Small Block Mopar Connecting Rods

Molnar SBM Connecting Rods

Molnar Technologies H Beam Small block Dodge, Chrysler, Plymouth rods are machined from billet 4340 steel, and then heat treated to provide improved strength. To make the rods even stronger, they are shot peened to which also increases fatigue life. All Molnar small block Mopar connecting rods are fitted with highly durable premium bronze bushings for use with floating pin type pistons. Each rod set for the Mopar small block engines includes ARP fasteners, lubricant and installation guidelines.

All Molnar small block Mopar rods are finished in the United States at the Molnar Technologies shop in Michigan. Critical rod dimensions are are held to very precise tolerances of +/- .0001 of an inch, which is the tightest tolerance you will find in the performance and racing aftermarket.

Molnar H Beam 273 318 340 360 Connecting Rods

Small Block Mopar H Beam rod

small block chrysler connecting rod

Chrysler Dodge Plymouth Small Block Rods Specs and Prices

  • Length Rod length of the connecting rod, as measured center to center, in inches.
  • Wt Weight in grams, of one complete connecting rod assembly
  • Notes Additional information about specific applications
  • Jrnl Crank rod journal diameter
  • Pin Size Piston pin diameter, in inches or millimeters
  • BE Width of the crankshaft end of one rod
  • PE Width of the piston end of one rod
  • Bolts Rods come with 7/16" diameter ARP2000 fasteners installed.
  • Part Number Molnar Technologies Connect Rod set part number
  • Price The price shown is for a complete set of rods for the engine
Part Number Length Wt Notes Jrnl Pin BE PE

Fits the Chrysler Dodge Plymouth Mopar 273 318 340 360 5.2 Magnum and 5.9 Magnum engine and stroker engines based on these blocks.


$803.53 $694.01
6.123 623 Uses small block chevy size .927" Pin 2.125 0.927 0.927 1.03

$803.53 $694.01
6.123 623 Stock size .984" Pin 2.125 0.984 0.927 1.03


$803.53 $694.01
6.123 603

Special rod set for use with Molnar crankshaft # 340-4180ED6F which is a 4.180 stroke, 340 main journal size crank with Honda size rod pins.

Use with Clevite CB-1663 or equivalent bearings



0.912 0.927 1.06

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