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General Motors & Saturn

Cylinder Heads

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Part No.
Liter
Year
Description
GMC-100
1.0
1989-91 3 Cylinder OHC Geo Metro
SUZU-101
1.0
1987-88 3 Cylinder OHC
Suzuki Motor, Fuel Injected
Cast #: S4, S6, S8
Vin #: 5, 6
SUZU-100
1.0
1985-88 3 Cylinder OHC
Suzuki Motor, Carburated
Cast #: 190, 200
Vin #: M
SUZU-109
1.3
1995-00 Suzuki 8V roller rockers Cast #: YB4
SUZU-108
1.3
1992-94 Suzuki, Geo Tracker, Carburated
Cast #: ZS, S2
Vin #: 9
GMC-102
1.4
1976-77 4 Cylinder Chevy Chevette
Cast #: 151-343
VIN #: A
GMC-101
1.4
1976-77 4 Cylinder Chevy Chevette
Cast #: 678-395
VIN #: I
ISUZ-101
1.5
1987-89 SOHC Spectrum Fuel Injected (Isuzu Motor)
Cast #: 4XC1/T
VIN #: 9
ISUZ-100
1.5
1985-89 SOHC Spectrum Carburated (Isuzu Motor)
Cast #: 4XC1
VIN #: 7, K
       
GMC-103
1.6
1976-78 4 Cylinder Chevette
Cast #: 678-395
VIN #: C
GMC-104
1.6
1979-83 4 Cylinder Open Combustion Chamber
Cast #: 151-343
VIN #: 9
GMC-298
1.6
1995-99 16 Valve SOHC Geo Tracker
       
GMC-105
1.6
1983-87 4 Cylinder Heart Shape Combustion Chamber
Cast #: 363-110
VIN #: O,E
GMC-106
1.6
1985-89 4 Cylinder SOHC Brazilian Motor
Cast #: 859
ISUZ-102
1.6
1990-91 16 Valve DOHC Isuzu Motor/ GEO Storm GSI
Cast #: 4XE1
VIN #: 5
SUZU-105
1.6
1989-96 Suzuki SOHC FI 8 Valve w/gear for distributor
Cast #: 61A, F1
VIN #: G16KC
ISUZ-104
1.6
1992-93 12 Valve SOHC Isuzu Motor/ Geo Storm
Cast #: 4XE1
VIN #: 6
TOYO-114
1.6
1989-92 16V DOHC Fuel Injected 4AFE Toyota Motor
Cast #: S54, S55
VIN #: 5
TOYO-111
1.6
1988-94 16V DOHC Fuel Injected 4AGE Toyota Motor
Cast #: S11,S46,S59
VIN #: 5,6
SUZU-106
1.6
1989-96 Suzuki SOHC FI 8 Valve w/slot on cam for distributor
Cast #: 61A, F1
VIN #: G16KC
SUZU-107
1.6
1992-99 Suzuki DOHC FI Sidekick 16V
Cast #: G16KU
TOYO-108
1.6
1983-85 OHC 8V Carburated straight valve cover (Chev. Nova)
VIN #: 4AC,4ALC
TOYO-109
1.6
1986-88 OHC 8V Carburated wavy valve cover (Chev. Nova)
Cast #: M18
VIN #: 4AC,4ALC
GMC-265
1.8
1993-94 DOHC,MPI, Prizm, Toyota
Cast #: S11
VIN #: LV6
GMC-108
1.8
1982-86 OHC GM Aluminum Just Valves
Cast #: 536
VIN #: O,J
GMC-107
1.8
1982 OHV GM Cast Iron
Cast #: 509
VIN #: O
ISUZ-105
1.8
1976-82 OHC Carburated, Chevy Luv (Isuzu Motor)
Cast #: G180
Vin #: N
ISUZ-107
1.9
1982-85 OHC Isuzu Motor/GM
(82-88 Chevy S10, Impulse)
need to know with or without smog
Cast #: G200Z
Vin #: A
GMC-110
1.9
1993-00 SOHC Saturn
Manifold/throttle injected,
2 or 3 sending unit holes at end of head
GMC-109
1.9
1990-00 DOHC Saturn Motor MFI,TBI with Manual EGR valve
Cast #: 469
GMC-109-2S
1.9
1990-00 DOHC Saturn Motor MFI,TBI 2 Sensor holes
Cast #: 937
GMC-299
1.9
  DOHC Saturn Motor MFI,TBI with Electric EGR valve
Cast #: 937
GMC-
2.0
1999-00 DOHC 16V Tracker
VIN #: C
GMC-117
2.0
1992-94 SOHC SMALL LM Aluminum D-Shaped Comb. Chamber
Cast #: 989 6
VIN #: H
GMC-116
2.0
1987-94 SOHC Small EM Aluminum Kidney Shaped Comb. Chamber
Cast #: 851-098
VIN #: K,M
GMC-115
2.0
1987-89 Push rod OHV Aluminum
Cast #: 738
VIN #: 1
GMC-114
2.0
1987-89 Push rod OHV Aluminum, without sensor hole
Cast #: 049
VIN #: 1
GMC-112
2.0
1982-86 GM Cast Iron OHV RWD
Cast #: 265
VIN #: Y
GMC-111
2.0
1982-86 GM Cast Iron OHV FWD
Cast #: 265
VIN #: B,P
GMC-113
2.0
1982-86 GM Sunbird/Skyhawk OHV Cast Iron FWD
Cast #: 041
VIN #: B,P
       
