Comp Cams 4.6L 3V Mutha Thumpr Cam
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Comp Cams 4.6L 3V Mutha Thumpr Cam

$896.45
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Comp Cams 127020 4.6L 3V Mutha Thumpr Cam Cam Style: Hydraulic roller follower Basic Operating RPM Range: 750-6,600 Intake Duration at 050 inch Lift: 234 Exhaust Duration at 050 inch Lift: 254 Duration at 050 inch Lift: 234 int./254 exh. Advertised Intake Duration: 273 Advertised Exhaust Duration: 306 Advertised Duration: 273 int./306 exh. Intake Valve Lift with Factory Rocker Arm Ratio: 0.450 in. Exhaust Valve Lift with Factory Rocker Arm Ratio: 0.450 in. Valve Lift with Factory Rocker Arm Ratio: 0.450 int./0.450 exh. Lobe Separation (degrees): 109 Computer-Controlled Compatible: Yes Grind Number: MT273LL-9 Valve Springs Required: No Quantity: Sold as a pair. Notes: Mutha' Thumpr, designed to fit SOHC modular 3V engines. Requires cam phaser upgrade and custom tuning. These COMP Cams Thumpr NSR modular 3-valve camshafts for Ford 4.6L/5.4L engines deliver an aggressive "thumping" exhaust idle and generous power gains i

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