SGI Forged 4340 Nitride Crankshafts for 351W 3.500",
3.750” 3.850” 4.000” 4.100” 4.170” Strokers & Kits
By choosing a STAR GALAXY INC Crankshaft marked with Part number,
you’ll receive one of the finest HP crankshafts on the market available today. SGI crankshafts dominate the industry when it comes to precision CNC’d
crankshafts. Utilizing only daily calibrated state of the art CNC equipment,
working in unison along with extremely highly qualified master craftsmen, SGI crankshafts
has incorporated all the precision and detail with high production capabilities
in a mass array of applications and designs. SGI C3-351W series Crankshafts features: 4340 AQ Chromoly steel
non-twist forgings; Multiple stage heat treatments; X-rayed; Magnafluxed and
Sonic tested; Completely CNC machined with a two step micro polishing on the journals;
Oil passages are cross drilled; large radius; Crankshafts are plasma nitrated
to a minimum depth of .060; 3D exclusively designed arrow counterweights and
gun drilled mains for 20% less crankcase windage than our competitors; 1 inch
lightening holes in all 4 rod throws reduces rotating mass and helps eliminate
the need of Mallory when balancing.
Customer Service: 1-626-839-5700 or visit SGI website at stargalaxyinc.com
Multiple Parts listed under item. Note us part number when ordering please, or may cause of delay to ship until you note us the part number.
Call to check application, size
and availability before purchase.
|
P/N
|
DESCRIPTIONS
|
Balance
|
Target BOB W
|
Main JR
|
Rod JR
|
Rods
|
Weight
|
Rated
|
Price
|
|
C3-351W
|
351 Windsor,
3.000” Main, 3.500” Stroke, 2-pcs Seal
|
28
Oz
|
1900
Grams
|
3.000
|
2.3111
|
5.956”
|
65
lbs
|
1200 HP
|
450
|
|
C3-351WA
|
351 Windsor,
3.000” Main, 3.750” Stroke, 2-pcs Seal
|
28
Oz
|
1900
Grams
|
3.000
|
2.1000
|
6.125”
|
65
lbs
|
1200 HP
|
450
|
|
C3-351WBC
|
351 Windsor,
3.000” Main, 3.850” Stroke, 2-pcs Seal
|
28
Oz
|
1900
Grams
|
3.000
|
2.1000
|
6.200”
|
65
lbs
|
1200 HP
|
450
|
|
C3-351WBF
|
351 Windsor, 3.000”
Main, 3.850” Stroke, 2-pcs Seal
|
28
Oz
|
1900 Grams
|
3.000
|
2.3111
|
5.956”
|
65 lbs
|
1200 HP
|
OUT
|
|
C3-351WC
|
351 Windsor,
3.000” Main, 4.000” Stroke, 2-pcs Seal
|
28
Oz
|
1900
Grams
|
3.000
|
2.1000
|
6.200”
|
65
lbs
|
1200 HP
|
450
|
|
C3-351WD
|
351Windsor,
3.000” Main, 4.100” Stroke, 2-pcs Seal
|
28
Oz
|
1900
Grams
|
3.000
|
2.1000
|
6.200”
|
65
lbs
|
1200HP
|
450
|
|
C3-351WE
|
351Windsor,
3.000” Main, 4.170” Stroke, 2-pcs Seal
|
28
Oz
|
1900
Grams
|
3.000
|
2.1000
|
6.200”
|
65
lbs
|
1200HP
|
450 |
Each unit is marked
with an assigned part number, then gets well packed in a stronger carton box
with triple layer of walls, at a size of 30” X 7.5” X 7.5”, with a shipping
weight of about 71 lbs. Weights and dimensions are for reference only, actual data
may vary. Prices are based from California warehouse,
and subject to change without prior notice. Most of orders will be shipped
within 24 hours. Please understand that occasionally we may have
some temporary shortages or in stock level (marked out in grey), due to delivery
of large accounts.
