Pontiac 400 Stroker Crank

Molnar Technologies Pontiac Crankshaft

We have an assortment of Pontiac 400 crankshaft models to choose from and new parts are constantly under development for addition to the Molnar Technologies line of premium forged steel 400 Pontiac crankshaft offerings. We have a selection of different length Pontiac 400 stroker crank part numbers available for these popular high performance Pontiac V8 engines. The available stroke lengths are 4.250, 4.375, 4.500 and 4.650 which provides you with many options for building your desired cubic inch Pontiac stroker engine.

Pontiac 400 stroker crank

Molnar Technologies superior 4340 steel Pontiac 400 forged crankshafts are extremely strong, precision machined high performance parts and are ideal for use in high performance street cars and trucks, muscle car restorations,  and competition cars, trucks, boats and more. A wide variety of displacement sizes can be built using these cranks as the foundation for a Pontiac 400 stroker kit. These Pontiac 400 crankshaft models are an excellent choice for use in building a high output, dependable 400 Pontiac stroker engine powered vehicle.

Check out the many premium features included with each Molnar 400 Pontiac 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 400 stroker crankshaft.

Molnar Pontiac 400 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

These crankshafts will fit 400 Pontiac based stroker engines built using these OEM engine specs as foundations when using OEM or aftermarket engine blocks.

Molnar Pontiac 400 Stroker Crank 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
Part # and Price Stroke Desc Pin Main Min


$1228.38 $1060.95
4.250 Pontiac 400 with 2.200" Rod Pins 2.200 400 6.535 2150


$1228.38 $1060.95
4.375 Pontiac 400 with 2.200" Rod Pins 2.200 400 6.535 2150


$1228.38 $1060.95
4.500 400 Pontiac with 2.200" Rod Pins 2.200 400 6.535 2150


$1228.38 $1060.95
4.650 400 Pontiac with 2.200" Rod Pins 2.200 400 6.535 2150


If you do not find the 400 Pontiac crankshaft you need, please contact us for assistance. New models are constantly in development so we may have Pontiac forged steel cranks available that have not been added to this website yet.

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