Rockers

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level - High RPMINT/EXH - Dur @ .050” Lift: 282°/291° RR: 1.8/1.7 Gross Lift: .801”/.727” LSA: 108° RPM: 4100 to 9000 Redline: 9500 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level - High RPMINT/EXH - Dur @ .050” Lift: 278°/287° RR: 1.8/1.7 Gross Lift: .786”/.727” LSA: 108° RPM: 4000 to 8900 Redline: 9400 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level - High RPMINT/EXH - Dur @ .050” Lift: 282°/291° RR: 1.8/1.7 Gross Lift: .801”/.727” LSA: 108° RPM: 4100 to 9000 Redline: 9500 Learn More

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° 

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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° 

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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° 

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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° 

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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° 

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Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level 4 - EFI, Forced Induction & NOS - High stall, heavy car, low gears.
INT/EXH - Dur @ .050” Lift: 248°/254° RR: 1.5/1.5 Gross Lift: .560”/.587” LSA: 114° RPM: 3500 to 7500 Redline: 8000 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level 4 - EFI, Forced Induction & NOS - Great 9:1, 355 cid, mid-range.
INT/EXH - Dur @ .050” Lift: 247°/255° RR: 1.5/1.5 Gross Lift: .548”/.573” LSA: 114° RPM: 3000 to 7000 Redline: 7500 Learn More