Max-Lift BSR Shaft Rocker System for GM LS3/L92 1999 pontiac firebird 442" - Lobe Separation: 112

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

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

Brookfield Vis at neg 40 degrees C

The billet aluminum inserts in BMR

Edelbrock part #7235 Intake Gaskets for E-Tec 170 Small-Block Chevy allow for optimum flow and performance

Max-Lift BSR Shaft Rocker System for GM LS3/L92 1999 pontiac firebird 442" - Lobe Separation: 112This 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.