XFIT, 285LRR HR13
Very Strong, Mid-Range, High End Torque

HYDRAULIC ROLLER-Very strong from mid-range to high end torque and horsepower for single bolt LS3.

Specifications

Lifter Type: Hydraulic Roller

Engine Family: GM LS Gen IV 8 Cyl. '05-Current Single-Bolt 4.8/5.3/6.0/6.2L Engines w/o VVT & AFM

Cam Family: LSRT All Out Power

RPM Range: 2200-7200 

Valve Timing: 0.006

Lobe Separation: 113°

Intake Centerline: 109°

Valve Lash: Hyd. (Intake) / Hyd. (Exhaust)

Duration: 285 (Intake) / 301 (Exhaust)

Duration @ .050" Lift: 235 (Intake) / 251 (Exhaust)

Valve Lift: 0.621 (Intake) / 0.624 (Exhaust)

Lobe Lift: 0.365 (Intake) / 0.367 (Exhaust)

Vehicle Fitments: