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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
upgraded trunnion & roller wheel make rockers perfect for aftermarket valve springs Two designs available - bolt-down using stock rocker stands & and stud-mount for adjustable valve trains For use with up to 850 lbs of open spring pressure
64-3003BLK
66-2043-40
No Supercharger Pulley
Spring Seat Disc CO4669-16 Product:Suit CO7245-16 Dual Conical Springs (.570" Guide) upgraded trunnion & roller wheelSpring Seat DiscSuit CO7245 16 Dual Conical Springs (. 570" Guide) CO4669 16 4669 16 The older style standard shims will not hold up to the extreme spring pressures and high RPM found in racing engines being built today. COMP Cams offers a simple but effective solution to this problem a thin, hardened steel alloy seat which will not only protect the head and shim but also locate and hold the spring in place.
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