MANLEY Lightweight H-13 Tool Steel Retainers [Spring Type Single | Spring 221419 | Spring O.D. 1.013" | Keeper Degree 7 x 6mm | Dimensions A .875" B .640" C .440" | Wgt/Grams 8] (FORD 5.0L COYOTE)

For those searching for a slightly more economical alternative to titanium retainers, either to help solve a "wear problem" or because of "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.

Up to 33% lighter than standard 10° steel retainers
Only 2-4 grams heavier than titanium versions
Heat treated to provide a hardness of Rc 56

7° H-13 Tool Steel +.070 for Manley 13086 or factory valve lock