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    VICTOR REINZ
    Seal Ring, valve stem VICTOR REINZ 70-37281-00)

    Seal Ring, valve stem VICTOR REINZ 70-37281-00)

    ART: 70-37281-00 / EAN: 4026634486115

    VICTOR REINZ 70-37281-00 Seal Ring, valve stem VICTOR REINZ 70-37281-00)

    EAN: 4026634486115

    € 1,74

    Add
    FEBI BILSTEIN
    Seal Ring, valve stem FEBI BILSTEIN 43581)

    Seal Ring, valve stem FEBI BILSTEIN 43581)

    ART: 43581 / EAN: 4027816435815

    FEBI BILSTEIN 43581 Seal Ring, valve stem FEBI BILSTEIN 43581)

    EAN: 4027816435815

    € 3,39

    Add
    TOPRAN
    Seal Ring, valve stem TOPRAN 100 207)

    Seal Ring, valve stem TOPRAN 100 207)

    ART: 100 207 / EAN:

    TOPRAN 100 207 Seal Ring, valve stem TOPRAN 100 207)

    EAN:

    € 1,79

    Not in stock, Request information
    FEBI BILSTEIN
    Seal Ring, valve stem FEBI BILSTEIN 03351)

    Seal Ring, valve stem FEBI BILSTEIN 03351)

    ART: 03351 / EAN: 4027816033516

    FEBI BILSTEIN 03351 Seal Ring, valve stem FEBI BILSTEIN 03351)

    EAN: 4027816033516

    € 1,77

    Add
    ELRING
    Seal Ring, valve stem ELRING 026.650)

    Seal Ring, valve stem ELRING 026.650)

    ART: 026.650 / EAN:

    ELRING 026.650 Seal Ring, valve stem ELRING 026.650)

    EAN:

    € 1,66

    Add
    FEBI BILSTEIN
    Seal Ring, valve stem FEBI BILSTEIN 03281)

    Seal Ring, valve stem FEBI BILSTEIN 03281)

    ART: 03281 / EAN: 4027816032816

    FEBI BILSTEIN 03281 Seal Ring, valve stem FEBI BILSTEIN 03281)

    EAN: 4027816032816

    € 1,88

    Add
    TOPRAN
    Seal Ring, valve stem TOPRAN 201 256)

    Seal Ring, valve stem TOPRAN 201 256)

    ART: 201 256 / EAN:

    TOPRAN 201 256 Seal Ring, valve stem TOPRAN 201 256)

    EAN:

    € 1,83

    Add
    VICTOR REINZ
    Seal Ring, valve stem VICTOR REINZ 70-34406-00)

    Seal Ring, valve stem VICTOR REINZ 70-34406-00)

    ART: 70-34406-00 / EAN: 4026634300053

    VICTOR REINZ 70-34406-00 Seal Ring, valve stem VICTOR REINZ 70-34406-00)

    EAN: 4026634300053

    € 1,39

    Add
    VICTOR REINZ
    Seal Ring, valve stem VICTOR REINZ 70-31056-00)

    Seal Ring, valve stem VICTOR REINZ 70-31056-00)

    ART: 70-31056-00 / EAN: 4026634093054

    VICTOR REINZ 70-31056-00 Seal Ring, valve stem VICTOR REINZ 70-31056-00)

    EAN: 4026634093054

    € 1,39

    Add
    VICTOR REINZ
    Seal Ring, valve stem VICTOR REINZ 70-35544-00)

    Seal Ring, valve stem VICTOR REINZ 70-35544-00)

    ART: 70-35544-00 / EAN: 4026634312711

    VICTOR REINZ 70-35544-00 Seal Ring, valve stem VICTOR REINZ 70-35544-00)

    EAN: 4026634312711

    € 1,91

    Add
    VICTOR REINZ
    Seal Ring, valve stem VICTOR REINZ 70-36613-00)

    Seal Ring, valve stem VICTOR REINZ 70-36613-00)

    ART: 70-36613-00 / EAN: 4026634353691

    VICTOR REINZ 70-36613-00 Seal Ring, valve stem VICTOR REINZ 70-36613-00)

    EAN: 4026634353691

    € 1,80

    Add
    VICTOR REINZ
    Seal Ring, valve stem VICTOR REINZ 70-31306-00)

    Seal Ring, valve stem VICTOR REINZ 70-31306-00)

