15-21 WRX & STI Pistons & Rods
CP 99.5 Bore 9.0:1 Piston Set 15-21 Subaru STI
$885.15
Part Number: cppSC7425
Description: Individual CP Piston; For Turbo / Supercharger & N2O Applications; No Locks Supplied, use Factory Locks
Bore: 3.9175 (99.5mm)
Comp Height: 1.208
Size: STD
Comp Ratio: 9.0:1
Fitment: 15-21 Subaru STI
Notes: Not for sale in California not CARB Legal
Details:
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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