Use these
casting numbers to identify the heads you
have.
Small Block
Casting numbers
|
Casting
Number
|
CID
|
Years
|
Valves
|
Comments
|
|
10065202
|
350
|
82-86
|
1.94/1.50
|
76cc
|
|
10065203
|
350
|
82-86
|
1.94/1.50
|
76cc
|
|
10065204
|
350
|
82-86
|
1.94/1.50
|
76cc
|
|
10065205
|
305
|
82-86
|
1.84/1.50
|
58cc
|
|
10065206
|
350
|
82-86
|
1.94/1.50
|
76cc
|
|
10065207
|
305
|
82-86
|
1.84/1.50
|
58cc
|
|
10088113
|
350
|
86-92
|
1.94/1.50
|
58cc
Corvette Aluminum
|
|
10120928
|
350
|
87-94
|
1.94/1.50
|
76cc
|
|
10125320
|
350
|
94-96
|
2.00/1.55
|
Gen
II LT1 cast iron version,
|
|
10128374
|
350
|
92-97
|
2.00/1.55
|
Gen
II LT1 53 CC angle plug aluminum
|
|
10134363
|
Bowtie
High Port 60 CC 210 ~ 258 CC
|
|||
|
10159550
|
350
|
87-94
|
1.94/1.50
|
76cc
|
|
10159551
|
305
|
87-94
|
1.84/1.50
|
58cc
|
|
10159552
|
350
|
87-94
|
1.94/1.50
|
76cc
|
|
10159553
|
305
|
87-94
|
1.84/1.50
|
58cc
|
|
10185040
|
Splayed
vavle head 45 CC angle plug
|
|||
|
10205245
|
350
|
93
|
2.00/1.55
|
Gen
II LT1 angle plug aluminum reverse
flow cooling 175/68cc ports
|
|
10207643
|
350
|
94-97
|
2.00/1.55
|
Gen
II LT1 angle plug aluminum reverse
flow cooling 175/68cc ports
|
|
10208890
|
265
|
94-96
|
2.00/1.55
|
Gen
II L99 4.3 Liter V-8, cast iron,
reverse flow
|
|
10215339
|
346
|
97
|
2.00/1.55
|
Gen
III LS1 aluminum 68cc
|
|
10239906
|
305/350
|
96-up
|
1.94/1.50
|
68cc
Vortec
|
|
12367713
|
2.00/1.55
|
GM
Fast burn 62 CC 210 CC intake runner
angle plug Vortec
|
||
|
12480005
|
346
|
0
|
2.125/1.625
|
Gen
III LS1 "GTZ" aluminum
38cc angle plug
|
|
12480011
|
SB2.2
head 48 ~ 54 CC angle plug 284 CC
intake runner Bare heads.
|
|||
|
12480034
|
2.02/1.60
|
Bowtie
Phase III 64cc Angle plug 184 cc
intake runner
|
||
|
12506450
|
350
|
87-94
|
1.94/1.50
|
76cc
|
|
12509859
|
305
|
87-94
|
1.84/1.50
|
58cc
|
|
12516852
|
350
|
87-94
|
1.94/1.50
|
76cc
|
|
12551561
|
350
|
96
|
2.00/1.55
|
Gen
II LT1 angle plug aluminum reverse
flow cooling
|
|
12552520
|
305
|
97-99
|
1.84/1.5
|
Vortec
Truck L-35
|
|
12554290
|
350
|
94-96
|
2.00/1.55
|
Gen
II LT1 cast iron version
|
|
12555690
|
350
|
96
|
2.00/1.55
|
Gen
II LT-4 55 CC 195 CC intake runner
Angle Plug
|
|
12555690
|
350
|
96
|
2.00/1.55
|
Gen
II LT-4 55 CC 195 CC intake runner
