CNC-Motorsports offers spring cups and shims used to equalize the installed height of your valve springs. For all your high performance auto needs
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PAC-S105X-16 PART NUMBER
S105X PAC Tool Seat, 1.550 O.D., .060 Thick, Set of 16$442.50PAC Chrome Moly Tool Seats, 1.550 Spring O.D., .700 Spring I.D., .575 Locator I.D., .060 Thick, Set of 16
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PAC-S140X-16 PART NUMBER
S140X PAC Tool Seat, 1.400 O.D., .060 Thick, Set of 16$442.50PAC Chrome Moly Tool Seats, 1.400 Spring O.D., .685 Spring I.D., .570 Locator I.D., .060 Thick, Set of 16
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