Comp Cams 54-428-11 XFI RPM HI-LIFT Camshaft for 1997+ Gen III IV GM LS EnginesXFI RPM HI LIFT 228 230 Hydraulic Roller Cam for GM LS GEN III IV High RPM street strip camshaft for use with LS6 or aftermarket intake. Requires computer modifications. Grind Number: XR281HR Engine Family: GM LS GEN III IV 3 Bolt 8 Cylinder (1997 2015) RPM Operating Range: 2,200 7,200 Cam Type: Hydraulic Roller Lifter Style: Hydraulic Roller Camshaft Series: XFI RPM Hi Lift Camshaft Gear Attachment: 3 Bolt Usage: Street Strip Valve Springs Required:

Kit includes a Diablosport I3 handheld

- 3 bolt gear required

GOOD FOR TOWING

These ZEX nitrous bottle heaters thermostatically raise the bottle pressure

Grind Number: G3 XFI 260 HR15

GOOD LOW END TORQUE AND PULLING POWER

Computer-Controlled Compatible: Yes

The C-Com® software features enable conditions to turn it on/off automatically and also has an overall enable/disable feature

Texas Speed Pushrods (7

As the crankshaft flexes

fits Small Block Chevy engines equipped with flat tappet camshafts

Exclusive spiral lock type clips replace retaining clips