    ART: 70-31306-00 / EAN: 4026634105832

    VICTOR REINZ 70-31306-00 Seal Ring, valve stem VICTOR REINZ 70-31306-00)

    EAN: 4026634105832

    € 0,30

    Add
    VICTOR REINZ
    Seal Ring, valve stem VICTOR REINZ 70-54072-00)

    Seal Ring, valve stem VICTOR REINZ 70-54072-00)

    ART: 70-54072-00 / EAN: 4026634061060

    VICTOR REINZ 70-54072-00 Seal Ring, valve stem VICTOR REINZ 70-54072-00)

    EAN: 4026634061060

    € 2,48

    Add
    VICTOR REINZ
    Seal Ring, valve stem VICTOR REINZ 70-24491-10)

    Seal Ring, valve stem VICTOR REINZ 70-24491-10)

    ART: 70-24491-10 / EAN: 4026634121009

    VICTOR REINZ 70-24491-10 Seal Ring, valve stem VICTOR REINZ 70-24491-10)

    EAN: 4026634121009

    € 0,50

    Add
    VICTOR REINZ
    Seal Ring, valve stem VICTOR REINZ 70-28424-10)

    Seal Ring, valve stem VICTOR REINZ 70-28424-10)

    ART: 70-28424-10 / EAN: 4026634086308

    VICTOR REINZ 70-28424-10 Seal Ring, valve stem VICTOR REINZ 70-28424-10)

    EAN: 4026634086308

    € 1,14

    Add
    VICTOR REINZ
    Seal Ring, valve stem VICTOR REINZ 70-28238-00)

    Seal Ring, valve stem VICTOR REINZ 70-28238-00)

    ART: 70-28238-00 / EAN: 4026634085400

    VICTOR REINZ 70-28238-00 Seal Ring, valve stem VICTOR REINZ 70-28238-00)

    EAN: 4026634085400

    € 0,63

    Add
    VICTOR REINZ
    Seal Ring, valve stem VICTOR REINZ 70-34439-00)

    Seal Ring, valve stem VICTOR REINZ 70-34439-00)

    ART: 70-34439-00 / EAN: 4026634367513

    VICTOR REINZ 70-34439-00 Seal Ring, valve stem VICTOR REINZ 70-34439-00)

    EAN: 4026634367513

    € 1,77

    Add
    VICTOR REINZ
    Seal Ring, valve stem VICTOR REINZ 70-27408-00)

    Seal Ring, valve stem VICTOR REINZ 70-27408-00)

    ART: 70-27408-00 / EAN: 4026634081709

    VICTOR REINZ 70-27408-00 Seal Ring, valve stem VICTOR REINZ 70-27408-00)

    EAN: 4026634081709

    € 0,59

    Add

    Valve Seals

    Valve seals regulate the precise lubrication of the valve stems while preventing oil from entering the combustion chamber, maintaining clean and efficient engine operation. They must retain elasticity and sealing pressure despite constant thermal cycling, rapid valvetrain motion, and exposure to oil vapors. When valve seals harden, crack, or lose their sealing tension, excess oil leaks past the valve stem into the cylinder. This results in blue exhaust smoke, fouled spark plugs, increased oil consumption, carbon buildup on valves and pistons, and compromised combustion efficiency.

    Porza valve seals are engineered from advanced heat-resistant elastomers formulated to maintain consistent sealing performance under the extreme temperatures of modern engines. Their precision-molded lips maintain optimal contact pressure against the valve stem, ensuring controlled lubrication without allowing oil to bypass into the combustion chamber. Compared to worn or inferior-quality seals, Porza components restore clean combustion behavior, stabilize cylinder pressures, reduce deposits, and protect catalytic converters from oil contamination.

    Maintaining effective valve sealing is essential for emissions control, fuel efficiency, engine smoothness, and long-term valvetrain durability. Porza ensures OEM-level dimensional accuracy, uniform sealing across all valves, and long service life even in high-performance applications. By reinstating proper oil metering and preventing combustion contamination, Porza valve seals significantly improve overall engine reliability and efficiency.

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    kenteken

    Straelseweg 52, 5911 CR
    Venlo
    The Netherlands

    Willem de Rijkelaan 15a, 5616 HH
    Eindhoven
    The Netherlands

    info@porza.nl
    085 401 1901
    KVK 0123456678
    BTW 01NL123435B1

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