Product Description Specifications CNC-machined for consistency, these 10 degree lightweight tool steel retainers feature light weight, exceptional strength and wear characteristics. Fit engines with 1.185" O.D. valve springs such as our 26056 Beehive valve springs. Category: Engine Components>Valve Springs, Retainers Core: N LTL: N MPN: 1756-16 Proposition 65: Y Special Order: Y