Angle Plug
|
|
12556743
|
325
|
99
& UP
|
2.00/1.55
|
Gen
III 5.3L aluminum truck and van
|
|
12558059
|
305
|
97
|
1.84/1.5
|
L-35
Vortec truck
|
|
12558062
|
350
|
98
|
1.94/1.5
|
L-31
Vortec truck 64cc chambers 170cc
intake port
|
|
12558062
|
305/350
|
96-up
|
1.94/1.50
|
68cc
Vortec
|
|
12558806
|
346
|
97-98
|
2.00/1.55
|
Gen
III LS1 aluminum 68cc
|
|
12559853
|
346
|
99
& UP
|
2.00/1.55
|
Gen
III LS1 aluminum 68cc
|
|
12559895
|
325
|
00
& UP
|
2.00/1.55
|
Gen
III 5.3L aluminum
|
|
12564241
|
346
|
00
& UP
|
2.00/1.55
|
Gen
III LS1 aluminum 68cc
|
|
12564243
|
346
|
2
|
2.00/1.55
|
Gen
III LS6 aluminum 68cc
|
|
12564243
|
346
|
2.00/1.55
|
Gen
III LS-6 vette head 65 CC
|
|
|
14008856
|
267
|
79-81
|
1.71/1.50
|
|
|
14010201
|
305
|
82-85
|
1.84/1.50
|
58cc
|
|
14011034
|
350
|
80-up
|
2.02/1.60
|
64cc
Bowtie
|
|
14011049
|
350
|
82-up
|
2.02/1.60
|
64cc
Bowtie Aluminum
|
|
14014415
|
267/305
|
80-85
|
1.71/1.50
|
64cc
Crack prone
|
|
14014416
|
267/305/350
|
80-86
|
1.84/1.50
|
64cc
Crack prone
|
|
14019821
|
350
|
80-86
|
1.84/1.50
|
76cc
|
|
14019924
|
267
|
79-81
|
1.71/1.50
|
|
|
14019926
|
305
|
80-86
|
1.84/1.50
|
|
|
14020516
|
305/350
|
80-86
|
1.84/1.50
|
|
|
14020517
|
350
|
80-86
|
1.84/1.50
|
76cc
|
|
14020555
|
305
|
81
|
||
|
14020556
|
350
|
81
|
||
|
14022206
|
350
|
80
|
1.94/1.50
|
76cc
|
|
14022301
|
305
|
80-86
|
1.84/1.50
|
58cc
|
|
14022601
|
267/305
|
79-86
|
1.72/1.50
1.84/1.50
|
58cc
|
|
14022801
|
305
|
80-86
|
1.72/1.50
|
58cc
|
|
14034806
|
267
|
78-82
|
1.72/1.50
|
|
|
14034807
|
305
|
78-82
|
1.72/1.50
|
|
|
14034808
|
350
|
80-86
|
1.84/1.50
|
76cc
|
|
14034810
|
350
|
80-86
|
||
|
14034811
|
350
|
80-86
|
||
|
14039121
|
305
|
81-86
|
||
|
14039122
|
305
|
81-86
|
||
|
14071114
|
350
|
80-86
|
||
|
14075381
|
350
|
80-86
|
||
|
14079261
|
350
|
82-85
|
||
|
14085844
|
350
|
80-86
|
||
|
14089119
|
350
|
80-86
|
||
|
14096217
|
350
|
90-up
|
1.94/1.50
|
64cc
Crate heads
|
|
14101081
|
305
|
87-94
|
1.84/1.50
|
58cc
|
|
14101083
|
350
|
88-94
|
1.94/1.50
|
64
cc
|
|
14102187
|
305
|
87-95
|
1.84/1.50
|
58cc
|
|
14102191
|
305/350
|
87-95
|
1.84/1.50
|
|
|
14102193
|
305/350
|
87-95
|
1.84/1.50
|
|
|
24502559
|
96-97
|
Bowtie
SB2 1st design"mirror
ports" aluminum
|
||
|
25534351C
|
