Engine Valves & Components

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    • (0 reviews)
      # sp28846
      Retainer Spider by Chevrolet Performance®. This RETAINER is a genuine OEM GM part #14101116 and carries a factory warranty.
      High quality at an affordable priceExpertly made from premium materials
      $15.65
    • (0 reviews)
      # mpn358729042
      Valve Keeper by Chevrolet Performance®. This Valve Keeper is a genuine OEM GM part #24503856 and carries a factory warranty.
      High quality at an affordable priceExpertly made from premium materials
      $3.35
    • (0 reviews)
      # sp28152
      Intermotor Engine Valve by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all...
      High quality at an affordable priceExpertly made from premium materials
      $55.77 - $381.49
    • (0 reviews)
      # sp28153
      Intermotor Engine Valve Solenoid by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity...
      High quality at an affordable priceExpertly made from premium materials
      $54.94 - $207.53
    • (0 reviews)
      # mpn358729002
      Retainer Spider by Chevrolet Performance®. This RETAINER is a genuine OEM GM part #14101116 and carries a factory warranty.
      High quality at an affordable priceExpertly made from premium materials
      $15.65
    • (0 reviews)
      # mpn53647158
      Intermotor™ Fast Idle Valve Solenoid by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      High quality at an affordable priceExpertly made from premium materials
      $94.02
    • (0 reviews)
      # mpn53619917
      Intermotor™ Fast Idle Valve Solenoid by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      High quality at an affordable priceExpertly made from premium materials
      $119.32
    • (0 reviews)
      # mpn53620233
      Intermotor™ Fast Idle Valve Solenoid by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      High quality at an affordable priceExpertly made from premium materials
      $109.18
    • (0 reviews)
      # mpn53620266
      Intermotor™ Fast Idle Valve Solenoid by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      High quality at an affordable priceExpertly made from premium materials
      $101.56
    • (0 reviews)
      # mpn53620567
      Intermotor™ Fast Idle Valve Solenoid by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      High quality at an affordable priceExpertly made from premium materials
      $113.68
    • (0 reviews)
      # mpn53660611
      Intermotor™ Fast Idle Valve Solenoid by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      High quality at an affordable priceExpertly made from premium materials
      $207.53
    • (0 reviews)
      # mpn53619917
      Intermotor™ Fast Idle Valve Solenoid by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      High quality at an affordable priceExpertly made from premium materials
      $119.32
    • (0 reviews)
      # mpn53669424
      Intermotor™ Fast Idle Valve Solenoid by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      High quality at an affordable priceExpertly made from premium materials
      $89.87
    • (0 reviews)
      # mpn53647676
      Intermotor™ Fast Idle Valve Solenoid by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      High quality at an affordable priceExpertly made from premium materials
      $81.92
    • (0 reviews)
      # mpn53680091
      Intermotor™ Idle Air Control Valve by Standard®. Auxiliary. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...
      High quality at an affordable priceExpertly made from premium materials
      $93.62
    • (0 reviews)
      # mpn53677178
      Intermotor™ Idle Air Control Valve by Standard®. Auxiliary. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...
      High quality at an affordable priceExpertly made from premium materials
      $89.09
    • (0 reviews)
      # mpn591995643
      Intermotor™ Idle Air Control Valve by Standard®. Auxiliary. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...
      High quality at an affordable priceExpertly made from premium materials
      $381.49
    • (0 reviews)
      # mpn53677177
      Intermotor™ Idle Air Control Valve by Standard®. Auxiliary. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...
      High quality at an affordable priceExpertly made from premium materials
      $133.91
    • (0 reviews)
      # mpn53677178
      Intermotor™ Idle Air Control Valve by Standard®. Auxiliary. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...
      High quality at an affordable priceExpertly made from premium materials
      $89.09
    • (0 reviews)
      # mpn53649907
      Intermotor™ Idle Air Control Valve by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      High quality at an affordable priceExpertly made from premium materials
      $107.17
    • (0 reviews)
      # mpn53649908
      Intermotor™ Idle Air Control Valve by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      High quality at an affordable priceExpertly made from premium materials
      $199.96
    • (0 reviews)
      # mpn53677177
      Intermotor™ Idle Air Control Valve by Standard®. Auxiliary. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...
      High quality at an affordable priceExpertly made from premium materials
      $133.91
    • (0 reviews)
      # mpn53647110
      Intermotor™ Fast Idle Valve Solenoid by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      High quality at an affordable priceExpertly made from premium materials
      $67.96
    • (0 reviews)
      # mpn53647507
      Intermotor™ Fast Idle Valve Solenoid by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      High quality at an affordable priceExpertly made from premium materials
      $182.53
    • (0 reviews)
      # mpn2878621425
      Intermotor™ Fast Idle Valve Solenoid by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...
      High quality at an affordable priceExpertly made from premium materials
      $73.68
    • (0 reviews)
      # mpn53680037
      Intermotor™ Idle Air Control Valve by Standard®. Auxiliary. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...
      High quality at an affordable priceExpertly made from premium materials
      $88.55
    • (0 reviews)
      # mpn53630397
      Intermotor™ Idle Air Control Valve by Standard®. Auxiliary. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...
      High quality at an affordable priceExpertly made from premium materials
      $55.77
    • (0 reviews)
      # mpn53630397
      Intermotor™ Idle Air Control Valve by Standard®. Auxiliary. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...
      High quality at an affordable priceExpertly made from premium materials
      $55.77
    • (0 reviews)
      # mpn53630397
      Intermotor™ Idle Air Control Valve by Standard®. With Hose Nipple Both Ends. Auxiliary. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices...
      High quality at an affordable priceExpertly made from premium materials
      $55.77
    • (0 reviews)
      # mpn53674975
      Intermotor™ Fast Idle Valve Solenoid (AC610) by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation...
      High quality at an affordable priceExpertly made from premium materials
      $103.50




