Comp Cams FW 291T HR-107 MT THUMPR CAMSHAFT Porsche 911 GT3/RS (997) What's the return window if

What's the return window if one of these doesn't work after install

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Huawei Mate 20 Pro / Huawei Mate 20 RS / Huawei P30 Pro / Huawei Mate 30 / Huawei Mate 30 RS / Huawei Mate RS / Huawei P40 Pro

OEM-equivalent dimensions - Bolts into factory mounting locations without modification

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Comp Cams FW 291T HR-107 MT THUMPR CAMSHAFT Porsche 911 GT3/RS (997) What's the return window ifHYDRAULIC ROLLER: High performance street strip, needs 9: 1 CR, 2500+ stall, intake, gears, and headers, rough idle Must use #8931 16 lifters with this cam Vehicle Fitments: Year Make Model Submodel 1981 1993 Ford Bronco Custom 1985 1995 Ford Bronco Eddie Bauer 1981 Ford Bronco Ranger XLT 1990 1995 Ford Bronco XL 1982 1983 Ford Bronco XLS 1984 1995 Ford Bronco XLT 1982 1993 Ford Bronco XLT Lariat 1992 Ford Bronco XLT Nite 1995 Ford Bronco XLT Sport