-96B
1980-92	6	173 (2.8)	EPK-75	EPK-75B
1982-88	8	(252) Aluminum Engine	EPK-133	N/A
1968-92	8	307 (5.0), 350B, 350H, 350R	EPK-25	EPK-25B
1968-84	8	368, 425, 472, 500	EPK-5	EPK-5B

	CATERPILLAR

Year	Cylinder	Application	Steel	Brass
	4	3304 Head	EPK-80SS
	6	D343 Head	EPK-78SS
	6	3306 Head	EPK-81SS
	6 & 8	3406, 3408 Head	EPK-82SS
	8	3208	EPK-79SS
			SS = Stainless Steel Plugs

	CHEVROLET

Year	Cylinder	Application	Steel	Brass
1972	4	Luv 1800cc (Series 1)	EPK-29	EPK-29B
1973-75	4	Luv 1800cc (Series 2-4)	EPK-66	EPK-66B
1976-82	4	Luv 1800cc (Series 5-12)	EPK-90	EPK-90B
1976-87	4	85 (1.4), 98 (1.6)	EPK-65	EPK-65B
1982-89	4	110 (1.8), 121 (2.0)	EPK-96	EPK-96B
1985-89	4	121 (2.0)	EPK-95	EPK-95B
1985-89	4	92 (1.5)	EPK-104	EPK-104B
1986-92	4	151 (2.5)	EPK-120	EPK-120B
1978-85	4	151 (2.5)	EPK-74	EPK-74B
1980-92	6	173 (2.8)	EPK-75	EPK-75B
1991-93	6	204 (3.3)	EPK-123	EPK-123B
1989-93	6	(3.1) V-6	EPK-128	EPK-128B
1935-52	6	216	EPK-60	EPK-60B
1985-92	6	231 (3.8)	EPK-119	EPK-119B
1975-84	6	181, 196, 231, 252 (3.8)	EPK-53	EPK-53B
1938-62	6	235, 261	EPK-6	EPK-6B
1962-86	6	153, 194, 230, 250(4.1), 292 (4.8)	EPK-7	EPK-7B
1975-92	6	200 (3.3), 229 (3.8), 262 (4.3) 85 only	EPK-87	EPK-87B
1985-92	6	262 (4.3)	EPK-99	EPK-99B
1968-85	8	265, 267, 283, 302, 305 (5.0), 307 (5.0)   327, 350L (5.7)	EPK-8	EPK-8B
1986-92	8	305 (5.0), 350 (5.7)	EPK-100	EPK-100B
1970-79	8	400 w/ 2BC	EPK-9	EPK-9B
1965-88	8	366, 396, 400w/ 4BC, 402, 427, 454 (7.4)	EPK-10	EPK-10B

	CHRYSLER

Year	Cylinder	Application	Steel	Brass
1978-83	4	1040HC (1.7)	EPK-91	EPK-91B
1977-83	4	98 (1.6)	EPK-31	EPK-31B
1974-79	4	122 (2.0)	EPK-32	EPK-32B
1978-89	4	156 (2.6)	EPK-89	EPK-89B
1978-83	4	(1.6) 1600cc Audi Engine	EPK-28	EPK-28B
1987-92	4	181 (3.0)	EPK-127	EPK-127B
1981-92	4	135 (2.2), 153 (2.5)	EPK-88	EPK-88B
1960-83	6	170, 196, 225 (3.7)	EPK-13	EPK-13B
1934-59	6	230	EPK-61	EPK-61B
1990-92	6	201 (3.3)	EPK-105	EPK-105B
1993	6	215 (3.5)	EPK-125	EPK-125B
1990-92	6	239 (3.9)	EPK-106	EPK-106B
1987-92	6	242 (4.0)	EPK-126	EPK-126B
1957-89	8	273, 318, 340, 360 (5.9)	EPK-11	EPK-11B
1958-78	8	381, 383, 400, 413, 426, 440	EPK-12	EPK-12B

	CONTINENTAL

Year	Cylinder	Application	Steel	Brass
	4	Y112	EPK-49	N/A
	4	F163	EPK-50	N/A
	6	F227	EPK-51	N/A
	6	F245	EPK-52	N/A

	CUMMINS

Year	Cylinder	Application	Steel	Brass
	8	V8 210, VT555 Head	EPK-83SS
			SS = Stainless Steel

	DETROIT DIESEL

Year	Cylinder	Application	Steel	Brass
	6	6V53 Head	EPK-84SS
	8	8V71 Block	EPK-85SS
	8	8V92 Block	EPK-86SS
			SS = Stainless Steel

