Big Block-BBC

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 3 - Pro-Street - High torque mid-range and top end grind.
INT/EXH - Dur @ .050” Lift: 238°/242° RR: 1.7/1.7 Gross Lift: .510”/.515” LSA: 114° RPM: 2000 to 6000 Redline: 6400 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 3 - Pro-Street - High torque mid-range and top end grind.
INT/EXH - Dur @ .050” Lift: 244°/246° RR: 1.7/1.7 Gross Lift: .517”/.532” LSA: 114° RPM: 2000 to 6500 Redline: 7000 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 4 - Pro-Street - High revving, super mid to top end power.
INT/EXH - Dur @ .050” Lift: 246°/254° RR: 1.7/1.7 Gross Lift: .530”/.558” LSA: 114° RPM: 3000 to 7000 Redline: 7500 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 4 - Pro-Street - High revving, super mid to top end power.
INT/EXH - Dur @ .050” Lift: 252°/258° RR: 1.7/1.7 Gross Lift: .554”/.571” LSA: 114° RPM: 3000 to 7500 Redline: 7750 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level - High RPMINT/EXH - Dur @ .050” Lift: 242°/251° RR: 1.7/1.7 Gross Lift: .570”/.587” LSA: 108° RPM: 2400 to 6300 Redline: 6800 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level - High RPMINT/EXH - Dur @ .050” Lift: 251°/261° RR: 1.7/1.7 Gross Lift: .587”/.605” LSA: 108° RPM: 2700 to 6700 Redline: 7200 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level - High RPMINT/EXH - Dur @ .050” Lift: 259°/269° RR: 1.7/1.7 Gross Lift: .605”/.621” LSA: 108° RPM: 3000 to 6900 Redline: 7400 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level - High RPMINT/EXH - Dur @ .050” Lift: 267°/276° RR: 1.7/1.7 Gross Lift: .612”/.632” LSA: 110° RPM: 3200 to 7200 Redline: 7700 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level - High RPMINT/EXH - Dur @ .050” Lift: 279°/285° RR: 1.7/1.7 Gross Lift: .644”/.655” LSA: 110° RPM: 3700 to 7700 Redline: 8200 Learn More

Chevrolet - 366, 396, 402, 427, 454, 502 & Rodeck
Performance level 4 - Compu-Pro - Broad power band. Short oval profile.
INT/EXH - Dur @ .050” Lift: 242°/252° RR: 1.7/1.7 Gross Lift: .564”/.587” LSA: 105° RPM: 2000 to 6000 Redline: 7000 Learn More