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Ecotec Nitrited Oversized Valves

Camshafts & Valvetrain - Ecotec Nitrite Oversized Intake Valves
Camshafts & Valvetrain - Ecotec Nitrite Oversized Intake Valves

This is a one step above stock Nitrited low friction valve for the Ecotec 2.0 LSJ/LNF/LHU/LDK, and the 2.4 LE5s. These valves are .5mm oversized, we have tested many valve sizes and this is the size that we recommend. The head needs to be ported to take full advantage of an oversized valve. Installing a full set of these with no other modifications will increase the compression ratio on an LNF from 9.2 to 9.3 and an LSJ from 9.5 to 9.75.

The next upgrade above these are the Inconel valves.

Camshafts & Valvetrain - Ecotec Nitrite Oversized Intake Valves
Camshafts & Valvetrain - Ecotec Nitrite Oversized Intake Valves
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Filter Reviews:
  • stock exhaust manifold
  • port work
  • competition valve job
  • valves
  • torque
  • cams
  • Gain
CH
10/21/2021
Chris H.
United States United States

We make them KICK A__!!!! with these valves!

With these valves, our competition valve job, cams, flowing and port work, we are seeing an honest, almost 50 horsepower gain and 50 torque. (nearly 200 with stock exhaust manifold) RET Racing Engine Technologies www.facebook.com/RacingEngineTechnologies

ZZPerformance Ecotec Nitrite Oversized Valves Review
MW
02/13/2020
Michael W.
United States United States

Great valves

Made 300 hp naturally aspirated with a plenum using these calves