SBC Crankshaft | Stock Stroke and SBC Stroker Crank Models

Molnar SBC Crank

We have a large assortment of sbc crankshaft models to choose from. We have stock stroke and several different sbc stroker crank lengths available for these popular V8 engines. We also have sbc lightweight crankshaft models in several sizes as well as a sbc crank with honda rod journals. Molnar Technologies superior 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 SBC crankshaft

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

Molnar SBC 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

Molnar SBC Crankshaft List

4340 Forged Steel Small Block Chevy Crankshaft Specs

  • Stroke Crankshaft stroke length
  • Desc Additional information about specific applications
  • Pin Crank rod pin / rod journal diameter
  • Main Main journal size
  • Min Rod Recommended minimum rod length
  • Bob Approximate bob weight
Stroke Description and Notes Pin Main

Min
Rod

bob Part # and Price

SBC Crankshafts

3.480

50 pound Legal with rounded leading and trailing counterweight edges

2.100 350 5.700 1450

350-3480BB6F-RN

$925.48 $799.34
3.480   2.100 350 5.700 1800

350-3480BB6F-57

$859.38 $742.25
3.500 with big block snout and Honda rod journal 1.888 283 / 327 6.000 1675

283-3500AD6F-60

Discontinued, no longer available

3.500   2.100 350 6.000 1800

350-3500BB6F-60

$859.38 $742.25
3.562 with Honda rod journal 1.888 350 6.000 1800

350-3562BD6F-60

Out of stock, Discontinued

3.625   2.100 350 5.700 1800

350-3625BB6F-57

$859.38 $742.25
3.750 3.750" Stroke 2.100 350 5.700 1800

350-3750BB6F-57

$859.38 $742.25
3.750   2.100 350 6.000 1800

350-3750BB6F-60

$859.38 $742.25
3.750 One piece rear main seal 2.100 350 5.700 1800

350-3750BB6F-OPS-57

$859.38 $742.25
3.800   2.100 350 5.700 1800

350-3800BB6F-57

$859.38 $742.25
3.875   2.100 350 5.700 1800

350-3875BB6F-57

$859.38 $742.25
3.875 400 Mains 2.100 400 5.850 1800

400-3875CB6F-585

$859.38 $742.25
4.000   2.100 350 5.850 1800

350-4000BB6F-585

$859.38 $742.25
4.000   2.100 350 6.000 1800

350-4000BB6F-60

$859.38 $742.25

SBC Lightweight Crankshafts

3.350 with Honda rod journal and 283 Main Journal 1.888 283 6.000 1800

283-3350AD6L-60

$1280.31 $1105.80
3.500 3.500 Lightweight, 2.000 small journal 2.000 350 6.000 1800

350-3500BA6L-60

$1280.31 $1105.80
3.500 3.500" Lightweight, 5.700 minimum rod length 2.100 350 5.700 1800

350-3500BB6L-57

$1280.31 $1105.80
3.500 3.500" Lightweight, 6.000 minimum rod length 2.100 350 6.000 1800

350-3500BB6L-60

$1280.31 $1105.80
3.750 3.750" Lightweight 2.100 350 5.700 1800

350-3750BB6L-57

$1280.31 $1105.80
3.750 3.750" Lightweight 2.100 350 6.000 1800

350-3750BB6L-60

$1280.31 $1105.80
3.875 3.875" Lightweight 2.100 350 6.000 1800

350-3875BB6L-60

$1280.31 $1105.80

 

If you do not find the small block Chevy 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 site you.

Comments

  1. Neil Kaufman says:

    do you have a 4340 Molnar crank for a SBC 400 main, 3.875 or 4.00 inch throw, please?
    Thanks, Neil cel # 503-970-5325

    • molnarrods says:

      Hello Neil,

      Yes, we do have a 3.875 stroke, 400 main journal crank available. They were left off the catalog listing by mistake but we just updated the page so you can see that model now.

      Thank you for bringing that to our attention and we look forward to assisting you.

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