2.00/1.55
|
Vortec
Bowtie 65 CC 175 cc intake runner
|
||
|
25534371C
|
2.00/1.55
|
Vortec
Bowtie 65 CC 206 cc intake runner
|
||
|
3238882
|
350
|
68-69
|
1.94/1.50
|
76cc
|
|
3297185
|
307/327/350
|
57-67
|
1.72/1.50
|
|
|
330545
|
350/400
|
71-75
|
2.02/1.60
|
76cc
|
|
330862
|
400
|
71-73
|
1.94/1.50
|
|
|
333881
|
350
|
71-76
|
2.02/1.60
|
76cc
|
|
333882
|
350/400
|
70-80
|
1.94/1.50
|
76cc
|
|
340292
|
350
|
73-80
|
2.02/1.60
|
64cc
Angle plugs turbo' head No heat
riser
|
|
354434
|
262/305
|
75-80
|
1.72/1.50
|
60cc
|
|
358741
|
262/305
|
71--79
|
1.72/1.50
|
|
|
359944
|
350
|
71-79
|
1.94/1.50
|
76cc
|
|
3636839
|
265
|
55
|
1.72/1.50
|
|
|
3703523
|
265
|
55
|
1.72/1.50
|
195HP
|
|
3713358
|
265
|
55-56
|
1.72/1.50
|
|
|
3713569
|
265
|
55-56
|
1.72/1.50
|
|
|
3725306
|
265
|
56
|
1.72/1.50
|
210HP
Corvette
|
|
3731262
|
265
|
56
|
1.72/1.50
|
Dual
Quad Corvette
|
|
3731539
|
283
|
57-66
|
1.72/1.50
|
283HP
Corvette
|
|
3731544
|
265/283
|
55-61
|
1.72/1.50
|
Dual
Quad Corvette
|
|
3731554
|
265/283
|
55-63
|
1.72/1.50
|
|
|
3731556
|
283
|
57
|
1.72/1.50
|
|
|
3731762
|
265
|
56
|
1.72/1.50
|
Dual
Quad Corvette
|
|
3737775
|
283/327
|
62-67
|
1.72/1.50
|
|
|
3740997
|
283
|
57
|
1.72/1.50
|
Dual
Quad FI & 4-brl 220-270HP
|
|
3743056
|
283
|
58
|
1.72/1.50
|
|
|
3743096
|
327
|
62-67
|
1.72/1.50
|
|
|
3747363
|
265
|
57-62
|
1.72/1.50
|
|
|
3748056
|
327
|
62-67
|
1.72/1.50
|
|
|
3748720
|
283
|
57-58
|
1.72/1.50
|
Dual
Quad FI & 4-brl Corvette
|
|
3748770
|
283
|
55-62
|
1.72/1.50
|
Dual
Quad FI & 4-brl Corvette
|
|
3748772
|
283
|
57-62
|
1.72/1.50
|
Dual
Quad FI & 4-brl Corvette
|
|
3755537
|
283
|
57-62
|
1.72/1.50
|
|
|
3755538
|
283
|
59
|
1.72/1.50
|
250-290HP
FI Corvette
|
|
3755539
|
283
|
58-62
|
1.72/1.50
|
|
|
3755549
|
283
|
57-62
|
1.72/1.50
|
|
|
3755550
|
283
|
57-62
|
1.72/1.50
|
Dual
Quad FI & 4-brl Corvette
|
|
3755585
|
327
|
62-67
|
1.72/1.50
|
|
|
3755896
|
283
|
62-64
|
1.72/1.50
|
|
|
3760116
|
283
|
59
|
1.72/1.50
|
Dual
Quad FI & 4-brl Corvette
|
|
376445
|
350
|
80-84
|
1.72/1.50
|
|
|
376450
|
262/305
|
75-76
|
1.72/1.50
|
|
|
376495
|
350
|
Jun-79
|
1.94/1.50
|
76cc
|
|
3767460
|
265/283/327
|
55-67
|
1.72/1.50
|
Car
& Truck Corvette
|
|
3767462
|
327
|
62-67
|
1.72/1.50
|
|
