In brief
RB30 Dual Valve Springs. Premium Dual Valve Spring and Titanium Retainer kit to suit big power and big boosted applications. 121lb seat pressure at 38.8mm. 320lb at 13.70mm valve lift. Coil bind spring height 24.15mm. Retainer is 1.5mm shorter to give more retainer to seal clearance when using higher lift cams. \n \n ...
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RB30 Dual Valve Springs. Premium Dual Valve Spring and Titanium Retainer kit to suit big power and big boosted applications. 121lb seat pressure at 38.8mm. 320lb at 13.70mm valve lift. Coil bind spring height 24.15mm. Retainer is 1.5mm shorter to give more retainer to seal clearance when using higher lift cams. \n \n \n click to view available RB30 Camshaft & Valve Train Parts \n \n \n
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