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139 0402 Valve 1 Z

 Engine builder Chris Lafferty switches out a set of springs for Endura-Tech valvesprings in a test engine.
Endura-Tech Valvesprings - The Case Of The Bionic Valvespring

Engine builder Chris Lafferty switches out a set of springs for Endura-Tech valvesprings in a test engine.  View Related Article

 

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