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Valve Springs O.D. Locator Cups

Standard shims cannot handle the extreme pressure that high performance racing engines place on the springs. The solution to this problem is seats made from a high-strength steel alloy that hold the spring in place. The cup version of the seat sits outside of the spring and requires the head to be machined.

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Part NumberDetailsPrice 
P/N: 86700-16 O.D. Locator Cups - .060" Thickness, .640" I.D., 1.670" O.D., 1.565" Spring O.D. (Set Of 16) $36.81
P/N: 86702-16 O.D. Locator Cups - .060" Thickness, .640" I.D., 1.730" O.D., 1.650" Spring O.D. (Set Of 16) $36.81
P/N: 86704-16 O.D. Locator Cups - .060" Thickness, .640" I.D., 1.570" O.D., 1.475" Spring O.D. (Set Of 16) $36.81
P/N: 86706-16 O.D. Locator Cups - .060" Thickness, .640" I.D., 1.830" O.D., 1.740" Spring O.D. (Set Of 16) $37.30
P/N: 86708-16 O.D. Locator Cups - .060" Thickness, .640" I.D., 1.780" O.D., 1.690" Spring O.D. (Set Of 16) $37.30