-25%
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Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8

$395.52 $296.64
MAN12340-8
Engine Components Manley Performance Valves
Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress....
-24%
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Manley Gen II Race Series 48mm Head Dia 137.9mm Length Race Series Intake Valves - Set of 8

$366.02 $274.52
MAN11250-8
Engine Components Manley Performance Valves
Manley Gen II Race Series 48mm Head Dia 137.9mm Length Race Series Intake Valves - Set of 8
-25%
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Manley Gen II Race Series 48mm Head Dia 137.9mm Length Race Series Intake Valve (SINGLE VALVE)

$45.75 $34.31
MAN11250-1
Engine Components Manley Performance Under 100 Valves
Manley Gen II Race Series 48mm Head Dia 137.9mm Length Race Series Intake Valve (SINGLE VALVE)
-24%
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Manley Gen II Race Series 37mm Head Dia 121.9mm Length Race Series Exhaust Valves - Set of 8

$353.23 $264.93
MAN11247-8
Engine Components Manley Performance Valves
Manley Gen II Race Series 37mm Head Dia 121.9mm Length Race Series Exhaust Valves - Set of 8
-24%
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Manley Volkswagen 1.7L 40mm Dia 4.606in Length Race Series Exhaust Valve Kit

$119.80 $89.86
MAN11663B-4
Engine Components Manley Performance Under 100 Valves
Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome...
-24%
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Manley Volkswagen 1.7L 50mm Dia 4.606in Length Race Series Intake Valve Kit

$119.80 $89.86
MAN11662B-4
Engine Components Manley Performance Under 100 Valves
Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome...
-25%
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Manley Ford 4.6L Modular V8 Race Series Intake Valve 5.339in Length 38mm Dia. (Single)

$32.15 $24.11
MAN11618-1
Engine Components Manley Performance Under 100 Valves
Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome...
-24%
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Manley Severe Duty Series Chevy Big Block Intake Valve 2 300 In Head Dia 5 325 In O/A Length

$49.44 $37.09
MAN11530-1
Engine Components Manley Performance Under 100 Valves
Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress....
-24%
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Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single)

$110.18 $82.64
MAN12354H-1
Engine Components Manley Performance Under 100 Valves
Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress....
-14%
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Manley Titanium Valves 2.400 Head Dia - Set of 8

$1,449.74 $1,232.29
MAN11998B-8
Engine Components Manley Performance Valves
Manley Titanium Valves 2.400 Head Dia - Set of 8

Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. Length - Set of 8

$1,332.49
MAN11989-8
Engine Components Manley Performance Valves
Manley Titanium Valve 2.000 in. Diameter .3415 in. Stem, 5.020 in. Length - Set of 8
-25%
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Manley Small Block Chevy 2.100in Head Dia Severe Duty Intake Valves (Set of 8)

$395.52 $296.64
MAN12338-8
Engine Components Manley Performance Valves
Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress....
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