What is a valve retainer?
Valve spring retainers go on the end of your valve stems, where they hold your valve springs against the cylinder head. More horsepower means more spring pressure, and that means you need to upgrade to stronger retainers as well.
What holds the retainer on the valve spring?
Valve locks and retainers hold the retainer in place by using the force of the valve spring to hold the retainer and lock in place, not by the tang locking into the groove on the valve stem.
What are valve retainers usually made of?
Passenger car retainers are generally made of steel, and this remains a popular option for race engines. High-strength steel has a high fatigue limit, and a number of surface treatments such as carburising, nitriding and nitrocarburising can improve this significantly.
What do valve springs and retainers do?
A valve spring is placed around the stem of a valve and held in place by a retainer. Its main job is to control the entire valvetrain, ensuring that the proper amount of spring pressure is applied consistently to prevent valve bounce.
How do valve keepers work?
Valve keepers are tapered and fit into grooves on the valve stem, preventing the retainer from sliding up the stem.
How do valve spring retainers work?
How many valve keepers does a valve have?
two valve keepers
The retainer is locked to the stem through the use of two valve keepers (also known as valve cotters, collets or locks). Valve keepers are tapered and fit into grooves on the valve stem, preventing the retainer from sliding up the stem.
How long do you wear a spring retainer?
You will wear your retainer 24 hours a day for 10-12 weeks or as instructed. At that time, you will be seen in our office. The alignment and wear time will be re-evaluated based on any adjustments that may be needed.
What kind of Valve retainers do I need for my project engine?
Your project engine requires retainers that last. That’s why we carry time-proven brands like COMP Cams, Crower, Trick Flow, Crane Cams, Manley, Isky, and more. Valve spring retainers go on the end of your valve stems, where they hold your valve springs against the cylinder head.
What is the size of a valve spring retainer?
Valve Spring Retainers, Steel, 7 Degree, 1.250 in. Outside Diameter, .650 in. Inside Diameter, Set of 16 Valve Spring Retainers, Steel, 10 Degree, 1.030 in. Outside Diameter, .640 in. Inside Diameter, Set of 16 Valve Spring Retainers, Chromoly Steel, 7 Degree, 1.500 in. O.D., .690 in. I.D., Set of 16
Why upgrade to stronger retainers?
More horsepower means more spring pressure, and that means you need to upgrade to stronger retainers as well. Whether you need high-performance retainers for competition, or reliable replacements for your restoration project, you’ll find the best selection at Summit Racing Equipment.