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These COMP Cams hardened steel inboard-locating spring seats use an internal locating shoulder to center and hold the valve spring while protecting the head and shim. With a 1.550" outside diameter and .570" inside diameter, the seats are a compact solution that reduces required head machining compared with older cup-style designs and work well with COMP dual valve springs.
COMP Cams ID Spring Seats .570X.810X1.5
