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Coupon Code Boost5 at checkout

Due to an increase in sales volume and demand please inquire about inventory and allow extra time for some items to ship!

Financing available for as low as 0%.

CP 99.5mm Bore 9.0:1 Piston Set

The piston is the weak link in the stock STI block. These are great for someone either reassembling a their block or someone looking to put in some strong pistons in their "built" block.

Throw these forged high strength aluminum pistons in and turn up the boost and get more power from your STI! These CP pistons have been put through rigorous testing. In short, they are build to withstand nearly whatever you can throw at em'!



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