    A valve has a round disc called the head attached to a long shaft called the stem. On the perimeter of the head is a machined surface called the face that seals against a machined seat on the cylinder port. The stem reciprocates inside a tube in the cylinder head known as the valve guide. The top of the valve stem is attached to a retainer that fits over the valve spring, which encircles the valve and returns it to the closed position after opening.

    Valves allow gases to flow in and out of the cylinders, and seal the combustion chambers so compression can develop. They open and close in response to the lobes on the camshaft via the valvetrain mechanism. The air/fuel mixture flows in when the intake valve opens, and the spent exhaust gases flow out when the exhaust valve opens after the power stroke. Every engine has at least one intake and exhaust valve, while many have a pair of each.

    Worn valve guides are another problem that can develop and the excess stem-to-guide clearance can cause further problems. Guides locate the valve face on the seat, and worn guides can cause less than perfect sealing with loss of compression and power. The guide is another are where heat transfer takes place and a loose exhaust guide can also be cause for exhaust valve failure. A worn intake guide can allow unmetered air into the intake port, causing a lean condition and engine misfire. And excessive clearance can allow oil to be drawn into the combustion chamber, causing reduced performance and oil consumption.

    Miles and engine heat can also take their toll on valve springs. The valve springs must have enough pressure to keep the valves closed and maintain valve lash. Seat pressure is usually 70-90 lbs. on a stock engine with open pressure at 200 lbs. or more. Weak valve springs can’t exert the proper amount of pressure, which can cause misfire and loss of power as engine speed increases, resulting in “valve float”, where the valves fail to close. In extreme cases valve float can allow the valves to contact the pistons on some engines, bending or breaking the valves and cracking or breaking the pistons.

    The most common valve failure is overheating, especially on exhaust valves, which causes the valve to “burn” and distort and/or crack. The exhaust valve is exposed to extreme temperatures, and the valve must be able to seat fully to transfer this heat to the cylinder head. Carbon buildup, incorrect valve adjustment, or any other factor that keeps the valve from seating will prevent heat transfer. A burnt valve will not be able to seal the combustion chamber, causing reduced compression and power from that cylinder. Some performance engines have sodium filled exhaust valves to help reduce their temperature.

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    Engine Valves & Components Reviews

    Average rating:  4.5  4.5 - 2 reviews
    4.3 of 5
    Valve Stem Oil Set
    This product is way better than the stock is. I was rebuilding my 1992 5.7L engine, the stock was a little pricey but this was better it came with everything I needed. Made out of different stuff then stock, and looks good too.
    Posted by David Pound (Indianapolis, IN) / June 15, 20151992 Chevy CK Pickup
    Was this review helpful for you? Yes
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