Comp Cams Ls1 Xr281hr-12 High-Performance Engines this exhaust system is engineered

this exhaust system is engineered to last with durable materials and backed by a 1-year warranty against manufacturer defects

Make sure you grab the right wattage for your setup

Available with Hi-Tech

bare-handed use

NOTE：Cannot insert sim card

Comp Cams Ls1 Xr281hr-12 High-Performance Engines this exhaust system is engineeredXFIT RPM Hi Lift, XR281HR High RPM Street Strip Camshaft for use w LS6 or Aftermarket Intake HYDRAULIC ROLLER High RPM street strip camshaft for use with LS6 or aftermarket intake. Requires computer modifications. Lifter Type: Hydraulic Roller Engine Family: GM LS Gen III IV 8 Cyl. '97 Current Three Bolt 4. 8 5. 3 5. 7 6. 0 6. 2 7. 0L Engines Cam Family: XFIT RPM High Lift Specifications Intake Exhaust RPM Range: Valve Lash: Valve Timing: Duration: