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GReddy Spec. R cores feature a high heat-dissipating "inner-fin" technology. They are recommended for medium to high boost levels on higher horsepower or upgraded turbo engines. The larger internal surface area provides a superior cooling efficiency for radiating excessive heat and minimizing heat soak. In addition to being a light-weight tube and fin design, all Spec R cores also get an unique GReddy process, called "CCP" to chemically polish the outer tube surface. This increases the visual appeal while prolonging the corrosion resistance.
Some Spec R kits are labeled "HG" or High Grade; these kits feature piping and end-tanks that have been hand-polish to a mirror finish for the ultimate in aesthetic quality.
Core Size: 25R* HG - H294 x L600 x W149* mm
Make: Nissan
Model: Silvia (S14 / S15) SR20DET
Years: 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
