Manley spring cup valve spring locator measures .505in I.D. and 1.270in O.D. and is specified as a valve spring locator for part number 221436‑16. It positions and centers the valve spring within the retainer assembly for correct valvetrain seating and is intended for use during high‑precision engine assembly or when replacing matched spring components to maintain proper spring alignment and seating.
Manley Spring Cup .505in ID 1.270in OD Valve Spring Locator (For 221436-16)