SGI Forged 4340 Steel Crankshaft for BBC 4.000” 4.250”4.375”4.500”4.625”4.750"

Description

SGI
Forged 4340 Steel Nitride Crankshafts BBC 4.000” 4.250”4.375”4.500” 4.625” 4.750" Stroke & Kits
By Choosing a
SGI
Crankshaft marked with P/N
C3-454
series, you’ll receive one of the finest high performance crankshafts on the market available today.
Star Galaxy Inc
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 high 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
C3-454
serried
Crankshaft 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; Crankshafts are plasma nitride to a minimum depth of 0.060; 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- 909-569-2738
or visit
SGI
website
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.
Part Number
DESCRIPTIONS
Target BOB W
Main Journal
Rod Journal
Rods
Weight
Rated HP
Price
C3-454A
BBC 4.000” Stroke, 2 PC Seal
2400 Grams
2.7482-2.7492
2.1990-2.2000
6.135”
72 lbs
1200
5
C3-454A-1
BBC 4.000” Stroke, 1 PC seal
2400 Grams
2.7482-2.7492
2.1990-2.2000
6.135”
72 lbs
1200
5
C3-454B
BBC 4.250” Stroke, 2 PC Seal
2400 Grams
2.7482-2.7492
2.1990-2.2000
6.385”
72 lbs
1200
5
C3-454B-1
BBC 4.250” Stroke, 1 PC Seal
2400 Grams
2.7482-2.7492
2.1990-2.2000
6.385”
72 lbs
1200
5
C3-454C
BBC 4.375” Stroke, 2 PC Seal
2400 Grams
2.7482-2.7492
2.1990-2.2000
6.535”
72 lbs
1200
5
C3-454D
BBC 4.500” Stroke, 2 PC Seal
2400 Grams
2.7482-2.7492
2.1990-2.2000
6.535”
72 lbs
1200
5
C3-454D-1
BBC 4.500” Stroke, 1 PC Seal
2400 Grams
2.7482-2.7492
2.1990-2.2000
6.535”
72 lbs
1200
5
C3-454D-8
BBC 4.500” w/8 counterweights, 2 PC Seal
2400 Grams
2.7482-2.7492
2.1990-2.2000
6.535”
72 lbs
1200
5
C3-454F
BBC 4.750” Stroke, 2 PC Seal
2400 Grams
2.7482-2.7492
2.1990-2.2000
6.700”
72 lbs
1200
5
Each unit is marked with a assigned part number of
C3-454
series, then gets well packed in a carton box at a size of 30” X 7.5” X 7.5”, with a shipping weight of
76
lbs. Weights and dimensions are for reference only, actual data may vary. Prices are based from our California warehouse (CA 91749), and subject to change without prior notice. Check part number and specifications first before ordering. Most orders will be shipped within 24 hours.
The following chart may help, for reference information only, on other components connecting to the crankshaft you interested:
Choice A - Assembling Kits AK3-serries of
BBC 454, 496, 502, 540: SGI
rotating kit includes AK3- assembled combo of SGI forged 4340 steel crankshaft, SGI forged 4340 steel H or I beam rods with ARP2000 cap screw bolts, forged aluminum pistons & Moly rings.
Special requests may require 2 weeks to hit your door and 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 Ratio.
