Product Description Specifications CNC-machined for consistency, these 7 degree tool steel retainers feature light weight, exceptional strength and wear characteristics. Fit 11/32" valve engines with 1.290" O.D. springs such as our 26926 springs. Category: Engine Components>Valve Springs, Retainers Core: N LTL: N MPN: 1777-16 Proposition 65: Y Special Order: Y