DOMESTIC CRANK SHAFTS

Our 4340 forged crankshafts are heat treated to increase tensile strength, shot peened to increase fatigue life, nitrided for wear resistance and 100% mag particle inspected to ensure against cracks.

 

Sizes are held to the tightest tolerances you’ll find in the racing industry!

 

How to order your MOLNAR TECHNOLOGIES cranks:

CLICK A PRODUCT BELOW TO ADD TO YOUR CART AND PURCHASE.

CHEVROLET CRANKS

CHEVY SMALL BLOCK FORGED CRANKS

Part Number
Description
Stroke
Main
Rod Pin Diameter
Minimum Rod Length
Bob Weight
Retail
OUR PRICE
Add To Cart
350-3480BB6F-57
Small Block Chevy
3.480
350
2.100
5.700
1800
$938.45
$853.13
350-3480BB6F-RN
50# Legal SB Late Model Stock
3.480
350
2.100
5.700
1500
$1029.87
$936.25
350-3500BB6F-60
Small Block Chevy
3.500
350
2.100
6.000
1850
$938.45
$853.13
350-3750BB6F-57
Small Block Chevy
3.750
350
2.100
5.700
1800
$938.45
$853.13
350-3750BB6F-60
Small Block Chevy
3.750
350
2.100
6.000
1800
$938.45
$853.13
350-3750BB6F-OPS-57
Small Block Chevy - On Piece Rear Seal
3.750
350
2.100
5.700
1800
$938.45
$853.13
350-3800BB6F-57
Small Block Chevy
3.800
350
2.100
5.700
1800
$938.45
$853.13
350-3875BB6F-57
Small Block Chevy
3.800
350
2.100
5.700
1800
$938.45
$853.13
350-4000BB6F-585
Small Block Chevy
4.000
350
2.100
5.850
1850
$938.45
$853.13
350-4000BB6F-60
Small Block Chevy
4.000
350
2.100
6.000
1850
$938.45
$853.13
400-3750CB6F-585
Small Block Chevy
3.750
400
2.100
5.850
1850
$938.45
$853.13
400-3875CB6F-585
Small Block Chevy
3.875
400
2.100
5.850
1850
$938.45
$853.13
400-4000CB6F-585
Small Block Chevy
4.000
400
2.100
5.850
1850
$938.45
$853.13
400-4125CB6F-60
Small Block Chevy
4.125
400
2.100
6.000
1850
$938.45
$853.13

CHEVY SMALL BLOCK LIGHTWEIGHT CRANKS

Part Number
Description
Stroke
Main
Rod Pin Diameter
Minimum Rod Length
Bob Weight
Retail
OUR PRICE
Add To Cart
283-3350AD6L-60
Lightweight Small Block Chevy
3.350
283
1.888
6.000
1750
$1344.33
$1222.12
350-3500BA6L-60
Lightweight Small Block Chevy
3.500
350
2.000
6.000
1750
$1344.33
$1222.12
350-3500BB6L-57
Lightweight Small Block Chevy
3.500
350
2.100
5.700
1750
$1344.33
$1222.12
350-3500BB6L-60
Lightweight Small Block Chevy
3.500
350
2.100
6.000
1750
$1344.33
$1222.12
350-3750BB6L-57
Lightweight Small Block Chevy
3.750
350
2.100
5.700
1750
$1344.33
$1222.12
350-3750BB6L-60
Lightweight Small Block Chevy
3.750
350
2.100
6.000
1750
$1344.33
$1222.12
350-3875BB6L-60
Lightweight Small Block Chevy
3.875
350
2.100
6.000
1750
$1344.33
$1222.12

CHEVY LS CRANKS

Part Number
Description
Stroke
Main
Rod Pin Diameter
Minimum Rod Length
Bob Weight
Retail
OUR PRICE
Add To Cart
346-3622LB6F
Chevy LS
3.622
LS Chevy
2.100
6.125
1800
$1085.69
$986.99
346-3750LB6F
Chevy LS
3.750
LS Chevy
2.100
6.125
1800
$1085.69
$986.99
346-3900LB6F
Chevy LS
3.900
LS Chevy
2.100
6.125
1800
$1085.69
$986.99
346-4000LB6F
Chevy LS
4.000
LS Chevy
2.100
6.125
1800
$1085.69
$986.99
346-4125LB6F
Chevy LS
4.125
LS Chevy
2.100
6.125
1800
$1085.69
$986.99
346-4250LB6F
Chevy LS
4.250
LS Chevy
2.100
6.125
1800
$1085.69
$986.99

