LSR Cathedral Port 259/267 Hydraulic Roller Cam for GM LS GEN III/IV

HYDRAULIC ROLLER-All out power for extreme displacement race application engines with cathedral port cylinder heads.

SKU

54-466-11

$424.59

Grind Number: 309LRx HR15

Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)

RPM Operating Range: 3,000-7,200

Cam Type: Hydraulic Roller

Lifter Style: Hydraulic Roller

Camshaft Series: LSR Cathedral Port Large Displacement

Camshaft Gear Attachment: 3-Bolt

Usage: Strip

Valve Springs Required: Yes

Camshaft Material: Billet Steel

California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov

Advertised Intake Duration: 309

Advertised Exhaust Duration: 317

Intake Duration at .050 Inch Lift: 259

Exhaust Duration at .050 Inch Lift: 267

Intake Valve Lift: 0.624

Exhaust Valve Lift: 0.624

Lobe Separation: 115

Assembly Lubricant Included: No

Intake Centerline: 112

Lobe Lift Intake: 0.367

Lobe Lift Exhaust: 0.367

Valve Timing @ 0.006 Lift:

Exhaust Close ATDC: 41

Exhaust Open BBDC: 95

Intake Open BTDC: 41

Intake Close ABDC: 87

Component Part Number

Break-In Lube: 159

Specifications