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NISSAN RB30 (SOHC). Premium Dual Valve Spring and Titanium Retainer Kit. 121lb Seat Pressure at 38.80mm, 320lb at 13.70mm lift. Coil bind at 24.15m...
View full details102lb seat pressure at 39.8mm installed height. 293lb at 13.7mm valve lift. NISSAN RB30E SOHC. High Performance dual valve spring set...
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