GMC-114S
2.0
1987-89 Push rod OHV Aluminum, with a sensor hole
Cast #: 049
VIN #: 1
GMC-260
2.2
1995-UP OHV Aluminum 7mm valve stem
Cast numbers # 507 # 315  # 146
GMC-118
2.2
1990-94 Aluminum push rod OHV
Cast #: 738
VIN #: G
GMC-119-4
2.2
1992-01 OHV Alum. threaded hole
4 bolts
Cast # 391
VIN #: 4
GMC-261
2.2
1992-97 GM S-10 Truck OHV Aluminum
Cast #: 391-S
GMC-119-6
2.2
1992-01 OHV Alum. open or threaded hole, 6 bolts
Cast #: 391
VIN #: 4
GMC-120
2.3
1987-94 DOHC Quad 4
Just Valves & Springs
Cast #: 955, # 573
VIN #: D
GMC-122
2.3
1989-94 DOHC Quad 4
Just Valves & Springs
Cast #: 086
VIN #: A,D
GMC-266
2.3
1988-95 DOHC Quad 4
Just Valves & Springs
Cast #: 303
VIN #: A,D
GMC-124
2.3
1992-96 SOHC Quad 4
Just Valves & Springs
Cast #: 302
VIN #: 3
GMC-125
2.3
1992-96 SOHC Quad 4
Just Valves & Springs
Cast #: 087, # 468
VIN #: 3
GMC-262
2.3
1994-UP DOHC Quad 4
Just Valves & Springs
Cast #: 753
GMC-263
2.3
1994-UP DOHC Quad 4
Just Valves & Springs
Cast #: 456
GMC-264
2.4
1996-01 DOHC Quad 4
Just Valves & Springs
Cast #: 683-18, 779
VIN #: T
GMC-135
2.5
1987 OHV Cast Iron FWD
Cast #: 496
VIN #: R
GMC-145
2.5
1989-91 OHV Cast Iron FWD
Cast #: 485
VIN #: U
GMC-144
2.5
1989-91 OHV Cast Iron RWD
Cast #: 485
VIN #: E
GMC-143
2.5
1989-91 OHV Cast Iron FWD
Cast #: 514
VIN #: R
GMC-142
2.5
1989-91 OHV Cast Iron FWD
Cast #: 514
VIN #: U
GMC-141
2.5
1989-91 OHV Cast Iron FWD
Cast #: 514
VIN #: R
GMC-140
2.5
1989 OHV Cast Iron RWD
Cast #: 642
VIN #: E/R
GMC-139
2.5
1989 OHV Cast Iron FWD
Cast #: 642
VIN #: U
GMC-138
2.5
1987-88 OHV Cast Iron FWD
Cast #: 808-655
VIN #: U
GMC-136
2.5
1987-88 OHV Cast Iron FWD
Cast #: 808-655
VIN #: R
GMC-134
2.5
1985-86 OHV Cast Iron FWD
Cast #: 767
VIN #: U
GMC-126
2.5
1979-80 OHV Cast w/crossflow & w/AIR Injection
Cast #: 702
VIN #: V,5
GMC-137
2.5
1987-88 OHV Cast Iron RWD
Cast #: 808-655
VIN #: E
GMC-133
2.5
1985-86 OHV Cast Iron RWD
Cast #: 767
VIN #: E
GMC-127
2.5
1979-80 OHV Cast w/crossflow & w/o AIR Injection
Cast #: 702
VIN #: V, 5
GMC-128
2.5
1981-83 OHV Cast w/crossflow & w/AIR Injection
Cast #: 552
VIN #: 2,5,R
GMC-129
2.5
1981-83 OHV Cast w/crossflow & w/o AIR Injection
Cast #: 552
VIN #: 2,5,R
GMC-130
2.5
1984 OHV Cast Iron FWD
Cast #: 373
VIN #: R
VIN CODES R & U = FRONT WHEEL DRIVE and VIN CODES 2, E & A = REAR WHEEL DRIVE
GMC-131
2.5
1984 OHV Cast Iron RWD
Cast #: 373
VIN #: E
GMC-132
2.5
1985-86 OHV Cast Iron FWD
Cast #: 767
VIN #: R
GMC-149
2.8
1987-90 V-6 Aluminum Fuel Injected
Cast #: 651-696-511
VIN #: W,9
GMC-146
2.8
1980-87 V6 Cast Iron 1.600 Int. Valve w/o Rotator on ex. need casting #
Cast #: 882-887-258
VIN #: X,7,1
GMC-148
2.8
1983-90 V-6 Cast Iron 1.718 Int. Valve Fuel Injected
Cast #: 327-879-884
VIN #: Z,W,S,9
GMC-147
2.8
1980-87 V6 Cast Iron 1.600 Int. Valve w/ Rotators on ex. need casting #
Cast #: 882-887-258
VIN #: X
GMC-150
3.0
1982-85 V-6 w/shaft mounted rocker arms (straight back)
Cast #: 293, 445
VIN #: E
GMC-267
3.0
1997-01 Cadillac Catera, DOHC
Cast #: 954-964
VIN #: R
GMC-151
3.0
1985-87 V-6 w/Bolt Down Rocker Arms straight back
Cast #: 863, 248, 030
VIN #: L
GMC-288
3.1
1999-01 V6 Roller Cam SFI
Cast #: 743, 769
Vin #: J, M
GMC-153
3.1
1988-94 V-6 Cast Iron FI
1.718 Int. Valve
Cast #: 327, 879, 884
VIN #: T
GMC-152
3.1
1988-94 V-6 Fuel Injected Aluminum
Cast #: 651, 696, 511, 743
VIN #: T
GMC-289
3.1
1989-90 Turbo
Cast #: 651, 696, 511
Vin #: V
GMC-155
3.3
1991-94 V-6 Cast Iron
Cast #: 619
VIN #: N
GMC-154
3.3
1989-93 V-6 Cast Iron
Cast #: 485-250-751
VIN #: N
GMC-287
3.4
1996-00 V6 OHV Aluminum
(same as 3V)
Cast #: 274, 170, 743
VIN #: D
GMC-279X
3.4
1995-97 V6 DOHC 24 Valves & Springs only
(int. & exh. hgt.1.634 -1.673)
Cast #: 274
VIN #: X
GMC-156X
3.4
1991-95 V6 DOHC 24 Valves & Springs only
(int. & exh. hgt. 1.62 -1.65)
Cast #: 274, 472
VIN #: X
GMC-286
3.4
1993-95 V-6 OHV Cast Iron
Cast #: 884, 769
VIN #: S
       
