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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
The increased flow is achieved through the efficiency of a straight-through valve versus a poppet-style valve
280°-274°/280° | 11
Add base supplied to Exhaust side on top of OEM base to give 90lb @ 37
The customer is responsible for all shipping and associated costs
into higher RPM
Nissan RB30 SOHC | Dual Valve Springs | Titanium Retainers KVS226-T subrau The increased flow is achieved121lb seat pressure at 38. 80mm, 320lb at 13. 70mm lift. Coil Bind 24. 15mm. Nissan RB30 SOHC Premium Dual Valve Spring and Titanium Retainer kit to suit big power and big boosted applications. 121lb seat pressure at 38. 80mm, 320lb at 13. 70mm lift. Coil Bind 24. 15mm. Retainer is 1. 5mm shorter to give more retainer to seal clearance when using higher lift cams.
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