The following chart may help, for reference information only,
finds more other components, at SGI website stargalaxyinc.com
SGI Rotating
assembling Kit: includes SGI forged 4340 steel crankshaft, SGI forged 4340 steel H or I beam rods with ARP 2000 cap screw bolts, forged aluminum pistons and
Moly rings. Special requests may require two weeks to hit your door. All
special requests must be prepaid, to insure receipt of your kit(s). Notes on
Forged 2168 High Strength Alloy Pistons: FTP -
Flat Top, DTP - Dome, RDP - Reverse Dome, DIP –
Dish Top, C/H - Chamber High, T/V -
Top Volume, C/R – Compression.
|
KIT NUMBER
|
Crankshaft
|
SGI Rods
|
PISTON
|
BORE
|
C/H
|
T/V
|
Compression Ratio
|
PIN SIZE
|
RINGS
|
PRICE
|
|
58cc
|
64cc
|
68cc
|
76cc
|
|
AK3-351W
RDP
|
C3-351W
3.500
|
R3-5956H/I
|
12358
|
30
|
4.030
|
1.772
|
-22.0cc
|
9.08
|
8.82
|
8.58
|
8.28
|
.912X2.500
|
3150036
|
1500
|
|
40
|
4.040
|
9.12
|
8.86
|
8.61
|
8.31
|
|
60
|
4.060
|
9.19
|
8.93
|
8.68
|
8.37
|
|
AK3-351W FTP
|
C3-351W
3.500
|
R3-5956H/I
|
12355
|
30
|
4.030
|
1.772
|
-4.0cc
|
11.09
|
10.69
|
10.32
|
9.86
|
.912X2.500
|
3150036
|
1500
|
|
40
|
4.040
|
11.13
|
10.73
|
10.36
|
9.90
|
|
60
|
4.060
|
11.22
|
10.81
|
10.44
|
9.98
|
|
AK3-383W
RDP
|
C3-351WA
3.750
|
R3-6250H/I
|
10676
|
30
|
4.030
|
1.350
|
-19.3cc
|
9.92
|
9.63
|
9.35
|
9.01
|
.927X2.500
|
3150036
|
1500
|
|
40
|
4.040
|
9.96
|
9.67
|
9.39
|
9.05
|
|
60
|
4.060
|
10.04
|
9.74
|
9.46
|
9.12
|
|
AK3-383W
FTP
|
C3-351WA
3.750
|
R3-6250H/I
|
10670
|
30
|
4.030
|
1.350
|
-4.00cc
|
11.81
|
11.38
|
10.98
|
10.50
|
.927X2.500
|
3150036
|
1500
|
|
40
|
4.040
|
11.85
|
11.42
|
11.02
|
10.54
|
|
60
|
4.060
|
11.95
|
11.51
|
11.11
|
10.62
|
|
AK3-393
FTP2
|
C3-351WBC3.850
|
R3-6200H/I
|
10670
|
30
|
4.030
|
1.350
|
-4.00cc
|
12.09
|
11.65
|
11.25
|
10.75
|
.927X2.500
|
3150036
|
1500
|
|
40
|
4.040
|
12.14
|
11.70
|
11.29
|
10.79
|
|
60
|
4.060
|
12.24
|
11.79
|
11.38
|
10.88
|
|
AK3-393
RDP3
|
C3-351WBC3.850
|
R3-6200H/I
|
10676
|
30
|
4.030
|
1.350
|
-19.3cc
|
10.16
|
9.86
|
9.58
|
9.23
|
.927X2.500
|
3150036
|
1500
|
|
40
|
4.040
|
10.20
|
9.90
|
9.61
|
9.26
|
|
60
|
4.060
|
10.28
|
9.98
|
9.69
|
9.34
|
|
AK3-393
FTP1
|
C3-351WBF3.850
|
R3-5956H/I
|
10682
|
STD
|
4.000
|
1.600
|
-4.00cc
|
11.95
|
11.52
|
11.11
|
10.62
|
.912X2.500
|
3150036
|
1500
|
|
30
|
4.030
|
12.09
|
11.65
|
11.25
|
10.75
|
|
40
|
4.040
|
12.14
|
11.70
|
11.29
|
10.79
|
|
60
|
4.060
|
12.24
|
11.79
|
11.38
|
10.88
|
|
AK3-393
RDP1
|
C3-351WBF3.850
|
R3-5956H/I
|
12349
|
STD
|
