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Conrods & Pistons

For trouble free bearing life, big end bores are machined to factory specified size & finish providing optimum bearing crush & heat transfer. Conrod small end bushes are fitted and machined, conrods can be converted to fully floating and rod lengths can be changed marginally for special applications. Conrods can be lightened and balanced also and then fitted and aligned to the pistons.


  • Conrod resizing of big end bores
  • Internal grinding & honing.
  • Replacement of small end bushes
    & pin boring

  • Piston fitting & alignment
  • Piston machining for valve relief
  • Conrod balancing & lightening
  • Machining & fitting of o/size
    conrod bolts

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Adam King
Portland VIC
AMCA National Speedway car limited by rules. 300+ HP
Holden 253, 13.0:1 comp, 500 Holley, alcohol fuel, standard valve sizes.
Current Australian and Victorian champion.
Victorian champion in 07-08, 08-09, 09-10
South Australian Champion in 07-08.
When you are running at the top level of competition you can rely on Port City Engines to provide the ultimate engine.
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