High Horse Performance, Inc.
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Valve Spring Shim Set for 06-10 6.1L with 1511 PSI Valve Springs - 61SHIMS
This listing is for a set of 8 Shims we typically send with our 6.1L cam kits with PSI part number 1511 Springs. 1 Shim on intake side I.D. 0.785" O.D. 1.437" Thickness 0.060"
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