4.000
|
1.600
|
-30.0cc
|
9.06
|
8.82
|
8.60
|
8.32
|
.912X2.500
|
3150036
|
1500
|
|
30
|
4.030
|
9.17
|
8.93
|
8.70
|
8.41
|
|
40
|
4.040
|
9.20
|
8.96
|
8.73
|
8.45
|
|
AK3-393
RDP2
|
C3-351WBF3.850
|
R3-5956H/I
|
10684
|
STD
|
4.000
|
1.600
|
-15.0cc
|
10.51
|
10.18
|
9.87
|
9.49
|
.912X2.500
|
3150036
|
1500
|
|
30
|
4.030
|
10.63
|
10.30
|
9.99
|
9.60
|
|
40
|
4.040
|
10.68
|
10.34
|
10.03
|
9.64
|
|
60
|
4.060
|
10.76
|
10.42
|
10.11
|
9.72
|
|
AK3-408 FTP1
|
C3-351WC 4.000
|
R3-6125H/I
|
10670
|
30
|
4.030
|
1.350
|
-4.00cc
|
12.53
|
12.07
|
11.65
|
11.13
|
.927X2.500
|
3150036
|
1500
|
|
40
|
4.040
|
12.58
|
12.12
|
11.69
|
11.17
|
|
60
|
4.060
|
12.67
|
12.21
|
11.78
|
11.26
|
|
AK3-408 FTP2
|
C3-351WC 4.000
|
R3-6200H/I
|
12357
|
30
|
4.030
|
1.280
|
-4.00cc
|
12.53
|
12.07
|
11.65
|
11.13
|
.927X2.500
|
3150036
|
1500
|
|
40
|
4.040
|
12.58
|
12.12
|
11.69
|
11.17
|
|
60
|
4.060
|
12.67
|
12.21
|
11.78
|
11.26
|
|
AK3-408 FTP3
|
C3-351WC 4.000
|
R3-6250H/I
|
10672
|
30
|
4.030
|
1.235
|
-4.00cc
|
12.53
|
12.07
|
11.65
|
11.13
|
.927X2.500
|
3150036
|
1500
|
|
40
|
4.040
|
12.58
|
12.12
|
11.69
|
11.17
|
|
60
|
4.060
|
12.67
|
12.21
|
11.78
|
11.26
|
|
AK1-408 RDP1
|
C1-351WC 4.000
|
R3-6125H/I
|
10676
|
30
|
4.030
|
1.350
|
-19.3cc
|
10.52
|
10.20
|
9.91
|
9.55
|
.927X2.500
|
3150036
|
1500
|
|
40
|
4.040
|
10.56
|
10.25
|
9.95
|
9.58
|
|
60
|
4.060
|
10.64
|
10.33
|
10.03
|
9.66
|
|
AK3-408 RDP2
|
C3-351WC 4.000
|
R3-6200H/I
|
12360
|
30
|
4.030
|
1.280
|
-22.0cc
|
10.24
|
9.94
|
9.66
|
9.32
|
.927X2.500
|
3150036
|
1500
|
|
40
|
4.040
|
10.28
|
9.98
|
9.70
|
9.35
|
|
60
|
4.060
|
10.36
|
10.06
|
9.78
|
9.43
|
|
AK3-408 RDP3
|
C3-351WC 4.000
|
R3-6250H/I
|
10674
|
30
|
4.030
|
1.235
|
-22.0cc
|
10.24
|
9.94
|
9.66
|
9.32
|
.927X2.500
|
3150036
|
1500
|
|
40
|
4.040
|
10.28
|
9.98
|
9.70
|
9.35
|
|
60
|
4.060
|
10.36
|
10.06
|
9.78
|
9.43
|
|
AK3-408 DIP1
|
C3-351WC 4.000
|
R3-6200H/I
|
14802
|
30
|
4.030
|
1.280
|
-33.8cc
|
9.17
|
8.94
|
8.72
|
8.44
|
.927X2.500
|
3150036
|
1500
|
|
40
|
4.040
|
9.21
|
8.97
|
8.75
|
8.48
|
|
60
|
4.060
|
9.28
|
9.04
|
8.82
|
8.54
|
|
AK3-428 FTP1
|
C3-351WC 4.000
|
R3-6200H/I
|
14745
|
STD
|
4.125
|
1.290
|
-4.50cc
|
12.91
|
12.45
|
12.02
|
11.49
|
.927X2.500
|
CR1002
|
1500
|
|
30
|
4.155
|
13.06
|
12.59
|
12.15
|
11.62
|
|
AK3-428 FTP2
|
C3-351WC 4.000
|
R3-6250H/I
|
14716
|
STD
|
4.125
|
1.240
|
-4.50cc
|
12.91
|
12.45
|
12.02
|
11.49
|
.927X2.500
|
CR1002
|
1500
|
|
30
|
4.155
|
13.06
|
12.59
|
12.15
|
11.62
|
|
AK3-428 RDP1
