Mechanical Flat Tappet

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level - High Rocker RatioINT/EXH - Dur @ .050” Lift: 264°/268° RR: 1.6/1.5 Gross Lift: .597”/.570” LSA: 106° RPM: 3450 to 7450 Redline: 7950 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level - High Rocker RatioINT/EXH - Dur @ .050” Lift: 268°/272° RR: 1.6/1.5 Gross Lift: .608”/.579” LSA: 108° RPM: 3600 to 7600 Redline: 8100 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level 3 - Pro-Street - High torque at low revs. Lopey idle.
INT/EXH - Dur @ .050” Lift: 230°/236° RR: 1.5/1.5 Gross Lift: .458”/.468” LSA: 112° RPM: 2000 to 6000 Redline: 6500 With Small Base Circle

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Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level 3 - Pro-Street - High torque with more mid-range. Crisp rpm. Really nice camshaft.
INT/EXH - Dur @ .050” Lift: 242°/248° RR: 1.5/1.5 Gross Lift: .482”/.504” LSA: 114° RPM: 2400 to 6400 Redline: 6800 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level 3 - Pro-Street - High torque at low revs. Lopey idle.
INT/EXH - Dur @ .050” Lift: 230°/236° RR: 1.5/1.5 Gross Lift: .458”/.468” LSA: 112° RPM: 2000 to 6000 Redline: 6500 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level - High Rocker RatioINT/EXH - Dur @ .050” Lift: 272°/276° RR: 1.6/1.5 Gross Lift: .618”/.589” LSA: 108° RPM: 3750 to 7650 Redline: 8150 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level - High Rocker RatioINT/EXH - Dur @ .050” Lift: 276°/280° RR: 1.6/1.5 Gross Lift: .629”/.600” LSA: 108° RPM: 3900 to 7700 Redline: 8200 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level 4 - Pro-Street - High revving, super mid to top end power in small c.i.d. engines. Radical grind.
INT/EXH - Dur @ .050” Lift: 248°/254° RR: 1.5/1.5 Gross Lift: .504”/.528” LSA: 112° RPM: 2800 to 6600 Redline: 7000 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level 4 - Pro-Street - High revving, super mid to top end power in small c.i.d. engines. Radical grind.
INT/EXH - Dur @ .050” Lift: 248°/254° RR: 1.5/1.5 Gross Lift: .504”/.528” LSA: 112° RPM: 2800 to 6600 Redline: 7000 Learn More

Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
Performance level 4 - Pro-Street - High revving, super mid to top end power.
INT/EXH - Dur @ .050” Lift: 256°/262° RR: 1.5/1.5 Gross Lift: .528”/.545” LSA: 114° RPM: 3000 to 6900 Redline: 7200 Learn More