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20mm Valve Lift - 290° drag racing cams for wide open throttle and high rpm power
Manufactured in Australia from High-Grade Brass and Billet Aluminum
it’s all perfectly shaped and you WILL notice less premature piston and bore wear and of course less blow by
cost effective external wastegate with base spring pressure options of up to 50psi
Nissan RB Oil Gallery Block off inc Tap Bit Kit Option:Oil Block Off's Only 20mm Valve Lift - 290°RB Oil gallery threaded bungs. A much needed product when building a Nissan RB engine. The main oil gallery in all RB RD blocks is sealed from factory with a steel straight walled plug, it needs to be removed for the gallery to be cleaned before a build. We've designed a set of custom size threaded oil gallery block offs and have included a tapping tool in the kit, no drilling required before tapping other than drilling a hole through one bung to