Rockers

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 5 - Ultra-Action - Fast 3⁄8 and 1⁄2 mile oval track grind.
INT/EXH - Dur @ .050” Lift: 276°/280° RR: 1.7/1.7 Gross Lift: .728”/.716” LSA: 108° RPM: 4800 to 8300 Redline: 8700 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 5 - Ultra-Action - Big cid profile for 3⁄8 and 1⁄2 mile oval.
INT/EXH - Dur @ .050” Lift: 284°/288° RR: 1.7/1.7 Gross Lift: .758”/.745” LSA: 108° RPM: 5300 to 8800 Redline: 9000 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 5 - Ultra-Action - Super competition profile.
INT/EXH - Dur @ .050” Lift: 288°/290° RR: 1.7/1.7 Gross Lift: .777”/.731” LSA: 110° RPM: Varies on valve train, heads, manifold, etc... to Redline: Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 5 - Ultra-Action - Super competition profile.
INT/EXH - Dur @ .050” Lift: 286°/292° RR: 1.7/1.7 Gross Lift: .801”/.780” LSA: 110° RPM: Varies on valve train, heads, manifold, etc... to Redline: Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 5 - Ultra-Action - A very radical profile for competition use only.
INT/EXH - Dur @ .050” Lift: 294°/300° RR: 1.7/1.7 Gross Lift: .779”/.717” LSA: 112° RPM: Varies on valve train, heads, manifold, etc... to Redline: Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 5 - Ultra-Action - Extremely radical competition profile.
INT/EXH - Dur @ .050” Lift: 298°/300° RR: 1.7/1.7 Gross Lift: .802”/.784” LSA: 112° RPM: Varies on valve train, heads, manifold, etc... to Redline: Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level - High RPMINT/EXH - Dur @ .050” Lift: 256°/265° RR: 1.7/1.7 Gross Lift: .660”/.651” LSA: 108° RPM: 2300 to 6800 Redline: 7300 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level - High RPMINT/EXH - Dur @ .050” Lift: 262°/273° RR: 1.7/1.7 Gross Lift: .683”/.683” LSA: 110° RPM: 2550 to 7000 Redline: 7500 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level - High RPMINT/EXH - Dur @ .050” Lift: 268°/279° RR: 1.7/1.7 Gross Lift: .706”/.700” LSA: 110° RPM: 2800 to 7200 Redline: 7700 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level - High RPMINT/EXH - Dur @ .050” Lift: 278°/287° RR: 1.7/1.7 Gross Lift: .743”/.728” LSA: 110° RPM: 3100 to 7400 Redline: 7900 Learn More