Mazda Miata Connecting Rods H Beam MX5 B6 BPZE and BP Rods

Molnar Technologies

Molnar Technologies H Beam Miata connecting 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 Mazda MX5 B6 B6ZE BP engine connecting rods are fitted with highly durable premium bronze bushings for use with floating pin type pistons. Each rod set for the Miata engines includes ARP fasteners, lubricant and installation guidelines.

All Molnar MX5 connecting 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. These rods are an excellent upgrade component for high performance and racing Miata MX5 engines.

H Beam Mazda MX5 B6ZE 1.6L and 1.8L BP Connecting Rods

Molnar Mazda connecting rods

Mazda Miata Connecting Rod

Molnar Mazda Miata MX5 Connecting Rod Specs Part Numbers and Application Info

  • Length Length of the connecting rod, as measured center to center, in inches.
  • Notes Additional information about specific applications
  • Wt Weight in grams, of one complete connecting rod assembly
  • Bolt Size 3/8 diameter Rods come with ARP2000 fasteners installed
  • Jrnl Crank rod journal diameter
  • Pin 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
  • 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 Notes Wt Jrnl Pin BE PE



$518.83 $448.11
5.234 Miata MX5 B6, B6ZE and BP engines 482 Stock 20mm 0.860 0.860


If you did not find the MX5 con rods you need, please contact us for assistance. New models are constantly in development so we may have piston rods available that have not been added to this site yet.