Small Block Mopar Crankshafts | SBM Forged Stock Stroke and Stroker Crankshaft | 273 318 340 360

Molnar Technologies

We have a large assortment of small block Mopar crankshaft models to choose from. We have stock stroke and several different SBM stroker crank lengths available for these high performance V8 engines. Cranks listed here are for use in the Chrysler, Dodge, Plymouth Mopar 273, 318, 340, 360, 5.2 Magnum and 5.9 Magnum engines.

Molnar Technologies superior forged steel crankshafts are extremely strong, precision machined high performance parts and can be used in everything from a high performance street car to an all out competition vehicle.

molnar 273 318 340 360 small block mopar crankshaft

Check out the many premium features included with each Molnar small block Mopar crankshaft and order today to get started on your next engine project. Check out our selection of Molnar Technologies H beam connecting rods also and get a set of rods that will be the perfect match for your new crankshaft.

Molnar Small Block Mopar Crankshaft Features

  • 4340 forged premium steel construction
  • Nitrided main and rod journal surfaces for superior wear resistance
  • Multi stage heat treatment
  • Precision machined to extremely tight tolerances
  • Material properties are monitored closely to insure optimum performance
  • Counterweight placement designed for improved crankshaft performance
  • .125" radius on both the connecting rod and main journals for increased strength
  • Precision ground and micro-polished journals
  • Chamfered oil holes for improved oiling
  • Indexed for correct stroke

4340 Forged Steel Small Block Chrysler Dodge Plymouth Crankshaft Specs

  • Stroke Crankshaft stroker length in inches
  • Notes Additional information about specific applications
  • Pin Crank rod pin / rod journal diameter in inches
  • Main Main journal size in inches
  • Min Rod Recommended minimum rod length in inches
  • Bob Approximate bob weight in grams

Molnar Small Block Chrysler Crankshaft Specifications and Price List

SBM 273 318 340 and 5.2 Magnum

Stroke Notes Pin Main Min
Rod
Bob Part # and Price
3.580 3.580" Stroke with Chevy 2.100" Rod Pins 2.100

273
318
340
5.2L

2.500

6.123 1850 340-3580EB6F

$991.58 $856.43
3.580 3.580" Stroke with stock Mopar Rod Pins 2.125 340-3580EF6F

$991.58 $856.43
3.790 3.790" Stroke with Chevy 2.100" Rod Pins 2.100 340-3790EB6F

$991.58 $856.43
4.000 4.000" Stroke with Chevy 2.100" Rod Pins 2.100 340-4000EB6F

$991.58 $856.43
4.000 4.000" Stroke with standard small block Mopar rod pins 2.125 340-4000EF6F

$991.58 $856.43
4.125 4.125" Stroke with 2.000" small block chevy, small journal rod pins 2.000 340-4125EA6F

$991.58 $856.43

SBM 360 and 5.9 Magnum

3.790 3.790" Stroke with Chevy
2.100" Rod Pins
2.100

360

2.810

6.123 1850

360-3790FB6F

$991.58 $856.43
4.000 360 Chrysler main journals and 4.000 Stroke with standard small block Mopar rod pins 2.125

360

2.810

6.123 1850 360-4000FF6F

$991.58 $856.43

 

If you do not find the small block Mopar crankshaft you need, please contact us for assistance. New models are constantly in development so we may have cranks available that have not been added to this website yet.