SGI Forged 4340 Crankshaft SBC 350, 383, 396, 408 Strokers & Kits
SGI Forged 4340 Nitride Crankshafts for SBC 350, 383, 396, 408 engines
By Choosing a SGI Crankshaft marked with P/N C3-350 series, you’ll receive one of the finest high performance 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 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 C3-350 series crankshaft is 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.
Qualified orders will be a multiple products mix and / or quantity for “buy it” with wholesaler or distributor (W/D) prices.
Part Number
DESCRIPTIONS
Target BOB W
Main Journal
Rod Journal
ROD
Weight
Rated HP
W/D Price
C3-350
SBC 350, 3.480" Stroke, 2 PC Seal
1850 Grams
2.4483-2.4493
2.0992-2.1000
5.700”
56 lbs
1200
$395
C3-350-1
SBC 350, 3.480" Stroke, 1 PC Seal
1850 Grams
2.4483-2.4493
2.0992-2.1000
5.700”
56 lbs
1200
$395
C3-350A
SBC 350, 3.500” Stroke, 2 PC Seal
1850 Grams
2.4483-2.4493
2.0992-2.1000
5.700”
56 lbs
1200
$395
C3-350B
SBC 350, 3.562” Stroke, 2 PC Seal
1850 Grams
2.4483-2.4493
2.0992-2.1000
6.000”
56 lbs
1200
$395
C3-350C
SBC 350, 3.625” Stroke, 2 PC Seal
1850 Grams
2.4483-2.4493
2.0992-2.1000
6.000”
56 lbs
1200
$395
C3-350D
SBC 350, 3.750" Stroke, 2 PC Seal
1850 Grams
2.4483-2.4493
2.0992-2.1000
6.000”
56 lbs
1200
$395
C3-350D-1
SBC 350, 3.750” Stroke, 1 PC Seal
1850 Grams
2.4483-2.4493
2.0992-2.1000
6.000”
56 lbs
1200
$395
C3-350E
SBC 350, 3.875” Stroke, 2 PC Seal
1850 Grams
2.4483-2.4493
2.0992-2.1000
6.000”
56 lbs
1200
$395
C3-350F
SBC 350, 4.000” Stroke, 2 PC Seal
1850 Grams
2.4483-2.4493
2.0992-2.1000
6.000”
56 lbs
1200
$395
Each unit is marked with an assigned part number of C3-350 series, then gets well packed in a stronger carton box with triple layer of walls, at a size of 26” X 7” X 6.5”, with a shipping weight of about 58 lbs. Weights and dimensions are for reference only, actual data may vary. Prices are based from our California warehouse (CA 91789), and subject to change without prior notice. Check Part number and specifications first before ordering. Note us the part number when you ordering. Most orders will be shipped within 24 hours. Please understand that occasionally we may have some temporary shortages in stock, due to deliveries of large accounts.
Don’t see what you looking for, or any questions on details? Contact us by mail at SGIperformance@aol.com or call 1-909-598-0406.
We offer Rotating Assembling Kits: AK3- Series of SBC 350, 363, 383, 396, 410
Notes on Pistons: - Forged 2168 High Strength Alloy Pistons. FTP - Flat Top, DTP – Dome Top, RDP - Reverse Dome, DIP – Dish Top, C/H - Chamber High, T/V - Top Volume, C/R – Compression Ratio
Save $15 when you purchase crank & rods combo at $668, or kit other than orders individually.
Assembled
Kit Number
Crank/Rod Combo $668
Optional Choice for Forged SRS Pistons & Pins
RINGS
BALANCED?
