3.4 l engine performance kit / X51: Differences: Camshafts
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The inlet camshafts and exhaust camshafts possess a greater cam stroke.
Camshafts of cylinder bank 1 - 3
Identification on the camshaft
Inlet camshaft: 991.00 3,4 L/KIT IN 1--3
Exhaust camshaft: 996.00 3,4 L/KIT IN 1--3
further to Item 2