|
3767465
|
283
|
60-61
|
1.72/1.50
|
Dual
Quad FI & 4-brl Corvette
|
|
3767754
|
283
|
60-61
|
1.72/1.50
|
|
|
3767792
|
283
|
60-67
|
1.72/1.50
|
|
|
3770126
|
327/350
|
67-70
|
1.94/1.50
|
|
|
3773012
|
265
|
55
|
1.72/1.50
|
|
|
3774634
|
327
|
64-67
|
1.72/1.50
|
|
|
3774682
|
283/327
|
60-67
|
1.72/1.50
|
|
|
3774684
|
283/327
|
57-67
|
1.72/1.50
|
|
|
3774690
|
283
|
58
|
1.72/1.50
|
FI
Corvette
|
|
3774692
|
283
|
58-64
|
1.72/1.50
|
Dual
Quad FI & 4-brl Corvette
|
|
3782461
|
302/327/350
|
61-70
|
1.94/1.50
|
Dual
Quad FI & 4-brl Corvette
2.02/1.60 Doubble humps 64cc
|
|
3782462
|
327
|
67
|
1.94/1.50
|
Corvette
2.02/1.60
|
|
3792563
|
327
|
65-67
|
||
|
3795896
|
283/307/327
|
58-72
|
1.72/1.50
|
60cc
|
|
3796896
|
283
|
64-67
|
1.72/1.50
|
60cc
Chevy II
|
|
3798996
|
327
|
63-67
|
||
|
3814462
|
350
|
67
|
1.94/1.50
|
|
|
3814480
|
283/327
|
60-67
|
1.72/1.50
|
|
|
3814482
|
327
|
62-67
|
1.72/1.50
|
|
|
3817680
|
283
|
59
|
1.72/1.50
|
FI
4-brl
|
|
3817681
|
327
|
62-67
|
1.72/1.50
|
|
|
3817682
|
283
|
61-62
|
1.72/1.50
|
|
|
3836839
|
265
|
55
|
1.72/1.50
|
|
|
3836842
|
283/327
|
57-67
|
1.72/1.50
|
|
|
3836924
|
283
|
63-64
|
1.72/1.50
|
|
|
3836942
|
283
|
58-62
|
1.72/1.50
|
|
|
3837063
|
283
|
58-62
|
1.72/1.50
|
|
|
3837064
|
265/283
|
56-62
|
1.72/1.50
|
|
|
3837065
|
265
|
55-56
|
1.72/1.50
|
|
|
3837775
|
283/327
|
62-67
|
1.72/1.50
|
|
|
383882
|
400
|
71-73
|
||
|
3848720
|
283
|
57-58
|
1.72/1.50
|
|
|
3849820
|
327
|
65
|
1.72/1.50
|
|
|
3854520
|
283/327
|
62-67
|
1.72/1.50
|
|
|
3867802
|
283
|
57-60
|
1.72/1.50
|
FI
Corvette
|
|
3873064
|
265
|
56-57
|
1.72/1.50
|
|
|
3876487
|
350
|
71-73
|
1.94/1.50
|
76cc
|
|
3876775
|
283/327
|
57-67
|
1.72/1.50
|
76cc
|
|
3878775
|
327
|
64-67
|
1.72/1.50
|
|
|
3884520
|
283/327
|
60-67
|
1.72/1.50
|
60cc
|
|
3890462
|
302/327/350
|
62-68
|
1.94/1.50
2.02/1.60
|
64cc
Doubble humps
|
|
3891462
|
302/327/350
|
62-67
|
1.94/1.50
2.02/1.60
|
64cc
|
|
3891492
|
327
|
64-67
|
1.94/1.50
|
|
|
3911011
|
327
|
68
|
||
|
3911032
|
307/327
|
68-70
|
1.72/1.50
|
70cc
|
|
3912264
|
283
|
58-62
|
1.72/1.50
|
|
|
3912265
|
283
|
63-64
|
1.72/1.50
|
|
|
3912291
|
302/327/350
|
68-70
|
1.94/1.50
2.02/1.60
|
64ccDoubble
humps
|
|
3912311
|
350
|
67
|
1.94/1.50
|
|
