Stock Vacuum Rule

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  1. Chevrolet Hydraulic Flat Tappet Camshaft
    Chevrolet Hydraulic Flat Tappet Camshaft
    SKU: 00252V
    Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
    Performance level 5 - Stock Lift Rule & Stock Vacuum Rule - Lighter car, 3⁄8 mile track, low end
    INT/EXH - Dur @ .050” Lift: 238°/242° RR: 1.5/1.5 Gross Lift: .390”/.410” LSA: 116° RPM: 3250 to 6500 Redline: 6500 Learn More
  2. Chevrolet Hydraulic Flat Tappet Camshaft
    Chevrolet Hydraulic Flat Tappet Camshaft
    SKU: 00255V
    Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
    Performance level 5 - Stock Lift Rule & Stock Vacuum Rule - 3⁄8 mile, high bank track, mid to top
    INT/EXH - Dur @ .050” Lift: 234°/242° RR: 1.5/1.5 Gross Lift: .417”/.416” LSA: 114° RPM: 3250 to 6500 Redline: 6500 Learn More
  3. Chevrolet Hydraulic Flat Tappet Camshaft
    Chevrolet Hydraulic Flat Tappet Camshaft
    SKU: 00259V
    Chevrolet - 262, 267, 283, 302, 305, 307, 327, 350 & 400
    Performance level 5 - Stock Lift Rule & Stock Vacuum Rule - 1⁄2 mile, high bank track, mid to top
    INT/EXH - Dur @ .050” Lift: 242°/248° RR: 1.5/1.5 Gross Lift: .446”/.447” LSA: 114° RPM: 3000 to 6500 Redline: 6500 Learn More
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