SKU: ISK271280/290


Hydraulic Roller Camshaft suit LS1 1997-On 2500-6800
232°/242° @.050", .530"/.540" Gross Lift, 113° LSA

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Part Number: 271280/290
Grind Number: RR-280/290
Lifter Type: Hydraulic Roller
Engine Family: LS1 1997-On, Vortec 1990-On 4800-5300, 6000
Cam Family: Hydraulic Roller

Excellent mid-range performance. Fair idle. 2500 stall. 3.70-4.00 axle ratio. Up to 10.5:1 comp. Up to 750 CFM Carb.


RPM Range: 2500-6800
Lobe Separation Angle: 113°
Valve Lash: Intake .000". / Exhaust .000".
Advertised Duration: Intake 280° / Exhaust 290°
Duration @ .050" Lift: Intake 232° / Exhaust 242°
Valve Lift: Intake .530" / Exhaust .540"

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