Rotax 1630 ACE Rods | Seadoo 300 Connecting Rods

Molnar Technologies

Molnar Technologies H Beam Rotax 1630 ACE 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 which also increases fatigue life. All Molnar Rotax 1630 engine rods are fitted with highly durable premium bronze bushings for use with floating pin type pistons. Each rod set for the Seadoo Rotax 1630 engine includes ARP fasteners, lubricant and installation guidelines.

All Molnar 1630 Rotax ACE conrods 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 stock rebuild, high performance and racing Rotax 1630 ACE engines. These engines are currently used in the Sea Doo 300 with other marine and snowmobile applications likely to be introduced.

H Beam Seadoo 300 Rotax 1630 ACE Connecting Rods

Rotax 1630 ACE Rods

Seadoo 300 connecting rods

Molnar Sea Doo 1630 Rotax ACE 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.

Rotax 1630 ACE Engine Rods

Part Number Length Notes Wt Jrnl Pin BE PE

$459.42 $396.80
4.527 For use in 1630 Rotax ACE engine 501 Stock 22mm 0.865 0.865


If you did not find the Sea Doo or Rotax 1630 performance parts you need, please contact us for assistance. New parts are constantly in development so we may have piston rods available that have not been added to this site yet.

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