	FIAT

Year	Cylinder	Application	Steel	Brass
1966-73	4	817cc, 843cc, 903cc	EPK-73	EPK-73B
1972-83	4	1290cc, 1498cc, 1765cc	EPK-36	EPK-36B

	FORD

Year	Cylinder	Application	Steel	Brass
1971-92	4	98 (1.6), 116 (1.9)	EPK-107	EPK-107B
1971-85	4	98 (1.6)	EPK-37	EPK-37B
1972-83	4	110 (1.8), 121 (2.0) Courier	EPK-41	EPK-41B
1971-74	4	122 (2.0)	EPK-38	EPK-38B
1983-89	4	122 (2.0) Truck	EPK-39	EPK-39B
1974-92	4	140 (2.3) Exc. H.S.C.	EPK-39	EPK-39B
1986-91	4	153 (2.5) H.S.C	EPK-108	EPK-108B
1974-79	6	171 (2.8)	EPK-40	EPK-40B
1963-84	6	144, 170, 200 w/ 1-3/4" Block Plugs	EPK-14	EPK-14B
1952-64	6	215, 223, 262	EPK-15	EPK-15B
1965-79	6	240, 300	EPK-16	EPK-16B
1988-89	6	179 (2.9)	EPK-109	EPK-109B
1986-92	6	180, 182 (3.0)	EPK-118	EPK-118B
1982-92	6	232 (3.8)	EPK-94	EPK-94B
1987-90	6	300 (4.9)	EPK-117	EPK-117B
1986-91	6	474 (7.8) Diesel       (Stainless Steel)	EPK-121SS
1991-92	8	281 (4.6)	EPK-122	EPK-122B
1962-92	8	221, 255, 260, 289, 302 (5.0), 351W (5.8)	EPK-17	EPK-17B
1970-82	8	351C (5.8), 351M (5.8), 400	EPK-18	EPK-18B
1958-71	8	330, 332, 352, 360, 361, 390, 406, 427, 428	EPK-19	EPK-19B
1939-62	8	239, 272, 292, 312	EPK-20	EPK-20B
1968-92	8	370, 429, 430, 460 (7.5),462	EPK-21	EPK-21B
1958-81	8	401, 475, 477, 534	EPK-27	EPK-27B
1980-88	8	421 (6.9)	EPK-97	EPK-97B

	FALCON (AUSTRALIAN)

Year	Cylinder	Application	Steel	Brass
1970-88	6	200, 250	EPK-102	EPK-102B

	GENERAL MOTORS CORPORATION

Year	Cylinder	Application	Steel	Brass
1960-77	4	305, 351, 401, 478	EPK-22	EPK-22B
1985-92	8	379 (6.2) Diesel	EPK-98	EPK-98B

	HONDA

Year	Cylinder	Application	Steel	Brass
1980-83	4	1335cc (1.3)	EPK-130	EPK-130B
1973-87	4	1488cc, 1597cc, 1751cc	EPK-42	EPK-42B
1983-89	4	1829cc (1.8), 119 (2.0)	EPK-110	EPK-110B

	HOLDEN (AUSTRALIAN)

Year	Cylinder	Application	Steel	Brass
1964-80	6	149, 161, 173, 179, 186, 208	EPK-101	EPK-101B
1970-89	8	253, 308	EPK-103	EPK-103B

	INTERNATIONAL (NAVISTAR)

Year	Cylinder	Application	Steel	Brass
	4	152, 196	EPK-55	EPK-55B
	6	269, 282, 308, 372, 406, 450, 501	EPK-24	EPK-24B
	8	266, 304, 345, 392	EPK-23	EPK-23B
		404, 446	EPK-92	EPK-92B
		DT 466     (Stainless Steel)	EPK-111SS

	M.G.

Year	Cylinder	Application	Steel	Brass
	4	(1.8) M.G.B	EPK-67	EPK-67B

	MAZDA

Year	Cylinder	Application	Steel	Brass
		1300, 1400, 1800cc	EPK-41	EPK-41B
1976-80		1272cc, 1415cc	EPK-112	EPK-112B
1979-82		1970cc	EPK-113	EPK-113B

	NISSAN (Datsun)

Year	Cylinder	Application	Steel	Brass
1971-82	4	A-12 (1.2), A-13 (1.3), A-14 (1.4), A-15 (1.5)	EPK-33	EPK-33B
1982-88	4	E-15 (1.5), E-16 (1.6)	EPK-114	EPK-114B
1967-80	4	E-16 (1.6), L-18 (1.8), L-20B (2.0)	EPK-34	EPK-34B
1969-83	6	L-24 (2.4), L-26 (2.6), L-28 (2.8), L-28E (2.8)	EPK-35	EPK-35B

