Enginetech ES274 hydraulic flat tappet camshaft for 1957-1995 GM 4.6L-6.6L V8.
Specs: .050\" duration 194 int/202 exh, cam lift .260/.273, valve lift .390/.409, lobe centers 108/116.
Benefits:
• Reliable stock/mild performance
• Direct replacement for rebuilds
• Fits Impala, Camaro, Corvette & more
Except high lift cams. VIN check recommended.
Install: Degree cam, check springs/clearances, follow flat tappet break-in.
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