GMC-268
3.5
1998-01 LX5 DOHC
Cast #: 136
VIN #: H
GMC-161
3.8
1977-78 V-6 w/o AIR Inj. Shaft mounted rocker arms
Cast #: 661-170-722
VIN #: A
GMC-157
3.8
1980-84 V-6 Camaro 1/2" Temp. Sending Hole
Cast #: 193-595-553
VIN #: K,9
GMC-158
3.8
1980-84 V-6 Camaro 3/8" Temp. Sending Hole
Cast #: 193-595-553
VIN #: K,9
GMC-159
3.8
1975-76 V-6 w/shaft mounted rocker arms
Cast #: 175-164
VIN #: 3
GMC-160
3.8
1977-78 V-6 w/AIR Inj. Shaft mounted rocker arms
Cast #: 661-170-722
VIN #: A
GMC-163
3.8
1986-89 V-6 w/Bolt Down Rocker Arms
Cast #: 863-030-515
VIN #: B,3
GMC-162
3.8
1978-88 V-6 w/shaft mounted rocker arms
Cast #: 293-445-191
VIN #: A,3
GMC-164
3.8
1989-94 V-6 w/Bolt Down R/A Dual action springs
Cast #: 485-250-723
VIN #: C
GMC-165
3.8
1990-92 V-6 Cast Iron
VIN #: C,L
GMC-166
3.8
1990-01 V-6 Cast Iron Supercharged
5/16 Rocker Bolts
Cast #: 136
VIN #: 1
GMC-269
3.8
1995-01 3800 Supercharged
Roller Cam
Cast #: 250
VIN #: 1, 2
GMC-270
3.8
1990-01 3800 Supecharged, PCV Hole on right end of intake
Cast #: 619
VIN #: 1
GMC-290
3.8
1985-90 Cast Iron
Need Cast #
Vin #: K, L
       
