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Manley Performance
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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: $925.59

Now: $694.19

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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: $415.30

Now: $311.48

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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: $415.30

Now: $311.48

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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: $415.30

Now: $311.48

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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: $401.42

Now: $301.07

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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: $401.42

Now: $301.07

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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: $401.42

Now: $301.07

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Manley Performance
|
sku: MAN12809-8

Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3110in Stem - 12809-8

MSRP: $401.42

Now: $301.07

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Manley Performance
|
sku: MAN12803-8

Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3110in Stem - 12803-8

MSRP: $401.42

Now: $301.07

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Manley Performance
|
sku: MAN12802-8

Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.244in O/A Length, 0.3110in Stem - 12802-8

MSRP: $415.30

Now: $311.48

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Manley Performance
|
sku: MAN12784-8

Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.444in O/A Length, 0.3110in Stem - 12784-8

MSRP: $415.30

Now: $311.48

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Manley Performance
|
sku: MAN12780-8

Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3110in Stem - 12780-8

MSRP: $415.30

Now: $311.48

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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

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive...

MSRP: $925.59

Now: $694.19
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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

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive...

MSRP: $415.30

Now: $311.48
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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

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive...

MSRP: $415.30

Now: $311.48
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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

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive...

MSRP: $415.30

Now: $311.48
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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

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive...

MSRP: $401.42

Now: $301.07
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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

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive...

MSRP: $401.42

Now: $301.07
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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

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive...

MSRP: $401.42

Now: $301.07
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Manley Performance
|
sku: MAN12809-8

Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3110in Stem - 12809-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive...

MSRP: $401.42

Now: $301.07
View Details Compare
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Manley Performance
|
sku: MAN12803-8

Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3110in Stem - 12803-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive...

MSRP: $401.42

Now: $301.07
View Details Compare
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Manley Performance
|
sku: MAN12802-8

Manley Chevrolet Big Block Intake Valve Kit - 2.250in Head Dia. 5.244in O/A Length, 0.3110in Stem - 12802-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive...

MSRP: $415.30

Now: $311.48
View Details Compare
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Manley Performance
|
sku: MAN12784-8

Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.444in O/A Length, 0.3110in Stem - 12784-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive...

MSRP: $415.30

Now: $311.48
View Details Compare
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Manley Performance
|
sku: MAN12780-8

Manley Chevrolet Big Block Intake Valve Kit - 2.300in Head Dia. 5.244in O/A Length, 0.3110in Stem - 12780-8

Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive...

MSRP: $415.30

Now: $311.48
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