KIT NUMBER
Crankshaft
SGI Rods
PISTON
BORE
C/H
T/V
COMPRESSION RATIO
PIN
RINGS
PRICE
106cc
112cc
118cc
124cc
AK3-454 FTP1
C3-454A   4.000
R3-6135 H/I
13727
30
4.280
1.645
-3.0cc
8.80
8.43
8.10
7.79
.990X2.930
3150035
1650
60
4.310
8.90
8.53
8.19
7.88
80
4.320
8.94
8.56
8.22
7.91
100
4.350
9.04
8.66
8.31
8.00
125
4.375
9.12
8.74
8.39
8.07
AK3-454 FTP2
C3-454A  4.000
R3-6385 H/I
13728
30
4.280
1.395
-3.0cc
8.80
8.43
8.10
7.79
.990X2.930
3150035
1650
60
4.310
8.90
8.53
8.19
7.88
80
4.320
8.94
8.56
8.22
7.91
100
4.350
9.04
8.66
8.31
8.00
125
4.375
9.12
8.74
8.39
8.07
AK3-454 DTP1
C3-454A  4.000
R3-6135 H/I
13730
30
4.280
1.645
+39.0cc
12.11
11.38
10.74
.990X2.930
3150035
1650
60
4.310
12.25
11.51
10.85
80
4.320
12.29
11.55
10.90
100
4.350
12.43
11.68
11.02
125
4.375
12.54
11.78
11.12
AK3-454 DTP2
C3-454A  4.000
R3-6385 H/I
14035
30
4.280
1.395
+39.0cc
12.11
11.38
10.74
.990X2.930
3150035
1650
60
4.310
12.25
11.51
10.85
80
4.320
12.29
11.55
10.90
100
4.350
12.43
11.68
11.02
125
4.375
12.54
11.78
11.12
AK3-454 DTP3
C3-454A  4.000
R3-6135 H/I
13976
30
4.280
1.645
+18.0cc
10.44
9.91
9.43
9.00
.990x2.930
3150035
1650
60
4.310
10.56
10.02
9.54
9.10
80
4.320
10.60
10.06
9.57
9.14
100
4.350
10.72
10.17
9.68
9.24
125
4.375
10.82
10.26
9.77
9.32
AK3-454 DTP4
C3-454A  4.000
R3-6385 H/I
13731
30
4.280
1.395
+18.0cc
10.44
9.91
9.43
9.00
.990x2.930
3150035
1650
60
4.310
10.56
10.02
9.54
9.10
80
4.320
10.60
10.06
9.57
9.14
100
4.350
10.72
10.17
9.68
9.24
125
4.375
10.82
10.26
9.77
9.32
AK3-502 FTP1
C3-454A  4.000
R3-6135 H/I
14465
03
4.470
1.645
-3.0cc
9.44
9.04
8.68
8.35
.990X2.930
3150001
1650
33
4.500
9.54
9.14
8.78
8.44
63
4.530
9.64
9.24
8.87
8.53
93
4.560
9.75
9.34
8.96
8.62
133
4.600
9.88
9.47
9.09
8.75
AK3-502 FTP2
C3-454A  4.000
R3-6385 H/I
14463
03
4.470
1.395
-3.0cc
9.44
9.04
8.68
8.35
.990X2.930
3150001
1650
33
4.500
9.54
9.14
8.78
8.44
63
4.530
9.64
9.24
8.87
8.53
93
4.560
9.75
9.34
8.96
8.62
133
4.600
9.88
9.47
9.09
8.75
AK3-502 DTP1
C3-454A  4.000
R3-6385 H/I
14033
33
4.500
1.395
+39.0cc
13.11
12.32
11.63
.990X2.930
3150001
1650
63
4.530
13.25
12.45
11.75
93
4.560
13.39
12.58
11.88
133
4.600
13.57
12.76
12.04
AK3-502 DTP2
C3-454A  4.000
R3-6135 H/I
14469
03
4.470
1.645
+15.7cc
10.97
10.42
9.93
9.49
.990X2.930
3150001
1650
33
4.500
11.09
10.53
10.04
9.59
63
4.530
11.20
10.64
10.14
9.69
93
4.560
11.32
10.76
10.25
9.80
133
4.600
11.48
10.91
10.40
9.93
AK3-502 DTP3
C3-454A  4.000
R3-6385 H/I
14467
33
4.500
1.395
+15.7cc
11.09
10.53
10.04
9.59
.990X2.930
3150001
1650
63
4.530
11.20
10.64
10.14
9.69
93
4.560
11.32
10.76
10.25
9.80
133
4.600
11.48
10.91
10.40
9.93
Choice B - Balanced Assembling Kits - Plus 0:
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, externally balanced, along with STD main bearings, H-series rod bearings, SFI steel damper, and SFI flexplate.
Shipping cost
on kit will be around 0 nationwide.
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.
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