Manley 23660TS-16 Lightweight Tool Steel 10 Degree Valve Spring Retainers

For those searching for a slightly more economical alternative to titanium retainers either to help solve a wear problem or because class rules Manley lightweight H-13 tool steel retainers are your solution. H-13 tool steel allows for better processing than other tool steels typically utilized, thus yielding a stronger, more durable product. 33% lighter than 10 degree steel retainers, only 2-4 grams heavier than titanium, heat treated to provide hardness of Rc 56