|
3912313
|
327
|
65-73
|
1.72/1.50
|
|
|
3917264
|
302
|
67
|
2.02/1.60
|
64cc
Z-28
|
|
3917290
|
327
|
68-70
|
1.72/1.50
|
|
|
3917291
|
302/327/350
|
62-69
|
1.94/1.50
2.02/1.60
|
64cc
Doubble humps
|
|
3917292
|
327
|
67-68
|
1.94/1.50
|
|
|
3917293
|
307/327
|
68-69
|
1.72/1.50
|
76cc
|
|
3921175
|
327
|
66
|
1.94/1.50
|
|
|
3923441
|
350
|
67-76
|
1.94/1.50
|
76cc
|
|
3927185
|
307/327/350
|
68-79
|
1.72/1.50
|
70cc
|
|
3927186
|
302/327/350
|
68-72
|
1.94/1.50
2.02/1.60
|
64cc
Doubble humps Bolt holes
|
|
3927187
|
302/350
|
69-70
|
2.02/1.60
|
64cc
Corvette
|
|
3927188
|
307/327/350
|
69
|
1.72/1.50
|
76cc
|
|
3928454
|
307
|
68
|
1.72/1.50
|
|
|
3928455
|
302/327
|
68
|
2.02/1.60
|
64cc
325 & 350HP
|
|
3928494
|
327
|
68
|
2.02/1.60
|
64cc
350HP 4-brl
|
|
3928495
|
327
|
68
|
1.72/1.50
|
|
|
3931633
|
307
|
68-73
|
1.72/1.50
|
|
|
3931635
|
350
|
68-76
|
1.94/1.50
|
76cc
|
|
3931637
|
327
|
68-69
|
||
|
3931638
|
327
|
68
|
1.72/1.50
|
|
|
3931639
|
302
|
68
|
2.02/1.60
|
64cc
|
|
3932441
|
327/350
|
67-79
|
1.94/1.50
|
76cc
|
|
3932454
|
307/350
|
68-799
|
1.72/1.50
|
76cc
|
|
3933148
|
350
|
68-73
|
76cc
|
|
|
3941174
|
327
|
68
|
1.72/1.50
|
|
|
3946812
|
350
|
69
|
1.72/1.50
|
|
|
3946813
|
350
|
69-79
|
76cc
|
|
|
3947014
|
350
|
68-70
|
||
|
3947040
|
302/327/350
|
68-70
|
1.94/1.50
2.02/1.60
|
64cc
|
|
3947041
|
302/327/350
|
68-79
|
1.94/1.50
2.02/1.60
|
64cc
|
|
3951598
|
400
|
70-71
|
1.94/1.50
|
76cc
|
|
3961598
|
400
|
70-76
|
1.94/1.50
|
76cc
|
|
3964286
|
350
|
68-77
|
1.94/1.50
|
76cc
|
|
3970126
|
327/350
|
67-79
|
1.72/1.50
|
|
|
3973195
|
400
|
71-73
|
1.94/1.50
|
76cc
|
|
3973414
|
327/350
|
64-70
|
2.02/1.60
|
64cc
Z-28 LT-1 corvette
|
|
3973487
|
350
|
68-79
|
1.94/1.50
2.02/1.60
|
76cc
|
|
3973487X
|
350
|
68-73
|
1.94/1.50
2.02/1.60
|
76cc
X cast 10cc's
|
|
3973493
|
400
|
70-76
|
1.94/1.50
|
76cc
|
|
3986316
|
350
|
71-72
|
2.02/1.60
|
76cc
|
|
3986330
|
350
|
69-79
|
1.94/1.50
|
76cc
|
|
3986339
|
307/350
|
68-79
|
1.72/1.50
|
76cc
|
|
3986388
|
350
|
68-79
|
1.72/1.50
|
76cc
|
|
3990941
|
307/350
|
68-82
|
||
|
3991492
|
327/350
|
68-73
|
1.94/1.50
2.02/1.60
|
64cc
Angle plug
|
|
399380
|
400
|
70-73
|
76cc
|
|
|
3997417
|
307
|
71
|
1.72/1.50
|
|
|
3998916
|
350/400
|
72-75
|