	OLDSMOBILE

Year	Cylinder	Application	Steel	Brass
1982-89	4	110 (1.8), 121 (2.0)	EPK-96	EPK-96B
1985-89	4	121 (2.0)	EPK-95	EPK-95B
1986-92	4	151 (2.5)	EPK-120	EPK-120B
1978-85	4	151 (2.5)	EPK-74	EPK-74B
1980-92	6	173 (2.8)	EPK-75	EPK-75B
1991-93	6	204 (3.3)	EPK-123	EPK-123B
1989-93	6	(3.1) V-6	EPK-128	EPK-128B
1985-92	6	231 (3.8)	EPK-119	EPK-119B
1975-84	6	181, 196, 231, 252 (3.8)	EPK-53	EPK-53B
1975-82	8	260	EPK-58	EPK-58B
1968-92	8	350G (5.7), 350L (5.7)	EPK-8	EPK-8B
1968-92	8	307, 330, 350B, N, R (5.7), 400 (except 75)   425, 455	EPK-25	EPK-25B
1977-79	8	403	EPK-76	EPK-76B

	PONTIAC

Year	Cylinder	Application	Steel	Brass
1976-87	4	85 (1.4), 98 (1.6)	EPK-65	EPK-65B
1987-90	4	122 (2.0) OHC Brazil	EPK-131	EPK-131B
1982-89	4	110 (1.8), 121 (2.0)	EPK-96	EPK-96B
1985-89	4	121 (2.0), 122 (2.0) 1987 Only	EPK-95	EPK-95B
1986-92	4	151 (2.5)	EPK-120	EPK-120B
1978-85	4	151 (2.5)	EPK-74	EPK-74B
1980-92	6	173 (2.8)	EPK-75	EPK-75B
1989-93	6	(3.1) V-6	EPK-128	EPK-128B
1991-93	6	204 (3.3)	EPK-123	EPK-123B
1985-92	6	231 (3.8)	EPK-119	EPK-119B
1975-84	6	181, 196, 231, 252 (3.0), (3.8)	EPK-53	EPK-53B
1977-81	8	301 (5.0)	EPK-64	EPK-64B
1968-92	8	305, 350L (5.7)	EPK-8	EPK-8B
1968-92	8	350B, N, R, X, (5.7)	EPK-25	EPK-25B
1959-79	8	326, 350P, 389, 400, 421, 428, 455	EPK-26	EPK-26B

	RENAULT

Year	Cylinder	Application	Steel	Brass
1983-87	4	85 (4.1)	EPK-132	EPK-132B
1968-92	4	105 (1.7)	EPK-115	EPK-115B

	SATURN (G.M.)

Year	Cylinder	Application	Steel	Brass
1991-93	4	116 (1.9)	EPK-124	EPK-124B

	THERMO KING

Year	Cylinder	Application	Steel	Brass
		Isuzu Engine (Block & Head)    (Stainless Steel)	EPK-93SS

	TOYOTA

Year	Cylinder	Application	Steel	Brass
1980-89	4	1AC, 3AC (1.5), 4AC, 4ALC (1.6)	EPK-116	EPK-116B
1968-84	4	K, KC, 3K, 3KC, 4KE	EPK-43	EPK-43B
1970-83	4	2TC, 3TC	EPK-44	EPK-44B
1965-70	4	3RC	EPK-45	EPK-45B
1971-75	4	8, 18RC	EPK-46	EPK-46B
1974-85	4	20R, 22R, 22REC	EPK-68	EPK-68B
1975-87	6	2F	EPK-70	EPK-70B
1967-88	6	2M, 4M, 4ME, 5ME, 5MGE	EPK-77	EPK-77B

	TRIUMPH

Year	Cylinder	Application	Steel	Brass
1973-81	4	1500cc (1.5)	EPK-71	EPK-71B
1970-76	6	2500cc (2.5)	EPK-72	EPK-72B

	VOLKSWAGEN

Year	Cylinder	Application	Steel	Brass
1974-83	4	1500cc, 1600cc	EPK-28	EPK-28B

	VOLVO

Year	Cylinder	Application	Steel	Brass
1962-75	4	B-18 (1700cc) (1.8), B-20 (1986cc) (2.0)	EPK-47	EPK-47B
1969-90	6	B-30 (2979cc) (3.0), B-21 (2127cc) (2316cc)	EPK-48	EPK-48B

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