Corvette Crankcase Vent Tube. 250 & 300 HP: 1964-1965

Corvette Crankcase Vent Tube. 250 & 300 HP: 1964-1965

Marsoni

M251S

$136.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Corvette Crankcase Vent Tube. 250 & 300 HP: 1964-1965Restore authentic airflow in your classic Corvette with the Corvette Crankcase Vent Tube, precisely sized for 19641965 models equipped with 250 HP and 300 HP engines. This directfit replacement preserves the original engine bay look while delivering essential crankcase ventilation where it matters most. Crankcase ventilation is the heart of reliable engine healthit manages blowby gases, maintains proper crankcase pressure, and helps protect seals and

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I will use this in every car I own from now. Cleaned it real well did exactly what it said so and my truck runs a lot better definitely can tell the difference.. it was work the extra oil and work. The bottle I bought came with instructions in English, which made it easy for me. The quality of it is light brake cleaner, but meant for engines and it ran great very easy to use this pour in.

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Reviewed in the United States on October 19, 2025

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Beni

West Palm Beach, US

★★★★★ 5

Does its job.

Always a go to before oil changes. Helps remove some extra sludge/deposits. DO NOT DRIVE OR REV THE VEHICLE WHEN USNG THE PRODUCT, only idle for 10-15 min. Ive seen reviews where people drove with it potentially ruining the engine.

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Reviewed in the United States on March 26, 2026

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Adan Ichich

Fort Morgan, US

★★★★★ 5

Calidad de limpieza al motor

Excelente producto, lo llevo usándolo un buen tiempo, en cada cambio de aceite, limpia bien por dentro del motor. Es fácil usarlo, hecharlo donde se llena el aceite del motor, y enciende el motor espere 10 minutos, y apague el motor, y vuelve a esperar 25 o 30 minutos para que se enfríe el motor, ya cumplido lo 25 o 30 minutos sacar el aceite viejo del motor. Listo, producto muy recomendable. Excelente funcionamiento, chevy silverado 2004

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Reviewed in the United States on March 15, 2026

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Kwang's Chowover

Omaha, US

★★★★★ 5

Good

Very nice very good

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Reviewed in the United States on February 10, 2026