★★★★★ 5
Its ok but falls out
Works good but not connected to the unit so it falls out
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Reviewed in the United States on April 16, 2026
Supertech Mitsubishi 4G63/4G63T Black Nitrided Exhaust Valve - +0.5mm Oversize - Single (D/S Only)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Supertech Mitsubishi 4G63/4G63T Black Nitrided Exhaust Valve - +0.5mm Oversize - Single (D/S Only)Supertech Mitsubishi 4G63 4G63T Black Nitrided Exhaust Valve +0. 5mm Oversize Single
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Exchange/Return Notes
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- Final sale items are not eligible for returns or exchanges.
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4.5 ★★★★★
Based on 197 reviews
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Product Reviews
★★★★★ 5
Excelente
Excelente
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2026
★★★★★ 4
Functions. No trigger,need relay for car install
Functions,but will not turn off. No remote wire,just positive & negative. Need relay to install correctly to use on-board fuse. Or connect to remote only to view voltage use. No instructions.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 29, 2025
★★★★★ 5
Good quality
Good quality
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Reviewed in the United States on December 14, 2025
★★★★★ 5
Se ve excelente
Se ve de buena calidad, aún no lo instaló pero si se aprecia muy bueno.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 11, 2026
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