Engine Components

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  Manley Performance

  Manley Small Block Chevy LS-1 / LS-2 (LS-6 Head) 1.575 Head Diameter Race Flo Exhaust Valves

  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 Small Block Chevy LS-1 / LS-2 (LS-6 Head) 1.550 Head Diameter Race Flo Exhaust Valves

  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 Pontiac 400-428-455 1.770 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 Small Block Chevrolet 1.625 Head DIA / .3110in Stem DIA Race Master Exhaust Valves (Set of 8)

  Regular price

  £270.06

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  £270.06

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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 93-00 Honda Prelude 2.2L DOHC V-TEC 16 Valve 30.5mm Race Flo Exhaust Va

  Regular price

  £263.93

  Regular price

  £251.36

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  £263.93

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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 426 Hemi 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 Chrysler 426 Hemi 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 LS 8mm Stem Severe Duty Custom Stainless Exhaust Valves Blank (Set of 8)

  Regular price

  £451.91

  Regular price

  £430.39

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  £451.91

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  Manley Chevy LS 8mm Stem Severe Duty Custom Stainless Exhaust Valves Blank (Set of 8)
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  Manley Performance

  Manley Chevy LS 8mm Stem Severe Duty Custom Stainless Intake Valves Blank (Set of 8)

  Regular price

  £484.40

  Regular price

  £461.33

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  £484.40

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  Manley Chevy LS 8mm Stem Severe Duty Custom Stainless Intake Valves Blank (Set of 8)
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  Manley Performance

  Manley Chevy LS 8mm Stem Race Series Custom Stainless Exhaust Valves Blank (Set of 8)

  Regular price

  £384.32

  Regular price

  £366.02

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  £384.32

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  Manley Chevy LS 8mm Stem Race Series Custom Stainless Exhaust Valves Blank (Set of 8)
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  Manley Performance

  Manley Chevy Small Block Severe Duty Valves 2.020in. Head Dia. / 5.010in. OA L (Set of 8)

  Regular price

  £401.42

  Regular price

  £382.30

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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 Chevy Small Block Severe Duty Valves (Set of 8)

  Regular price

  £401.42

  Regular price

  £382.30

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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 Gen II 1.65in Pro-Flo Custom Stainless Steel Exhaust Valves (Set of 8)

  Regular price

  £370.89

  Regular price

  £353.23

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  £370.89

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  Manley Gen II 1.65in Pro-Flo Custom Stainless Steel Exhaust Valves (Set of 8)
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  Manley Performance

  Manley Gen II 2.15in Pro-Flo Custom Stainless Steel Intake Valves (Set of 8)

  Regular price

  £370.89

  Regular price

  £353.23

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  £370.89

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  Manley Gen II 2.15in Pro-Flo Custom Stainless Steel Intake Valves (Set of 8)
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  Manley Performance

  Manley Gen II Race Master Series 38.5mm Custom SS Exhaust Valves (Set of 4)

  Regular price

  £185.45

  Regular price

  £176.62

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  £185.45

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  Manley Gen II Race Master Series 38.5mm Custom SS Exhaust Valves (Set of 4)
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  Manley Performance

  Manley Gen II Race Master Series 38.5mm Custom SS Exhaust Valves (Single)

  Regular price

  £46.36

  Regular price

  £44.15

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  £46.36

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  Manley Gen II Race Master Series 38.5mm Custom SS Exhaust Valves (Single)
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  Manley Performance

  Manley Gen II Race Master Series 48.5mm Custom SS Intake Valves (Set of 4)

  Regular price

  £185.45

  Regular price

  £176.62

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  £185.45

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  Manley Gen II Race Master Series 48.5mm Custom SS Intake Valves (Set of 4)
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  Manley Performance

  Manley Ford 2.3L EcoBoost Exhaust 30.5mm Stainless Extreme Duty Valves

  Regular price

  £685.43

  Regular price

  £652.79

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  £685.43

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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 Ford 2.3L EcoBoost Exhaust 33mm Stainless Race Master Valves

  Regular price

  £263.93

  Regular price

  £251.36

  Sale price

  £263.93

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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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  Vendor:

  Manley Performance

  Manley Ford 2.3L EcoBoost Exhaust 30mm Stainless Extreme Duty Valves

  Regular price

  £685.43

  Regular price

  £652.79

  Sale price

  £685.43

  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 Nissan GTR VR38DETT Extreme Duty Exhaust Valves

  Regular price

  £1,028.13

  Regular price

  £979.17

  Sale price

  £1,028.13

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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 Nissan GT-R 3.8L (VR38DETT) DOHC 32.15mm Extreme Duty Exhaust Valves (Set of 24)

  Regular price

  £1,028.13

  Regular price

  £979.17

  Sale price

  £1,028.13

  Unit price

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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 93-98 Toyota Land Cruiser 4.5L (1FZ-FE) 33.5mm Race Master Exhaust Valves - Set of 12

  Regular price

  £544.95

  Regular price

  £519.00

  Sale price

  £544.95

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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 Nissan GT-R 3.8L (VR38DETT) DOHC 37.15mm Race Master Intaket Valves (Set of 24)

  Regular price

  £561.15

  Regular price

  £534.43

  Sale price

  £561.15

  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...