Seller notes

Comp Cams 12-602-4 Big Mutha Thumpr Camshaft for Chevrolet SBC 305 350 400 Engine Camshaft Model or Series: Big Mutha' Thumpr Make: Chevy Engine: 262-400 Camshaft Type: Hydraulic Flat Tappet RPM Range: 2500 to 6400 Intake Valve Lift: .500" Exhaust Valve Lift: .486" Advertised Intake Duration: 295 Advertised Exhaust Duration: 313 Intake Duration @ .050": 243 Exhaust Duration @ .050": 257 Lobe Separation: 107 Firing Order: Standard Cam Gear Attachment: 3-Bolt Camshaft Material: Cast Iron Camshaft ...

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