Nissan A Series Dual Valve Spring Set KVS14D rb26 head drain PACALOY Beehive valve spring and

PACALOY Beehive valve spring and Titanium retainer set for Extreme competition engines running high boost and RPM

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The manifold is designed using 36mm Internal Diameter runners and we have tried to keep the internal volume of the manifold down to increase throttle response

Specifically Developed Red Urethane Bushes

bright backlighting and vacuum to 2Bar range

Nissan A Series Dual Valve Spring Set KVS14D rb26 head drain PACALOY Beehive valve spring and95lb seat pressure at 38. 00mm. Coil bind is at 25. 50mm NISSAN A12 A15. High performance dual valve spring set to suit OEM retainers. This spring set only suits full race A series engines with aggressive camshafts (not for street motors). 95lb seat pressure at 38. 00mm Install height. Coil bind is at 25. 50mm