GMC-167
4.1 (250)
1966-69 Straight/Inline 6 without smog
Cast #: 052-054-763
VIN #: D
GMC-168
4.1 (250)
1966-69 Straight/Inline 6 with smog
Cast #: 763-052-054
VIN #: D
GMC-169
4.1 (250)
1970-84 Straight/Inline 6 w/o smog
Cast #: 184-084
VIN #: 4
GMC-171
4.1 (250)
1975-78 Integrated 1BBL Carb. Single Valve Cover Rail
GMC-172
4.1 (250)
1975-78 Integrated 1BBL Carb. Dual Valve Cover Rail
GMC-178
4.1
1986-88 V-8 Cadillac HT4100
Cast #: 556, 558
VIN #: 8
GMC-174
4.1 (250)
1979-85 Integrated 2 BBL Carb. 5 Smog Holes on Head
Cast #: 364-499
VIN #: D
GMC-175
4.1 (252)
1980-81 V-8 Cast Iron w/smog
Cast #: 900, 293, 191
GMC-176
4.1 (252)
1982-84 V-8 Cast Iron w/smog
Cast #: 191-445
GMC-177
4.1
1982-85 V-8 Cadillac HT4100
Cast #: 910
VIN #: 8
GMC-173
4.1 (250)
1979-85 Integrated 2 BBL Carb. 4 Smog Holes on Head
Cast #: 364-499
VIN #: D
GMC-170
4.1 (250)
1970-84 Straight/Inline 6 w/smog
Cast #: 184-084
VIN #: 4
GMC-
4.2
2002 DOHC SFI
Need to know on the following head if it has screw in or press in studs.
GMC-272
4.3
1996-00 V-6 Cast Iron
Cast #: 772-140
VIN #: X
Need to know on the following head if it has screw in or press in studs.
GMC-271
4.3
1992-00 V-6 Cast Iron
Cast #: 103-772-209
VIN #: W
GMC-184
4.3
1982-85 V-6 Diesel
Cast #: 754
GMC-185
4.3
1982-85 V-6 Diesel
Cast #: 898
GMC-186
4.3
1982-85 V-6 Diesel
Cast #: 201
GMC-187
4.3
1977-82 V-8 Oldsmobile w/o AIR Injection
Cast #: 715,867,406
GMC-188
4.3
1977-82 V-8 Oldsmobile w/ AIR Injection
Cast #: 715,867,406
GMC-189
4.3
1980-81 V-8 Pontiac Engine
Cast #: 065
Need to know on the following head if it has screw in or press in studs.
GMC-182
4.3
1992-00 V-6 Cast Iron 3/8" EX. Valve Stem
Cast #: 181,262,064
VIN #: Z
Need to know on the following head if it has screw in or press in studs.
GMC-181
4.3
1987-91 V-6 Cast Iron Gas w/Detonation Hole
Cast #: 067
VIN #: Z
Need to know on the following head if it has screw in or press in studs.
GMC-180
4.3
1987-91 V-6 Cast Iron Gas
Cast #: 768,996,103
VIN #: Z
Need to know on the following head if it has screw in or press in studs.
GMC-179
4.3
1985-86 V-6 Cast Iron Gas
Cast #: 268,248
VIN #: N,Z
Need to know on the following head if it has screw in or press in studs.
GMC-183
4.3
1992-00 V-6 Cast Iron 11/32" EX. Valve Stem
Cast #: 181, 262, 064
VIN #: W, Z
GMC-191
4.4
1979-82 V-8 GM 5/8" Temp. Sending Unit Hole
Cast #: 513,415,601
GMC-190
4.4
1979-82 V-8 GM 1/2" Temp. Sending Unit Hole
Cast #: 513,415,601
GMC-193
4.5
1989-92 V-8 Cast Iron Cadillac Alante Only
Cast #: 739, 820
VIN #: 8
GMC-192
4.5
1988-89 V-8 Cast Iron Cadillac
Cast #: 614, 693
VIN #: 5
GMC-194
4.6
1993 V-8 Cadillac Alante
VIN #: 9
GMC-273
4.6
1993-00 Northstar, DOHC
Cast #: 489
VIN #: 9
GMC-274
4.6
1994-00 Northstar, DOHC
Cast #: 488
VIN #: Y
GMC-281
4.8 (292)
1963-69 Straight/Inline 6 without smog
Cast #: 052-054-763
VIN #: D
GMC-282
4.8 (292)
1963-69 Straight/Inline 6 with smog
Cast #: 052-054-763
VIN #: D
GMC-283
4.8 (292)
1970-90 Straight/Inline 6 without smog
Cast #: 184-084
VIN #: 4
GMC-284
4.8 (292)
1970-90 Straight/Inline 6 with smog
Cast #: 184-084
VIN #: 4
GMC-291
4.8
1999-01 C & K Truck
Cast #: 862
Vin #: V
       
