Top Definition
In line, fuel injected, six cylinder motor manufactured by Nissan in the late 80's for use in the R31 Skylines.
Also used by Holden in the inferior 'VL' series.
1) My RB30 has done 500,000 k's and is still going strong
2) I'm going to whack a huge turbo onto my RB30

by SKY031 September 05, 2003
3 Words related to RB30

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