|
C3-351WC 4.000
|
R3-6200H/I
|
14746
|
STD
|
4.125
|
1.290
|
-24.8cc
|
10.34
|
10.05
|
9.78
|
9.44
|
.927X2.500
|
CR1002
|
1500
|
|
30
|
4.155
|
10.46
|
10.16
|
9.89
|
9.55
|
|
AK3-428 RDP2
|
C3-351WC 4.000
|
R3-6250H/I
|
14717
|
STD
|
4.125
|
1.240
|
-24.8cc
|
10.34
|
10.05
|
9.78
|
9.44
|
.927X2.500
|
CR1002
|
1500
|
|
30
|
4.155
|
10.46
|
10.16
|
9.89
|
9.55
|
|
AK3-418 FTP1
|
C3-351WD 4.100
|
R3-6200H/I
|
10672
|
30
|
4.030
|
1.235
|
-4.00cc
|
12.82
|
12.35
|
11.91
|
11.38
|
.927X2.500
|
3150049
|
1500
|
|
40
|
4.040
|
12.87
|
12.39
|
11.96
|
11.43
|
|
60
|
4.060
|
12.97
|
12.48
|
12.05
|
11.52
|
|
AK3-418 RDP1
|
C3-351WD 4.100
|
R3-6200H/I
|
10674
|
30
|
4.030
|
1.235
|
-22.0cc
|
10.47
|
10.16
|
9.88
|
9.52
|
.927X2.500
|
3150049
|
1500
|
|
40
|
4.040
|
10.51
|
10.20
|
9.92
|
9.56
|
|
60
|
4.060
|
10.59
|
10.28
|
10.00
|
9.64
|
|
AK3-427 RDP1
|
C3-351WE 4.170
|
R3-6125H/I
|
12360
|
30
|
4.030
|
1.280
|
-22.0cc
|
10.63
|
10.32
|
10.03
|
9.67
|
.927X2.500
|
3150036
|
1500
|
|
40
|
4.040
|
10.67
|
10.36
|
10.07
|
9.71
|
|
60
|
4.060
|
10.76
|
10.44
|
10.15
|
9.79
|
|
AK3-427 RDP2
|
C3-351WE 4.170
|
R3-6200H/I
|
14779
|
30
|
4.030
|
1.205
|
-28.9cc
|
9.95
|
9.68
|
9.43
|
9.11
|
.927X2.500
|
3150049
|
1500
|
|
40
|
4.040
|
9.99
|
9.72
|
9.46
|
9.15
|
|
60
|
4.060
|
10.07
|
9.80
|
9.54
|
9.22
|
|
AK3-427 FTP1
|
C3-351WE 4.170
|
R3-6125H/I
|
12357
|
30
|
4.030
|
1.280
|
-4.00cc
|
13.02
|
12.54
|
12.10
|
11.50
|
.927X2.500
|
3150036
|
1500
|
|
40
|
4.040
|
13.07
|
12.59
|
12.15
|
11.61
|
|
60
|
4.060
|
13.17
|
12.69
|
12.34
|
11.70 |
SGI Balanced Assembling Kits: By choosing SGI completely assemblies, spun and balanced by extremely highly
qualified master craftsmen, you’ll receive one of the finest stroke kits
available today. The whole kit externally balanced along with those components: main bearings, H
rods bearings, damper, and flexplate or flywheel.
Shipping Cost on
kit will be around $110 nationwide. Total: Getting a balanced completely
assembling kit, shipped to your door, will be about $2110.
Please
read and understand the listing before committing to buy it now.
It’s buyer’s responsibility to check
the sizes and specifications of all parts for application(s) before ordering.
Orders which are qualified will be shipped out after payment clears. All goods
ordered and shipped are on final and not subject to exchange or return.
We accept Visa / Master cards, and
PayPal payment. Will call is available for a fee.
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