GMC-198
4.9
1992 V-8 FWD Cadillac P.F.I
Cast #: 1
VIN #: B
GMC-197
4.9
1991-95 V-8 FWD Cadillac P.F.I.
Cast #: 452, 820
VIN #: 8
GMC-195
4.9
1977-81 V-8 Pontiac without smog
VIN #: W, T
GMC-196
4.9
1977-81 V-8 Pontiac with smog
VIN #: W, T
GMC-296
5.0
1988-92 Camaro TBI
Cast #: 859
Vin #: E
GMC-207
5.0 (307)
1985-86 V-8 Round exhaust ports
Cast #: 142
GMC-206
5.0 (307)
1980-84 V-8 Square exhaust ports w/ smog
Cast #: 317
GMC-205
5.0 (307)
1980-84 V-8 Square exhaust ports w/o smog
Cast #: 317
GMC-204
5.0 (305)
1990-95 V-8 Fuel Injected HB
Cast #: 081, 187
VIN #: E,F,G
GMC-275
5.0 (305)
1996-99 GM,V8, High Rail VORTEC
Cast #: 520, 113, 059
GMC-203
5.0 (305)
1978-86 V-8 1.84" Int. Valve
3/8" Temp. Sending Unit
7 BOLT. EX
Cast #: 601
VIN #: G, H
GMC-202
5.0 (305)
1978-86 V-8 1.84" Int. Valve
3/8" Temp. Sending Unit
7 BOLT. EX
Cast #: 301-450-416
VIN #: F,G,H,U,7
GMC-201
5.0 (305)
1978-86 V-8 1.84" Int. Valve
1/2" Temp. Sending Unit
7 BOLT. EX
Cast #: 301-450-416
VIN #: F,G,H,U,7
GMC-200
5.0 (305)
1978-86 V-8 1.72" Int. Valve
1/2" Temp. Sending Unit
7 BOLT. EX.
Cast #: 301-450-416
VIN #: F,G,H,U,7
GMC-199
5.0 (305)
1976-79 V-8 6 Bolt Exhaust Manifold
Cast #: 434-741
VIN #: H
GMC-292
5.3
1999-01 C & K Truck
Cast #: LM7
Vin #: T
GMC-212
5.7 (350)
1980-86 1.72" Int. Valve 7 Manifold Bolts
Cast #: 642-624-114
VIN #: 6
GMC-226
5.7 (350)
1978-85 V-8 Diesel press in injectors
Cast #: 3948
GMC-213
5.7 (350)
1987-92 1.94" Int.valve, FI, HR/HB, valve cover bolts in middle
Cast #: 191-193-810
VIN #: 7,8
GMC-221
5.7 (350)
1974-81 V-8 Olds w/o AIR Injection
Cast #: 452-238-861
VIN #: H,J,X
GMC-220
5.7 (350)
1977-80 V-8 Olds w/AIR Injection-3A
Cast #: 716
VIN #: R
GMC-219
5.7 (350)
1977-80 V-8 Olds w/o AIR Injection-3A
Cast #: 716
VIN #: R
GMC-225
5.7 (350)
1978-85 V-8 Diesel screw in injectors
Cast #: 3948
GMC-217
5.7 (350)
1968-76 V-8 Olds w/o AIR Injection
Cast #: 742-147-929
VIN #: R
GMC-277
5.7 (350)
1996-01 V8 Vortec, Truck, L31 valve cover bolts in middle high back
Cast #: 906-062
VIN #: R
GMC-277N
5.7 (350)
1996-01 V8 Vortec, Truck, L31 valve cover bolts in middle high back
New Casting
Cast #: 906-062
       
