Valves

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  Manley Performance

  Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.422in O/A Length, 0.3415in Stem

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  £251.58

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  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 stems...
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  Manley Performance

  Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.422in O/A Length, 0.3415in Stem

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  £251.58

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  £251.58

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  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 stems...
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  Manley Performance

  Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem

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  £251.58

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  £251.58

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  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 stems...
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  Manley Performance

  Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.065in O/A Length, 0.3415in Stem

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  £251.58

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  £251.58

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  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 stems...
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  Manley Performance

  Manley Ford 351 Cleveland Exhaust Valve Kit - 1.710in Head Dia. 5.042in O/A Length, 0.3415in Stem

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  £251.58

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  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 stems...
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  Manley Performance

  Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.121in O/A Length, 0.3415in Stem

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  £401.42

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  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, t...
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  Manley Performance

  Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.021in O/A Length, 0.3415in Stem

  No reviews

  Regular price

  £401.42

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  £401.42

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  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, t...
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  Manley Performance

  Manley Chevrolet Small Block Exhaust Valve Kit - 1.600in Head Dia. 5.121in O/A Length, 0.3415in Stem

  No reviews

  Regular price

  £401.42

  Regular price

  Sale price

  £401.42

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  /  per 

  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, t...
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  Manley Performance

  Manley Chrysler 361 Exhaust Valve Kit - 1.740in Head Dia. 4.908in O/A Length, 0.3720in Stem

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  £251.58

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  £251.58

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  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 stems...
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  Manley Performance

  Manley Chrysler Top Fuel Exhaust Valve Kit - 2.000in Head Dia. 5.020in O/A Length, 0.3715in Stem

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  Regular price

  £657.72

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  £657.72

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  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: ...
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  Manley Performance

  Manley Chevrolet Small Block Exhaust Valve Kit - 1.625in Head Dia. 5.065in O/A Length, 0.3415in Stem

  No reviews

  Regular price

  £401.42

  Regular price

  Sale price

  £401.42

  Unit price

  /  per 

  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, t...
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  Vendor:

  Manley Performance

  Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3715in Stem

  No reviews

  Regular price

  £251.58

  Regular price

  Sale price

  £251.58

  Unit price

  /  per 

  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 stems...
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  Vendor:

  Manley Performance

  Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem

  No reviews

  Regular price

  £401.42

  Regular price

  Sale price

  £401.42

  Unit price

  /  per 

  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, t...
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  Vendor:

  Manley Performance

  Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem

  No reviews

  Regular price

  £401.42

  Regular price

  Sale price

  £401.42

  Unit price

  /  per 

  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, t...
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  Vendor:

  Manley Performance

  Manley Chrysler Top Fuel Exhaust Valve Kit - 1.950in Head Dia. 5.020in O/A Length, 0.3715in Stem

  No reviews

  Regular price

  £657.72

  Regular price

  Sale price

  £657.72

  Unit price

  /  per 

  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: ...
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  Manley Performance

  Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem

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  £405.34

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  £405.34

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  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, t...
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  Manley Performance

  Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.218in O/A Length, 0.3720in Stem

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  Regular price

  £405.34

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  £405.34

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  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, t...
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  Manley Performance

  Manley Ford 429 Exhaust Valve Kit - 1.880in Head Dia. 5.070in O/A Length, 0.3415in Stem

  No reviews

  Regular price

  £251.58

  Regular price

  Sale price

  £251.58

  Unit price

  /  per 

  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 stems...
• Add to wishlist

  View Wishlist

  Vendor:

  Manley Performance

  Manley Chevrolet Big Block Exhaust Valve Kit - 1.880in Head Dia. 5.522in O/A Length, 0.3415in Stem

  No reviews

  Regular price

  £401.42

  Regular price

  Sale price

  £401.42

  Unit price

  /  per 

  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, t...
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  Vendor:

  Manley Performance

  Manley Chrysler 440-1 Exhaust Valve Kit - 1.810in Head Dia. 5.369in O/A Length, 0.3415in Stem

  No reviews

  Regular price

  £401.42

  Regular price

  Sale price

  £401.42

  Unit price

  /  per 

  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, t...
• Add to wishlist

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  Vendor:

  Manley Performance

  Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.522in O/A Length, 0.3415in Stem

  No reviews

  Regular price

  £401.42

  Regular price

  Sale price

  £401.42

  Unit price

  /  per 

  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, t...
• Add to wishlist

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  Vendor:

  Manley Performance

  Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.522in O/A Length, 0.3415in Stem

  No reviews

  Regular price

  £401.42

  Regular price

  Sale price

  £401.42

  Unit price

  /  per 

  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, t...
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  Vendor:

  Manley Performance

  Manley Ford 351 Cleveland Exhaust Valve Kit - 1.655in Head Dia. 5.067in O/A Length, 0.3415in Stem

  No reviews

  Regular price

  £401.42

  Regular price

  Sale price

  £401.42

  Unit price

  /  per 

  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, t...
• Add to wishlist

  View Wishlist

  Vendor:

  Manley Performance

  Manley Chevrolet Big Block Exhaust Valve Kit - 1.940in Head Dia. 5.422in O/A Length, 0.3415in Stem

  No reviews

  Regular price

  £401.42

  Regular price

  Sale price

  £401.42

  Unit price

  /  per 

  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, t...