Engine Components

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  Manley Performance

  Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8

  Regular price

  £415.30

  Regular price

  £395.52

  Sale price

  £415.30

  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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  Manley Performance

  Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single

  Regular price

  £51.91

  Regular price

  £49.44

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  £51.91

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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 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8)

  Regular price

  £415.30

  Regular price

  £395.52

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  £415.30

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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 429-460 1.760 Dia Race Master Exhaust Valves (Set of 8)

  Regular price

  £251.58

  Regular price

  £239.60

  Sale price

  £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 429-460 / Ford 351C 2.250 Dia Race Master Intake Valves (Set of 8)

  Regular price

  £251.58

  Regular price

  £239.60

  Sale price

  £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 351C 2.190in Diameter 5.244in Length SS Race Master Exhaust Valves (Set of 8)

  Regular price

  £251.58

  Regular price

  £239.60

  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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  Manley Performance

  Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8)

  Regular price

  £251.58

  Regular price

  £239.60

  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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  Manley Performance

  Manley Small Block Chevy 2.020 Dia Race Master Intake Valves (Set of 8)

  Regular price

  £251.58

  Regular price

  £239.60

  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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  Manley Performance

  Manley Chevy Small Block Stock Dia 4.951 OA L Dish Race Masters Exhaust Valves (Set of 8)

  Regular price

  £251.58

  Regular price

  £239.60

  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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  Manley Performance

  Manley Chevy Small Block 1.500 Dia Race Master Exhaust Valves (Set of 8)

  Regular price

  £251.58

  Regular price

  £239.60

  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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  Manley Performance

  Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8)

  Regular price

  £251.58

  Regular price

  £239.60

  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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  Manley Performance

  Manley Severe Duty Series SBC Stainless Steel Exhaust Valves 2.080in Dia 5.140in L - Set of 8

  Regular price

  £415.30

  Regular price

  £395.52

  Sale price

  £415.30

  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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  Manley Performance

  Manley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8)

  Regular price

  £401.42

  Regular price

  £382.30

  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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  Manley Performance

  Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8)

  Regular price

  £401.42

  Regular price

  £382.30

  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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  Manley Performance

  Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8

  Regular price

  £401.42

  Regular price

  £382.30

  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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  Manley Performance

  Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8

  Regular price

  £401.42

  Regular price

  £382.30

  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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  Manley Performance

  Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8

  Regular price

  £401.42

  Regular price

  £382.30

  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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  Manley Performance

  Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8)

  Regular price

  £401.42

  Regular price

  £382.30

  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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  Manley Performance

  Manley SBC 1.600 Severe Duty Intake Valves (Set of 8)

  Regular price

  £401.42

  Regular price

  £382.30

  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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  Manley Performance

  Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8)

  Regular price

  £401.42

  Regular price

  £382.30

  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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  Manley Performance

  Manley Ford 427 (Medium/Hi Riser/Tunnel Port) 1.750 Dia Dish Severe Duty Exhaust Valves (Set of 8)

  Regular price

  £401.42

  Regular price

  £382.30

  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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  Manley Performance

  Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8)

  Regular price

  £401.42

  Regular price

  £382.30

  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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  Manley Performance

  Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8)

  Regular price

  £415.30

  Regular price

  £395.52

  Sale price

  £415.30

  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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  Manley Performance

  Manley Dart Big Block Pro 1 Stock Length 11/32in Stem Dia Severe Duty Intake Valves (Set of 8)

  Regular price

  £401.42

  Regular price

  £382.30

  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...