GMC-222
5.7 (350)
1974-81 V-8 Olds w/AIR Injection
Cast #: 452-238-861
VIN #: H,J,X
GMC-214
5.7 (350)
1987-92 1.72" Int.valve,FI, HB/HR, valve cover bolts in middle
Cast #: 191-193-810
VIN #: 7,8
GMC-218
5.7 (350)
1968-76 V-8 Olds w/AIR Injection
Cast #: 742-147-929
VIN #: R
       
GMC-276
5.7 (350)
1997-99 V8 Corvette, Aluminum Block
Cast #: 512-513
VIN #: G
GMC-211
5.7 (350)
1980-86 1.94" Int. Valve 7 Manifold bolts
Cast #: 642-624-114
VIN #: 6
GMC-210
5.7 (350)
1977-79 1.72" Int. Valve w/Tapered spark plugs 6 bolt
Cast #: 339-991
VIN #: L,4
GMC-209
5.7 (350)
1977-79 1.94" Int. Valve w/Tapered spark plugs 6 bolt
Cast #: 487-882-993
VIN #: L,4
GMC-208
5.7 (350)
1968-76 1.94" Int. Valve w/gasket type spark plugs 6 Bolt
Cast #: 441-492
GMC-215
5.7 (350)
1968-72 Cast Iron PONTIAC
Cast #: 17,18,94
GMC-223
5.7 (350)
1978-85 V-8 Diesel screw in injectors
Cast #: 7709
GMC-216
5.7 (350)
1973-77 Cast Iron PONTIAC
Cast #: 4X,6X,46,6H
VIN #: P
GMC-224
5.7 (350)
1978-85 V-8 Diesel press in injectors
Cast #: 7709
       
