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  1. MAN-12358-8 PART NUMBER
    LS Manley Extreme Duty Exhaust Valves 1.615 11687-8
    Manley Valves 12358-8 Race Master , LS 5.3L 1.560 Intake
    $311.48

    Chevy LS 5.3L L83 (2014-up), Intake Valves, 1.930 Head Diameter, .3133 Stem Diameter, Stock Height, Set of 8 Valves.

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  2. MAN-12363-8 PART NUMBER
    LS Manley Extreme Duty Exhaust Valves 1.615 11687-8
    Manley Valves 12363-8 Race Master , LS 5.3L 1.560 Intake
    $514.08

    Chevy LS 5.3L L83 (2014-up), Extreme DUty Exhaust Valves, 1.560 Head Diameter, .3136 Stem Diameter, Stock Height, Set of 8 Valves.

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  3. MAN-12353-8 PART NUMBER
    LS Manley Race Master Exhaust Valves 1.600 12353-8
    LS Manley Race Master Exhaust Valves 1.600 12353-8
    $202.55
    LS3 and L99 Chevy (L92 Head), Exhaust Valves, 1.590 Head Diameter, .3136 Stem Diameter, .300 Longer Height, Set of 8 Valves. Learn More
  4. MAN-12350-8 PART NUMBER
    LS Manley Race Master Pro Flo Intake Valves 2.165 12350-8
    LS Manley Race Master Pro Flo Intake Valves 2.165 12350-8
    $202.55
    LS3 and L99 Chevy (L92 Head), Intake Valves, 2.165 Head Diameter, .3133 Stem Diameter, .300 Longer Height, Set of 8 Valves. Learn More
  5. MAN-12350H-8 PART NUMBER
    LS Manley Race Master Pro Flo Hollow Stem Intake Valves 2.165 12350H-8
    LS Manley Race Master Pro Flo Hollow Stem Intake Valves 2.165 12350H-8
    $564.30
    LS3 and L99 Chevy (L92 Head), Hollow Stem Intake Valves, 2.165 Head Diameter, .3133 Stem Diameter, .300 Longer Height, Set of 8 Valves. Learn More
  6. MAN-12355-8 PART NUMBER
    LS Manley Severe Duty Exhaust Valves 1.600 12355-8
    LS Manley Severe Duty Exhaust Valves 1.600 12355-8
    $301.07
    LS3 and L99 Chevy (L92 Head), Exhaust Valves, 1.600 Head Diameter, .3136 Stem Diameter, .300 Longer Height, Set of 8 Valves. Learn More
  7. MAN-12354-8 PART NUMBER
    LS Manley Severe Duty Pro Flo Intake Valves 2.165 12354-8
    LS Manley Severe Duty Pro Flo Intake Valves 2.165 12354-8
    $301.07
    LS3 and L99 Chevy (L92 Head), Intake Valves, 2.165 Head Diameter, .3133 Stem Diameter, .300 Longer Height, Set of 8 Valves. Learn More
  8. MAN-12354H-8 PART NUMBER
    LS Manley Severe Duty Pro Flo Hollow Stem Intake Valves 2.165 12354H-8
    LS Manley Severe Duty Pro Flo Hollow Stem Intake Valves 2.165 12354H-8
    $694.19
    LS3 and L99 Chevy (L92 Head), Hollow Stem Intake Valves, 2.165 Head Diameter, .3133 Stem Diameter, .300 Longer Height, Set of 8 Valves. Learn More
  9. MAN-12357-8 PART NUMBER
    LS Manley Extreme Duty Exhaust Valves 1.600 12357-8
    LS Manley Extreme Duty Exhaust Valves 1.600 12357-8
    $514.08
    LS3 and L92 Chevy (L99 Head), Exhaust Valves, 1.600 Head Diameter, .3136 Stem Diameter, .300 Longer Height, Set of 8 Valves. Learn More
  10. MAN-12345-8 PART NUMBER
    LT1 6.2L Manley Race Master Exhaust Valves 1.590 12345-8
    LT1 6.2L Manley Race Master Exhaust Valves 1.590 12345-8
    $188.69
    Chevy LT1 6.2L 2014+, Exhaust Valves, 1.590 Head Diameter, .3136 Stem Diameter, Stock Height, Set of 8 Valves. Learn More

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