CHEVY LS 8 COUNTERWEIGHT BILLET

Part Number
Description
Stroke
Main
Rod Pin Diameter
Minimum Rod Length
Bob Weight
Retail
OUR PRICE
Add To Cart
346-3622LB8B
Chevy LS
3.622
LS Chevy
2.100
6.125
1750
$2650
$2495
346-4000LB8B
Chevy LS
4.000
LS Chevy
2.100
6.125
1750
$2650
$2495

CHEVY LS7 LONG SNOUT CRANKS

Part Number
Description
Stroke
Main
Rod Pin Diameter
Minimum Rod Length
Bob Weight
Retail
OUR PRICE
Add To Cart
346-4000LB6F-LS7
Chevy LS7 w/ Dry Sump Snout
4.000
LS Chevy
2.100
6.125
1800
$1244.94
$1131.76
346-4100LB6F-LS7
Chevy LS7 w/ Dry Sump Snout
4.100
LS Chevy
2.100
6.125
1800
$1244.94
$1131.76

CHEVY BIG BLOCK FORGED CRANKS

Part Number
Description
Stroke
Main
Rod Pin Diameter
Minimum Rod Length
Bob Weight
Retail
OUR PRICE
Add To Cart
454-4000DC6F-6135
Big Block Chevy
4.000
454
2.200
6.135
2200
$1077.73
$979.75
454-4000DC6F-OPS-6135
Big Block Chevy w/ One Piece Rear Seal
4.000
454
2.200
6.135
2200
$1077.73
$979.75
454-4250DC6F-6135
Big Block Chevy
4.250
454
2.200
6.135
2200
$1077.73
$979.75
454-4250DC6F-6385
Big Block Chevy
4.250
454
2.200
6.385
2200
$1077.73
$979.75
454-4250DC6F-OPS-6385
Big Block Chevy w/ One Piece Rear Seal
4.250
454
2.200
6.385
2300
$1077.73
$979.75
454-4250DC8F-6385
Big Block Chevy w/ 8 Counterweights
4.250
454
2.200
6.385
2300
$1227.18
$1115.62
454-4375DC8F-6385
Big Block Chevy w/ 8 Counterweights
4.375
454
2.200
6.385
2300
$1227.18
$1115.62
454-4375DC8F-OPS-6385
Big Block Chevy w/ 8 Counterweights and One Piece Seal
4.375
454
2.200
6.385
2150
$1077.73
$979.75
454-4500DC8F-6535
Big Block Chevy w/ 8 Counterweights
4.500
454
2.200
6.535
2300
$1227.18
$1115.62
454-4750DC8F-660
Big Block Chevy w/ 8 Counterweights
4.750
454
2.200
6.600
2250
$1227.18
$1115.62
454-4750DC8F-670
Big Block Chevy w/ 8 Counterweights
4.750
454
2.200
6.700
2300
$1227.18
$1115.62

CHRYSLER CRANKS

CHEVY BIG BLOCK FORGED CRANKS

Part Number
Description
Stroke
Main
Rod Pin Diameter
Minimum Rod Length
Bob Weight
Retail
OUR PRICE
Add To Cart
340-3580EB6F
Small Block Chrysler -2.100" Rod Pins
3.580
340
2.100
6.123
1900
$1099.82
$999.84
340-3580EF6F
Small Block Chrysler -2.125" Rod Pins
3.580
340
2.125
6.123
1900
$1099.82
$999.84
340-3790EB6F
Small Block Chrysler -2.100" Rod Pins
3.790
340
2.100
6.123
1900
$1099.82
$999.84
340-4000EB6F
Small Block Chrysler -2.100" Rod Pins
4.000
340
2.100
6.123
1900
$1099.82
$999.84
340-4000EF6F
Small Block Chrysler -2.125" Rod Pins
4.000
340
2.250
6.123
1900
$1099.82
$999.84
340-4125EA6F
Small Block Chrysler -2.000" Rod Pins
4.125
340
2.000
6.123
1900
$1099.82
$999.84
360-3790FB6F
Small Block Chrysler -2.100" Rod Pins
3.790
360
2.100
6.125
1900
$1099.82
$999.84
360-4000FF6F
Small Block Chrysler -2.125" Rod Pins
4.000
360
2.125
6.125
1900
$1099.82
$999.84