2.02/1.60
|
76cc
|
|
3998920
|
350
|
72-75
|
1.94/1.50
|
76cc
|
|
3998991
|
307/350
|
68-79
|
1.72/1.50
|
76cc
|
|
3998993
|
307/350
|
68-79
|
1.71/1.50
1.94/1.50
|
76cc
|
|
3998997
|
350/400
|
71-73
|
1.94/1.50
|
76cc
|
|
426424
|
305/350/400
|
72-82
|
1.72/1.50
|
|
|
458624
|
350
|
69-84
|
1.94/1.50
|
76cc
|
|
460703
|
350
|
78-80
|
1.94/1.50
|
76cc
|
|
462614
|
305/350
|
77-79
|
1.72/1.50
|
|
|
462624
|
350
|
76-87
|
1.94/1.50
2.02/1.60
|
76cc
Crack prone
|
|
464033
|
350
|
76-86
|
1.94/1.50
|
76cc
|
|
464036
|
350
|
76-86
|
1.94/1.50
|
76cc
|
|
468642
|
350/400
|
75-84
|
1.72/1.50
|
|
|
471513
|
267
|
79-81
|
1.72/1.50
|
|
|
472424
|
305
|
76-79
|
1.72/1.50
|
|
|
474213
|
305
|
78-82
|
1.72/1.50
|
|
|
474214
|
350
|
78-82
|
1.94/1.50
|
76cc
|
|
475590
|
400
|
78-82
|
1.94/1.50
|
76cc
|
|
517513
|
267
|
79-81
|
1.72/1.50
|
|
|
6259515
|
350
|
73
|
||
|
6260855
|
350
|
73-75
|
1.94/1.50
|
76cc
|
|
6260856
|
350
|
73-76
|
1.94/1.50
|
76cc
|
|
6272070
|
350
|
73
|
||
|
10045427
|
Pontiac/Chevy
Aluminum, 91cc chamber Large
Rectangle Port
|
|||
|
10049875
|
Pontiac/Chevy
Aluminum Small Rectangle port
|
|||
|
10051128
|
454
|
90-94
|
2.19/1.88
|
72cc
Bowtie Aluminum Rectangular port
400cc intake
|
|
10052902
|
427
|
Oval
Port Open chamber
|
||
|
10101136
|
454
|
91-94
|
2.06/1.77
|
Open
chamber Oval port
|
|
10101140
|
366/427
|
91-01
|
Oval
Port Closed chamber
|
|
|
10114156
|
454
|
91-01
|
Oval
Port Open chamber
|
|
|
10121033
|
454
|
78-88
|
2.06/1.77
|
Open
chamber Oval port
|
|
10141279
|
454
|
96-01
|
Vortec
7400 100cc chambers Oval Port
|
|
|
10487052
|
366
|
77-90
|
Oval
Port Open chamber
|
|
|
12352783
|
454
|
79-93
|
2.06/1.77
|
Open
chamber Oval port
|
|
12363391
|
Oval
Port Bowtie Aluminum Signature
Series
|
|||
|
12363401
|
Rectangle
Port Bowtie Aluminum Signature
Series
|
|||
|
12558162
|
496
|
01
& UP
|
Gen.VII
Vortec 8100 8.1L truck
|
|
|
12560241
|
454
|
98-01
|
Vortec
7400 100cc chambers Oval Port
|
|
|
12562932
|
454/502
|
91-95
|
Oval
Port truck crate motor 118cc
chambers
|
|
|
12562934
|
502
|
00
& UP
|
GenVI
Marine
|
|
|
14011077
|
454
|
89-94
|
2.19/1.88
|
118cc
Replacement Aluminum Rectangular
port 295cc intake
|
|
14025175
|
454
|
83-93
|
2.06/1.77
|
Open
chamber Oval port
|
|
14044861
|
454
|
89-94
