RB25DET NEO Beehive Springs | Titanium Retainers

Product Code: KVS25NEO-FERREA
Product info
NISSAN RB25DET NEO. Beehive spring and Titanium retainer Kit to suit 6mm stem Ferrea Valves F1934P and F1936P. Intake: 86lb seat pressure at 37.00mm installed height. Exhaust: 89lb seat pressure at 38.65mm installed height. Coil bind 22.85mm. Fit 1.5mm shim on top of factory spring base. Must use K10063 lock.
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