CHRYSLER GEN III HEMI CRANKS

Part Number
Description
Stroke
Main
Rod Pin Diameter
Minimum Rod Length
Bob Weight
Retail
OUR PRICE
Add To Cart
345-3580JB6F
Chrysler Gen III Hemi w/ 2.100" Rod Pins
3.580
GEN III Hemi
2.100
6.125
1700
$1135.36
$1032.15
345-3593JB6F
Chrysler Gen III Hemi w/ 2.100" Rod Pins NHRA Approved
3.593
GEN III Hemi
2.100
6.125
1700
$1135.36
$1032.15
345-3795JB6F
Chrysler Gen III Hemi w/ 2.100" Rod Pins NHRA Approved
3.795
GEN III Hemi
2.100
6.125
1700
$1135.36
$1032.15
345-3900JA6F
Chrysler Gen III Hemi w/ 2.000" Rod Pins
3.900
GEN III Hemi
2.000
6.125
1700
$1135.36
$1032.15
345-3900JB6F
Chrysler Gen III Hemi w/ 2.100" Rod Pins
3.900
GEN III Hemi
2.100
6.125
1600
$1135.36
$1032.15
345-4000JB6F
Chrysler Gen III Hemi w/ 2.100" Rod Pins
4.000
GEN III Hemi
2.100
6.125
1600
$1135.36
$1032.15
345-4050JA6F
Chrysler Gen III Hemi w/ 2.000" Rod Pins
4.050
GEN III Hemi
2.000
6.125
1700
$1135.36
$1032.15
345-4080JA6F
Chrysler Gen III Hemi w/ 2.000" Rod Pins
4.080
GEN III Hemi
2.000
6.125
1700
$1135.36
$1032.15
345-4250JA6F
Chrysler Gen III Hemi w/ 2.000" Rod Pins
4.250
GEN III Hemi
2.000
6.125
1700
$1135.36
$1032.15

CHRYSLER GEN III HEMI 8 COUNTERWEIGHT BILLET CRANKS

Part Number
Description
Stroke
Main
Rod Pin Diameter
Minimum Rod Length
Bob Weight
Retail
OUR PRICE
Add To Cart
345-3900JB8B
Chrysler Gen III Hemi w/ 2.100" Rod Pins
3.900
GEN III Hemi
2.100
6.125
1750
$2650
$2495
345-4050JB8B
Chrysler Gen III Hemi w/ 2.100" Rod Pins
4.050
GEN III Hemi
2.100
6.125
1750
$2650
$2495

CHRYSLER GEN III HEMI 8 COUNTERWEIGHT BILLET CRANKS

Part Number
Description
Stroke
Main
Rod Pin Diameter
Minimum Rod Length
Bob Weight
Retail
OUR PRICE
Add To Cart
345-3900JB8B
Chrysler Gen III Hemi w/ 2.100" Rod Pins
3.900
GEN III Hemi
2.100
6.125
1750
$2650
$2495
345-4050JB8B
Chrysler Gen III Hemi w/ 2.100" Rod Pins
4.050
GEN III Hemi
2.100
6.125
1750
$2650
$2495

CHRYSLER 383-400 CRANKS

Part Number
Description
Stroke
Main
Rod Pin Diameter
Minimum Rod Length
Bob Weight
Retail
OUR PRICE
Add To Cart
383-3910NC6F
383/400 Chrysler - 2.200" Rod Pins
3.910
383/400
2.200
6.450
2200
$1116.95
$1025.27
383-4150NC6F
383/400 Chrysler - 2.200" Rod Pins
4.150
383/400
2.200
6.450
2200
$1116.95
$1025.27
383-4250NC6F
383/400 Chrysler - 2.200" Rod Pins
4.250
383/400
2.200
6.500
2200
$1116.95
$1025.27

CHRYSLER 426-440 BIG BLOCK CRANKS

Part Number
Description
Stroke
Main
Rod Pin Diameter
Minimum Rod Length
Bob Weight
Retail
OUR PRICE
Add To Cart
426-3750MC6F
Big Block Chrysler 8 Bolt Flange
3.750
426/440
2.200
6.760
2600
$1116.95
$1025.27
426-3750ME6F
Big Block Chrysler 8 Bolt Flange
3.750
426/440
2.375
6.760
2600
$1116.95
$1025.27
426-4150MC6F
Big Block Chrysler 8 Bolt Flange
4.150
426/440
2.200
6.760
2300
$1116.95
$1025.27
426-4150ME6F
Big Block Chrysler 8 Bolt Flange
4.150
426/440
2.375
6.760
2300
$1116.95
$1025.27
426-4250MC6F
Big Block Chrysler 8 Bolt Flange
4.250
426/440
2.200
6.760
2300
$1116.95
$1025.27
426-4375MC6F
Big Block Chrysler 8 Bolt Flange
4.375
426/440
2.200
6.760
2300
$1116.95
$1025.27
426-4500MC6F
Big Block Chrysler 8 Bolt Flange
4.500
426/440
2.200
6.760
2300
$1116.95
$1025.27
440-3750ME6F
Big Block Chrysler 6 Bolt Flange
3.750
426/440
2.375
6.760
2600
$1116.95
$1025.27
440-4150MC6F
Big Block Chrysler 6 Bolt Flange
4.150
426/440
2.200
6.760
2300
$1116.95
$1025.27
440-4150ME6F
Big Block Chrysler 6 Bolt Flange
4.150
426/440
2.375
6.760
2300
$1116.95
$1025.27
440-4250MC6F
Big Block Chrysler 6 Bolt Flange
4.250
426/440
2.200
6.760
2300
$1116.95
$1025.27