|
2.19/1.88
|
106cc
Bowtie Aluminum Rectangular port
380cc intake
|
|
14081044
|
454
|
86-90
|
2.06/1.77
|
Open
chamber Oval port
|
|
14081045
|
454
|
78-87
|
Oval
Port Open chamber
|
|
|
14081052
|
366/427/454
|
85-87
|
Oval
Port Open chamber
|
|
|
14092359
|
427
|
86-89
|
2.06/1.77
|
Open
chamber Oval port
|
|
14092360
|
454
|
85-89
|
2.06/1.77
|
Open
chamber Oval port
|
|
14096188
|
454
|
87-94
|
2.19/1.88
|
118cc
Replacement Rectangular port 325cc
intake
|
|
14097088
|
502
|
89-date
|
2.19/1.88
|
118cc
Replacement Rectangular port 325cc
intake GEN V
|
|
14101398
|
454
|
86-90
|
2.06/1.77
|
Open
chamber Oval port
|
|
24502585
|
Olds/Chevy
DRCE 2 Pro Stock aluminum
|
|||
|
330864
|
366/427/454
|
70-81
|
2.06/1.77
|
Open
chamber Oval port
|
|
330865
|
366/427/454
|
70-84
|
2.06/1.77
|
Open
chamber Oval port
|
|
330866
|
366/427
|
68-78
|
Oval
Port Open chamber
|
|
|
330867
|
427
|
68-73
|
Oval
Port Open chamber
|
|
|
336768
|
427
|
73-76
|
Oval
Port Open chamber
|
|
|
336781
|
454
|
73-85
|
2.06/1.77
|
113cc
Oval port
|
|
343771
|
366/427/454
|
68-85
|
2.06/1.77
|
Open
chamber Oval port
|
|
343772
|
366/427/454
|
76-84
|
2.06/1.77
|
Open
chamber Oval port
|
|
343783
|
454
|
75-78
|
2.06/1.77
|
Open
chamber Oval port
|
|
346236
|
454
|
75-87
|
2.06/1.77
|
113cc
Oval port
|
|
346238
|
454
|
75-87
|
2.06/1.77
|
113cc
Oval port
|
|
352625
|
454
|
70-76
|
Oval
Port Open chamber
|
|
|
353049
|
454
|
70-73
|
2.06/1.77
|
113cc
Oval port
|
|
366765
|
427/454
|
73-84
|
2.06/1.77
|
Open
chamber Oval port
|
|
3732791
|
348
|
58
|
||
|
3758379
|
348
|
59-61
|
||
|
3759256
|
348
|
58
|
||
|
3767738
|
348
|
59-61
|
||
|
3781147
|
348
|
60-61
|
High
Perf
|
|
|
3795586
|
409
|
61
|
360HP
|
|
|
3814690
|
409
|
62-64
|
High
Perf
|
|
|
3819333
|
348/409
|
62-65
|
||
|
3830817
|
409
|
63-65
|
340HP
|
|
|
3837731
|
409
|
63
|
High
Perf Z-11
|
|
|
3852583
|
409
|
65
|
400HP
|
|
|
3856206
|
396
|
65-66
|
2.06/1.77
|
98cc
Oval port
|
|
3856208
|
396
|
65
|
2.06/1.77
|
109cc
Z-16/L-37 Rectangular port
|
|
3856213
|
366
|
66-70
|
2.06/1.77
|
Closed
chamber Oval port
|
|
3856260
|
396
|
68
|
Oval
Port Closed chamber
|
|
|
3872702
|
396/427
|
66
|
2.06/1.77
|
98cc
Oval port L-34/L-35/L-36
|
|
3873858
|
396/427
|
66-67
|
2.06/1.77
|
109cc