GMC-293
6.0 (364)
1999-01 C & K Truck
Cast #: 873
Vin #: U
GMC-230
6.0 (366)
1991-96 Truck Applications
Cast #: 140
GMC-227
6.0 (366)
1966-84 Chev Big Block V-8 Closed Combustion Chamber
Cast #: Need #
GMC-228
6.0 (366)
1966-84 Chev Big Block V-8 Open Combustion Chamber
Cast #: Need #
GMC-229
6.0 (366)
1985-90 Big Block V-8 Closed Comb. Chamber Need Casting#
Cast #: 359-052
GMC-233
6.2
1982-83 V-8 Diesel 1.811" Int.& 1.654" Ex. Valve Course Thread Injectors
Cast #: 901
GMC-234
6.2
1982-83 V-8 Diesel 1.811" Int.& 1.495" Ex. Valve Course Thread Injectors
Cast #: 901
GMC-235
6.2
1982-91 V-8 Diesel 1.968" Int.& 1.654" Ex. Valves Fine Thread Injectors
Cast #: 299-162
GMC-236
6.2
1982-91 V-8 Diesel 1.811" Int.& 1.654" Ex. Valves Fine Thread Injectors
Cast #: 299-162
GMC-232
6.2
1982-83 V-8 Diesel 1.968" Int.&1.495" Ex. Valves Course Thread Injectors
Cast #: 901
GMC-231
6.2
1982-83 V-8 Diesel 1.968" Int. & 1.654" Ex. Valves Course Thread Injectors
Cast #: 901
VIN #:
GMC-237
6.2
1982-91 V-8 Diesel 1.811" Int.& 1.495" Ex. Valves Fine Thread Injectors
Cast #: 299-162
GMC-278
6.5
1992-99 V8 Diesel (injectors truck= 90 van=45 degrees)
Cast #: 567-901-299
       
GMC-278N
6.5
1992-99 V8 Diesel truck
New Casting
Cast #: 567
GMC-243
6.6 (400)
1978-80 V-8 1.72" Intake Valve
Cast #: 624-642
VIN #: R
GMC-242
6.6 (400)
1978-80 V-8 1.94" Intake Valve
Cast #: 624-642
VIN #: R
GMC-241
6.6 (400)
1976-77 V-8 1.72" Intake Valve
Cast #: 882-997
VIN #: R
GMC-240
6.6 (400)
1976-77 V-8 1.94" Intake Valve
Cast #: 882-997
VIN #: R
GMC-239
6.6 (400)
1970-75 V-8 1.72" Intake Valve
Cast #: 114
VIN #: R,U
GMC-245
6.6 (400)
1972-76 V-8 Pontiac Motor
Cast #: 4X,6X,6H
GMC-246
6.6 (403)
1977-79 V-8 w/AIR Injection Olds
Cast #: 717
VIN #: K,S
GMC-238
6.6 (400)
1970-75 V-8 1.94" Intake Valve
Cast #: 114
VIN #: R,U
GMC-247
6.6 (403)
1977-79 V-8 w/o AIR Injection Olds
Cast #: 717
VIN #: K,S
GMC-244
6.6 (400)
1970-71 V-8 Pontiac Motor
Cast #: 96,99
GMC-248
7.0
1977-79 V-8 w/AIR Injection Cadillac
Cast #: 112-453
GMC-249
7.0
1977-79 V-8 w/o AIR Injection Cadillac
Cast #: 112-453
GMC-
7.0 (427)
1991-96 Gen V V8 Cast Iron
Vin #: M
GMC-
7.0 (427)
1966-90 Gen IV V8 Cast Iron
Vin #: L
GMC-297
7.4 (454)
1999-01 Medium Duty Truck
Cast #: 241
Vin #: D
       
GMC-254
7.4 (454)
1991-00 Big Block Round Intake Ports FI
Cast #: 156
VIN #: N
GMC-253
7.4 (454)
1988-91 Big Block Round Intake Ports FI
Cast #: 360
VIN #: N
GMC-252
7.4 (454)
1975-87 Big Block Round Intake Ports
Cast #: 236-045
VIN #: N,W
GMC-251
7.4 (454)
1970-74 2.065" Int. Valve-Oval Intake Ports
Cast #: 781-049-292
VIN #: N,W
GMC-250
7.4 (454)
1970-72 2.065" Int. Valve-Oval Intake Ports
Cast #: 820-241-236
VIN #: N,W
GMC-257
7.5 (455)
1971-76 BIG BLOCK
Cast #: 7M5
GMC-258
7.5 (455)
1972-76 BIG BLOCK
Cast #: 191-100-409
GMC-256
7.5 (455)
1970-71 BIG BLOCK
Cast #: 149-661
GMC-255
7.5 (455)
1968-71 BIG BLOCK
Cast #: 921
GMC-259
7.5 (455)
1972-76 BIG BLOCK
Cast #: 922-148-322

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