FORD CRANKS

FORD SMALL BLOCK CRANKS

Part Number
Description
Stroke
Main
Rod Pin Diameter
Minimum Rod Length
Bob Weight
Retail
OUR PRICE
Add To Cart
302-3250GB6F
302 Ford w/ 302 Width Rod Pins
3.250
302
2.100
5.400
1750
$1016.54
$924.13
302-3400GB6F
302 Ford w/ 302 Width Rod Pins
3.400
302
2.100
5.400
1750
$1016.54
$924.13
351-3500HB6F-60
351 Ford w/ 2.100" Chevy Rod Pins
3.500
Cleveland
2.100
6.000
1800
$1016.54
$924.13
351-3500HB6F-RN
50# Ford Late Model Stock
3.500
Cleveland
2.100
6.000
1600
$1162.22
$1056.56
351-3750HB6F-60
351 Ford w/ 2.100" Chevy Rod Pins
3.750
Cleveland
2.100
6.000
1800
$1016.54
$924.13
351-3850HB6F-60
351 Ford w/ 2.100" Chevy Rod Pins
3.850
Cleveland
2.100
6.000
1800
$1016.54
$924.13
351-4000HB6F-60
351 Ford w/ 2.100" Chevy Rod Pins
4.000
Cleveland
2.100
6.000
1700
$1016.54
$924.13
351-4000HB6F-62
351 Ford w/ 2.100" Chevy Rod Pins
4.000
Cleveland
2.100
6.200
1800
$1016.54
$924.13

FORD MODULAR 8 COUNTERWEIGHT BILLET

Part Number
Description
Stroke
Main
Rod Pin Diameter
Minimum Rod Length
Bob Weight
Retail
OUR PRICE
Add To Cart
281-3543SJ8B
4.6L Ford Modular Billet w/ 8 Counterweights
3.543
2.657
2.086
5.933
1780
$2650
$2495

FORD BIG BLOCK CRANKS

Part Number
Description
Stroke
Main
Rod Pin Diameter
Minimum Rod Length
Bob Weight
Retail
OUR PRICE
Add To Cart
460-4300PC6F
460 Ford w/ 2.200" Rod Pins
4.300
460
2.200
6.700
2400
$1240.31
$1127.55
460-4500PC6F
460 Ford w/ 2.200" Rod Pins
4.500
460
2.200
6.700
2400
$1240.31
$1127.55
460-4600PC6F
460 Ford w/ 2.200" Rod Pins
4.600
460
2.200
6.700
2400
$1240.31
$1127.55

PONTIAC CRANKS

PONTIAC 400 CRANKS

Part Number
Description
Stroke
Main
Rod Pin Diameter
Minimum Rod Length
Bob Weight
Retail
OUR PRICE
Add To Cart
401-4375RC6F
400 Pontiac w/ 2.200" Rod Pins
4.375
400
2.200
6.535
2300
$1169.89
$1063.54
401-4500RC6F
400 Pontiac w/ 2.200" Rod Pins
4.500
400
2.200
6.535
2300
$1169.89
$1063.54
401-4650RC6F
400 Pontiac w/ 2.200" Rod Pins
4.650
400
2.200
6.535
2300
$1169.89
$1063.54
401-4250RC6F
400 Pontiac w/ 2.200" Rod Pins
4.250
400
2.200
6.535
2300
$1169.89
$1063.54

BUICK CRANKS

BUICK 455 BILLET

Part Number
Description
Stroke
Main
Rod Pin Diameter
Minimum Rod Length
Bob Weight
Retail
OUR PRICE
Add To Cart
455-4400RB8B
455 Buick w/ 2.200" Rod Pins Uses .925" Wide Buick Rods
4.400
455 Buick
2.200
6.600
2200
$2650
$2495