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Manley Performance
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sku: MAN12739-1

Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1

MSRP: $81.60

Now: $61.19

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Manley Performance
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sku: MAN12627B-8

Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8

MSRP: $652.80

Now: $489.59

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Manley Performance
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sku: MAN12627-8

Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8

MSRP: $652.80

Now: $489.59

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Manley Performance
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sku: MAN12625B-8

Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves w/ Bead Loc Groove (Set of 8) - 12625B-8

MSRP: $618.40

Now: $463.80

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Manley Performance
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sku: MAN12623B-8

Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8

MSRP: $652.80

Now: $489.59

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Manley Performance
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sku: MAN12623-8

Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8

MSRP: $652.80

Now: $489.59

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Manley Performance
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sku: MAN12363-8

Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8

MSRP: $652.80

Now: $489.59

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Manley Performance
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sku: MAN12361-8

Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8

MSRP: $382.30

Now: $286.72

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Manley Performance
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sku: MAN12361-1

Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1

MSRP: $47.79

Now: $35.84

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Manley Performance
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sku: MAN12358-8

Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8

MSRP: $395.52

Now: $296.64

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Manley Performance
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sku: MAN12358-1

Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1

MSRP: $49.44

Now: $37.09

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Manley Performance
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sku: MAN12357-8

Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8

MSRP: $652.80

Now: $489.59

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Manley Performance
|
sku: MAN12739-1

Manley Big Block Chevrolet Extreme Duty Exhaust Valve - 5.522in Overall L 1.900in Diameter - Single - 12739-1

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:...

MSRP: $81.60

Now: $61.19
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Manley Performance
|
sku: MAN12627B-8

Manley Ford Coyote 5.0L 32mm Extreme Duty Exhaust Valves (Set of 8) - 12627B-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:...

MSRP: $652.80

Now: $489.59
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Manley Performance
|
sku: MAN12627-8

Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves (Set of 8) - 12627-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:...

MSRP: $652.80

Now: $489.59
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Manley Performance
|
sku: MAN12625B-8

Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves w/ Bead Loc Groove (Set of 8) - 12625B-8

Manley Ford Coyote 5.0L 31.5mm Extreme Duty Exhaust Valves w/ Bead Loc Groove (Set of 8)

MSRP: $618.40

Now: $463.80
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Manley Performance
|
sku: MAN12623B-8

Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves w/ Bead Loc Keeper Groove (Set of 8) - 12623B-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:...

MSRP: $652.80

Now: $489.59
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Manley Performance
|
sku: MAN12623-8

Manley Ford Coyote 5.0L 31mm Extreme Duty Exhaust Valves (Set of 8) - 12623-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:...

MSRP: $652.80

Now: $489.59
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Manley Performance
|
sku: MAN12363-8

Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:...

MSRP: $652.80

Now: $489.59
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Manley Performance
|
sku: MAN12361-8

Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8) - 12361-8

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
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Manley Performance
|
sku: MAN12361-1

Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Single) - 12361-1

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: $47.79

Now: $35.84
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Manley Performance
|
sku: MAN12358-8

Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valves (Set of 8) - 12358-8

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: MAN12358-1

Manley Chevy L83 5.3L 1.930in Head Diameter Pro Flo/Severe Duty Intake Valve (Single) - 12358-1

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: $49.44

Now: $37.09
View Details Compare
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Manley Performance
|
sku: MAN12357-8

Manley Chevy LS-3 / L-99 (L-92 Head) 1.600in Head Diameter Pro Flo E.D. Exhaust Valves (Set of 8) - 12357-8

Ideal for Specialized Applications: Tailored for any application where extreme force and heat resistance is a must including Top Fuel, Funny Car, and Marine Engine applications.XH-432 XtremeAlloy:...

MSRP: $652.80

Now: $489.59
View Details Compare

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