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Manley Performance
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sku: MAN12898-8

Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.594in O/A Length, 0.3110in Stem - 12898-8

MSRP: $395.52

Now: $296.64

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Manley Performance
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sku: MAN12880-8

Manley Chevrolet Big Block Intake Valve Kit - 2.350in Head Dia. 5.594in O/A Length, 0.3110in Stem - 12880-8

MSRP: $395.52

Now: $296.64

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Manley Performance
|
sku: MAN12878-8

Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.594in O/A Length, 0.3110in Stem - 12878-8

MSRP: $395.52

Now: $296.64

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Manley Performance
|
sku: MAN12856H-8

Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3110in Stem - 12856H-8

MSRP: $881.51

Now: $661.13

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Manley Performance
|
sku: MAN12856-8

Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3110in Stem - 12856-8

MSRP: $395.52

Now: $296.64

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Manley Performance
|
sku: MAN12850H-8

Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.344in O/A Length, 0.3110in Stem - 12850H-8

MSRP: $881.51

Now: $661.13

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Manley Performance
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sku: MAN12850-8

Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.344in O/A Length, 0.3110in Stem - 12850-8

MSRP: $395.52

Now: $296.64

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Manley Performance
|
sku: MAN12842-8

Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.344in O/A Length, 0.3110in Stem - 12842-8

MSRP: $395.52

Now: $296.64

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Manley Performance
|
sku: MAN12838-8

Manley Chevrolet Big Block Intake Valve Kit - 2.325in Head Dia. 5.494in O/A Length, 0.3110in Stem - 12838-8

MSRP: $395.52

Now: $296.64

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Manley Performance
|
sku: MAN12817-8

Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3110in Stem - 12817-8

MSRP: $382.30

Now: $286.72

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Manley Performance
|
sku: MAN12815-8

Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3110in Stem - 12815-8

MSRP: $382.30

Now: $286.72

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Manley Performance
|
sku: MAN12811-8

Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3110in Stem - 12811-8

MSRP: $382.30

Now: $286.72

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Manley Performance
|
sku: MAN12898-8

Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.594in O/A Length, 0.3110in Stem - 12898-8

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. When valves bounce on the seat,...

MSRP: $395.52

Now: $296.64
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Manley Performance
|
sku: MAN12880-8

Manley Chevrolet Big Block Intake Valve Kit - 2.350in Head Dia. 5.594in O/A Length, 0.3110in Stem - 12880-8

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. When valves bounce on the seat,...

MSRP: $395.52

Now: $296.64
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Manley Performance
|
sku: MAN12878-8

Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.594in O/A Length, 0.3110in Stem - 12878-8

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. When valves bounce on the seat,...

MSRP: $395.52

Now: $296.64
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Manley Performance
|
sku: MAN12856H-8

Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3110in Stem - 12856H-8

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. When valves bounce on the seat,...

MSRP: $881.51

Now: $661.13
View Details Compare
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Manley Performance
|
sku: MAN12856-8

Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.494in O/A Length, 0.3110in Stem - 12856-8

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. When valves bounce on the seat,...

MSRP: $395.52

Now: $296.64
View Details Compare
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Manley Performance
|
sku: MAN12850H-8

Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.344in O/A Length, 0.3110in Stem - 12850H-8

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. When valves bounce on the seat,...

MSRP: $881.51

Now: $661.13
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Manley Performance
|
sku: MAN12850-8

Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.344in O/A Length, 0.3110in Stem - 12850-8

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. When valves bounce on the seat,...

MSRP: $395.52

Now: $296.64
View Details Compare
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Manley Performance
|
sku: MAN12842-8

Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.344in O/A Length, 0.3110in Stem - 12842-8

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. When valves bounce on the seat,...

MSRP: $395.52

Now: $296.64
View Details Compare
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Manley Performance
|
sku: MAN12838-8

Manley Chevrolet Big Block Intake Valve Kit - 2.325in Head Dia. 5.494in O/A Length, 0.3110in Stem - 12838-8

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. When valves bounce on the seat,...

MSRP: $395.52

Now: $296.64
View Details Compare
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Manley Performance
|
sku: MAN12817-8

Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3110in Stem - 12817-8

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. When valves bounce on the seat,...

MSRP: $382.30

Now: $286.72
View Details Compare
Quick view

Manley Performance
|
sku: MAN12815-8

Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3110in Stem - 12815-8

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. When valves bounce on the seat,...

MSRP: $382.30

Now: $286.72
View Details Compare
Quick view

Manley Performance
|
sku: MAN12811-8

Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3110in Stem - 12811-8

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. When valves bounce on the seat,...

MSRP: $382.30

Now: $286.72
View Details Compare

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