COMP Cams Camshaft LS1 XEr281HR-12 - 54-446-11

Hydraulic Roller - XFI XE-R: Xtreme Energy XE-R design for standard displacement LS6 and LS1. Race only applications. Custom tuning required.; 281/283 Advertised Duration, 232/234 Duration .050", .595"/.598" Lift, 112 Lobe Separation; Use Dual Valve...

COMP Cams Camshaft LS1 XEr273HR-14 - 54-444-11

Hydraulic Roller - XFI XE-R: High rpm street/strip with XE-R lobe designs. Requires custom tuning.; 273/279 Advertised Duration, 224/230 Duration .050", .581"/.588" Lift, 114 Lobe Separation; Use Beehive Valve Spring part #26918-16 with this camshaft

COMP Cams Camshaft LS1 XR281HR-12 - 54-428-11

Fits 4.8, 5.3, 5.7, 6.0, 6.2 and 7.0 Liter LS1, LS2, LS3, LS4, LS6, LS7 plus SUV and Truck Engines (Grinds are specific to displacement and cylinder head design)

COMP Cams Camshaft LS1 XR275HR-12 - 54-426-11

Hydraulic Roller - XFI RPM Hi-Lift: Great street/strip camshaft for mid-range and high rpm power. Requires custom tuning.; 275/277 Advertised Duration, 222/224 Duration .050", .566"/.568" Lift, 112 Lobe Separation; Use Beehive Valve Spring part...

COMP Cams Camshaft LS1 XR265HR-15 - 54-424-11

Fits 4.8, 5.3, 5.7, 6.0, 6.2 and 7.0 Liter LS1, LS2, LS3, LS4, LS6, LS7 plus SUV and Truck Engines (Grinds are specific to displacement and cylinder head design)

COMP Cams Camshaft LS1 XR277HR-12 - 54-418-11

Fits 4.8, 5.3, 5.7, 6.0, 6.2 and 7.0 Liter LS1, LS2, LS3, LS4, LS6, LS7 plus SUV and Truck Engines (Grinds are specific to displacement and cylinder head design)

COMP Cams Camshaft LS1 XR273HR-12 - 54-416-11

Fits 4.8, 5.3, 5.7, 6.0, 6.2 and 7.0 Liter LS1, LS2, LS3, LS4, LS6, LS7 plus SUV and Truck Engines (Grinds are specific to displacement and cylinder head design)

COMP Cams Camshaft LS1 XR269HR-14 - 54-414-11

Hydraulic Roller - XFI RPM: Great mid-range with superior top end power. Requires tuning.; 269/273 Advertised Duration, 216/220 Duration .050", .525"/.532" Lift, 114 Lobe Separation; Use Beehive Valve Spring part #26915-16 with this camshaft

COMP Cams Camshaft LS1 XR265HR-14 - 54-412-11

Fits 4.8, 5.3, 5.7, 6.0, 6.2 and 7.0 Liter LS1, LS2, LS3, LS4, LS6, LS7 plus SUV and Truck Engines (Grinds are specific to displacement and cylinder head design)

COMP Cams Camshaft LS1 XR259HR-12 - 54-408-11

Fits 4.8, 5.3, 5.7, 6.0, 6.2 and 7.0 Liter LS1, LS2, LS3, LS4, LS6, LS7 plus SUV and Truck Engines (Grinds are specific to displacement and cylinder head design)

COMP Cams Stage 2 LST Camshaft GM LS Gen 3 / Gen 4 w/ 3-Bolt Blower - 54-337-11

Perfect choice for upgraded 5.3L engines, larger displacement, or lager blower applications - 7400 RPM stability with package

COMP Cams HRT Blower Stage 1 Hydraulic Roller Camshaft GM LS 3-Bolt Blower Engines - 54-335-11

Perfect choice for 5.3L "cam only" and mildly modified blower engines. Low Shock profiles allow 7200 RPM stability with package