Product Description Specifications Made from hardened steel, these locators use an inboard locating shoulder to center the seat and hold the spring in place. The 4695 seat's 1.300" OD works well with our 26921 and 26926 valve springs. Category: Engine Components>Valve Springs, Retainers Core: N LTL: N MPN: 4695-16 Proposition 65: Y Special Order: Y