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Pro Circuit - High Compression Piston
Increasing the compression is one of the only engine modifications that increase both low end and torque and top end power.
Whether your cylinder head is stock, or ported and polished, the results are the same� Increased performance and fuel economy at every RPM.
Pro Circiut Hi Comp Piston
Easy to install. Powerfull bottom power
Is the Better !
Excelent product !!!!
The Best Power,
The Best Torque !!
So much increase power vs Stock byke
Pro circuit piston with honda Rings?
excelent product but i don't understand why it comes with Honda Rings...
The best piston ever
The best, add power and torque
Can't go any better
Gains more power from the ground up, when you have to replace your piston, spend the money and get one of these, so much increase power vs stock...
Great Gains Everywhere in power band.
Gave bike more power every where.
Pro Circuit - High Compression Race Pistons
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