Genuine LS9 Camshaft 12638427

Genuine LS9 Camshaft. Good mild camshaft upgrade for 6.2L LS3's, naturally aspirated they typically add 30rwhp. Also good for supercharged LS3's. These are a 3-bolt style cam and will only work with Gen 4 engines with the cam sensor on the timing cover. 
Duration @ .050" Lift( Deg): Intake: 211 / Exhaust: 230
Maximum Lift (in) W/ 1.7 Rocker: Intake: .562 / Exhaust: .562
Lobe Centerline ( deg): 122.5
These cams work with stock LS3 valve springs. 
Part number 12638427