JE Pistons has announced the release of their new "SRP Professional" piston kits for the Mitsubishi 4G63T and 4B11T engines. After over a year of design, development and dyno testing the new pistons are now available for purchase. Every SRP Professional piston kit includes a lightweight forged side relief (FSR) forging, premium wrist pins, and high performance JE Pro Seal Rings. The pistons offer a 9.0:1 compression ratio that is perfect for high performance turbocharged engines that run on pump or race gas.
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