Rockers

Chevrolet - GM LS1/LS2/LS6 4.8L, 5.3L, 5.7L & 6.0L
Performance level 3 - Hot Street Performance appllications.  Extensive Engine & Cylinder work required.
INT/EXH - Dur @ .050” Lift: 251°/254° RR: 1.7/1.7 Gross Lift: .644”/.644” LSA: 114° 

Chevrolet - GM LS1/LS2/LS6 4.8L, 5.3L, 5.7L & 6.0L
Performance level 4 - High revving, super top end power.  RPM 4000-8000.  Extensive Engine & Cylinder work required.
INT/EXH - Dur @ .050” Lift: 260°/263° RR: 1.7/1.7 Gross Lift: .643”/.641” LSA: 114° 

Chevrolet - GM LS1/LS2/LS6 4.8L, 5.3L, 5.7L & 6.0L
Performance level 5 - Super Competition Profile. RPM 4500-8000  Extensive Engine & Cylinder work required.
INT/EXH - Dur @ .050” Lift: 269°/272° RR: 1.7/1.7 Gross Lift: .646”/.646” LSA: 114° 

Chevrolet - GM LS1/LS2/LS6 4.8L, 5.3L, 5.7L & 6.0L
Performance level 3 - LS1 Mechanical Carburated Roller Camshaft- Hot Street Performance appllications.  Extensive Engine & Cylinder work required.
INT/EXH - Dur @ .050” Lift: 251°/254° RR: 1.7/1.7 Gross Lift: .644”/.644” LSA: 110° 

Chevrolet - GM LS1/LS2/LS6 4.8L, 5.3L, 5.7L & 6.0L
Performance level 4 - LS1 Mechanical Carburated Roller Camshaft- Hi revving, super mid to top end power RPM Range 4000-8000.  Extensive Engine & Cylinder work required.
INT/EXH - Dur @ .050” Lift: 260°/263° RR: 1.7/1.7 Gross Lift: .643”/.641” LSA: 108° 

Chevrolet - GM LS1/LS2/LS6 4.8L, 5.3L, 5.7L & 6.0L
Performance level 5 - Super Competition Profile. RPM 4500-8000  Extensive Engine & Cylinder work required.
INT/EXH - Dur @ .050” Lift: 269°/272° RR: 1.7/1.7 Gross Lift: .646”/.646” LSA: 114° 

Chevrolet - GM 350 LT1 - LT4 1993-1997
Performance level - Stage 4+ - Mid to top end power in highly modified engines.
INT/EXH - Dur @ .050” Lift: 236°/242° RR: 1.5/1.5 Gross Lift: .571”/.582” LSA: 114° RPM: 2000 to 6000 Redline: 6500

Chevrolet - GM LS1/LS2/LS6 4.8L, 5.3L, 5.7L & 6.0L
Performance level - Stage 2 - Excellent mid & top end performance.  Requires ECU tuning.
INT/EXH - Dur @ .050” Lift: 226°/231° RR: 1.7/1.7 Gross Lift: .607”/.617” LSA: 118°