L-78/L-72 Rectangular port
|
|
3876875
|
427
|
66-70
|
2.06/1.77
|
Closed
chamber Oval port
|
|
3904390
|
396/427
|
66-67
|
2.06/1.77
|
98cc
Oval port L-34/L-35/L-36
|
|
3904391
|
396/427
|
65-67
|
2.06/1.77
|
107cc
L-78/L-71/L-72 Rectangular port
|
|
3904392
|
427
|
67
|
2.19/1.88
|
106cc
L-88/L-89 Aluminum Rectangular port
|
|
3904393
|
366
|
66-68
|
2.06/1.77
|
Closed
chamber Oval port
|
|
3908952
|
427
|
67
|
Oval
Port Open chamber
|
|
|
3909802
|
396/427
|
66-67
|
2.06/1.77
|
100cc
Oval port L-34/L-35/L-36/L-68
|
|
3917215
|
396/427
|
67-69
|
2.06/1.77
|
100cc
Oval port L-34/L-35
|
|
3917219
|
366/427
|
66-70
|
2.06/1.77
|
Closed
chamber Oval port
|
|
3919840
|
396/427
|
67-69
|
2.06/1.77
|
107cc
L-78/L-71/L-72 Rectangular port
|
|
3919842
|
396/427
|
68-69
|
2.19/1.88
|
106cc
L-88/L-89 Aluminum Rectangular port
|
|
3931063
|
396/427
|
69-70
|
2.06/1.77
|
100cc
Oval port L-34/L-35
|
|
3933148
|
366/396/427
|
69
|
2.06/1.77
|
122cc
Oval port
|
|
3933149
|
427
|
69-70
|
2.06/1.77
|
122cc
Oval port
|
|
3935401
|
427
|
68-76
|
Oval
Port Open chamber
|
|
|
3946074
|
396/454
|
69-71
|
2.19/1.88
|
118cc
L-88/ZL-1 Aluminum Rectangular port
|
|
3964280
|
427/454
|
66-70
|
2.06/1.77
|
Closed
chamber Oval port
|
|
3964290
|
396/402/427/454
|
69-70
|
2.06/1.77
|
100cc
Oval port
|
|
3964291
|
396/402/427/454
|
69-70
|
2.19/1.88
|
108cc
L-78/L-71/L-72/LS-6 Rectangular port
325cc intake
|
|
3964292
|
454
|
70
|
2.19/1.88
|
109cc
LS-6 Rectangular port
|
|
3965198
|
396
|
69
|
2.06/1.77
|
Open
chamber Oval port
|
|
3975950
|
366/427
|
68-70
|
2.06/1.77
|
Closed
chamber Oval port
|
|
3986133
|
366/427
|
70-85
|
2.06/1.77
|
Closed
chamber Oval port
|
|
3986136
|
366/427
|
70-84
|
2.06/1.77
|
Closed
chamber Oval port
|
|
3993820
|
402/454
|
71
|
2.06/1.77
|
113cc
Oval port
|
|
3994025
|
454
|
71
|
2.19/1.88
|
118cc
LS-6 Rectangular port
|
|
3994026
|
454
|
71
|
2.19/1.88
|
118cc
LS-6 Rectangular port
|
|
3999241
|
402/454
|
72
|
2.06/1.77
|
113cc
Oval port
|
|
473328
|
366
|
68-85
|
2.06/1.77
|
Open
chamber Oval port
|
|
6258723
|
454
|
71
|
2.19/1.88
|
118cc
LS-6 Rectangular port
|
|
6272292
|
402/454
|
71
|
2.06/1.77
|
Open
chamber Oval port
|
|
6272990
|
454
|
71-94
|
2.19/1.88
|
118cc
Replacement Rectangular port 325cc
intake
|