Crankshaft
SGI Rods
P/N
BORE
C/H
T/V
C/R
PIN
Mark
P/N
NOT
YES
AK3-350 FTP1
C3-350 3.480
R3-5700 H
12334
4.000-4.060
1.560
-4.00cc
11.16–8.93
.927X2.500
478
3150036-115
1260
$1460
AK3-350 FTP2
C3-350 3.480
R3-5700 H
14103
4.000-4.060
1.560
-4.00cc
11.16–8.93
.927X2.500
504
3150066-165
1338
$1538
AK3-350 FTP3
C3-350 3.480
R3-6000 H
12335
4.000-4.060
1.260
-4.00cc
11.16–8.93
.927X2.500
478
3150036-115
1260
$1460
AK3-350 FTP4
C3-350 3.480
R3-6000 H
14104
4.000-4.060
1.260
-4.00cc
11.16–8.93
.927X2.500
504
3150066-165
1338
$1538
AK3-350 RDP1
C3-350 3.480
R3-5700 H
12342
4.000-4.060
1.560
-13.8cc
9.95-8.15
.927X2.500
504
3150036-115
1287
$1487
AK3-350 DIP1
C3-350 3.480
R3-6000 H
12343
4.000-4.060
1.260
-9.80cc
10.41-8.45
.927X2.500
504
3150036-115
1287
$1487
AK3-350 DTP1
C3-350 3.480
R3-5700 H
13721
4.000-4.060
1.560
+3.50cc
12.33-9.65
.927X2.500
504
3150036-115
1287
$1487
AK3-350 DTP2
C3-350 3.480
R3-6000 H
13720
4.000-4.060
1.260
+3.50cc
12.33-9.65
.927X2.500
504
3150036-115
1287
$1487
AK3-350 DTP3
C3-350 3.480
R3-5700 H
13722
4.030-4.060
1.560
+12.5cc
14.14-10.8
.927X2.500
504
3150036-115
1287
$1487
AK3-350 DTP4
C3-350 3.480
R3-6000 H
13723
4.030-4.060
1.260
+12.5cc
14.14-10.8
.927X2.500
504
3150036-115
1287
$1487
AK3-363 FTP1
C3-350B 3.562
R3-6000 H
14210
4.030-4.060
1.219
-4.00cc
11.14-9.22
.927X2.500
478
3150036-115
1260
$1460
AK3-363 DTP1
C3-350B 3.562
R3-6000 H
14209
4.030-4.060
1.219
+11.1cc
14.12-10.8
.927X2.500
557
3150036-115
1340
$1540
AK3-383 FTP1
C3-350D 3.750
R3-5700 H
12336
4.000-4.060
1.425
-4.00cc
11.95-9.54
.927X2.500
478
3150036-115
1260
$1460
AK3-383 FTP2
C3-350D 3.750
R3-5700 H
14105
4.000-4.060
1.425
-4.00cc
11.95-9.54
.927X2.500
504
3150066-165
1338
$1538
AK3-383 FTP3
C3-350D 3.750
R3-6000 H
12337
4.000-4.060
1.125
-4.00cc
11.95-9.54
.927X2.500
478
3150036-115
1260
$1460
AK3-383 FTP4
C3-350D 3.750
R3-6000 H
14106
4.000-4.060
1.125
-4.00cc
11.95-9.54
.927X2.500
504
3150066-165
1338
$1538
AK3-383 DTP1
C3-350D 3.750
R3-5700 H
13724
4.000-4.060
1.425
+7.30cc
13.96-10.7
.927X2.500
504
3150036-115
1287
$1487
AK3-383 DTP2
C3-350D 3.750
R3-6000 H
13719
4.000-4.060
1.125
+8.00cc
14.1-10.85
.927X2.500
504
3150033-115
1287
$1487
AK3-383 DIP1
C3-350D 3.750
R3-6000 H
12345
4.000-4.060
1.125
-12.8cc
10.76-8.89
.927X2.500
504
3150033-115
1287
$1487
AK3-383 RDP1
C3-350D 3.750
R3-5700 H
12344
4.000-4.060
1.425
-20.4cc
9.93-8.23
.927X2.500
504
3150036-115
1287
$1487
AK3-395 RDP1
C3-350E 3.875
R3-6000 H
14902
4.030-4.060
1.062
-15.2cc
10.77-8.94
.927X2.500
531
3150036-115
1315
$1515
AK3-396 FTP1
C3-350E 3.875
R3-6000 H
14772
4.030-4.060
1.062
-4.00cc
12.31-9.95
.927X2.500
504
3150036-115
1287
$1487
AK3-396 DTP1
C3-350E 3.875
R3-6000 H
14784
4.030-4.060
1.062
+4.90cc
13.89-10.9
.927X2.500
531
3150033-115
1315
$1515
AK3-408 FTP1
C3-350F 4.000
R3-6000 H
14799
4.030-4.060
1.000
-4.0cc
12.6-10.24
.927X2.500
504
3150033-115
1287
$1487
AK3-410 RDP1
C3-350F 4.000
R3-6000 H
14907
4.030-4.060
1.000
-18.1cc
10.75-8.97
.927X2.500
531
3150036-115
1315
$1515
Please read and understand the listing before committing to buy it now.
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