Max-Lift BSR Shaft Rocker System for GM LS3/L92 1999 pontiac firebird This cam produced 449HP and

This cam produced 449HP and 413 Ft Lbs of Torque when paired with RPM Air-Gap Dual Quad intake manifold #75354 and Performer RPM cylinder heads #60255

442" - Lobe Separation: 112 Degrees - Intake Centerline: 107 Degrees - Idle Vacuum @ 1000 RPM's: 16"

We’ll cut the hose to the specified length and assemble the hose ends on both ends to ensure proper fitment and seal

and 4140 chrome moly heat treated 1

Max-Lift BSR Shaft Rocker System for GM LS3/L92 1999 pontiac firebird This cam produced 449HP andThis pair of Max Lift BSR Shaft Mount Rockers for Rectangle Port (LS3 L92) LS engines is a bolt in rocker upgrade that requires no machine work to install. Clears factory valve covers while greatly increasing valvetrain rigidity.