Killer ls3 Promaxx Ported cylinder heads drift car 416ci LS3 engine 700hp+ N/A - YouTube(02)

Killer ls3 Promaxx Ported cylinder heads drift car 416ci LS3 engine 700hp+ N/A - YouTube(02)

Image gallery: Promaxx Ls3 Heads

Dyno Testing Promaxx LS3 Small Bore Heads - YouTube 3 Amazing LS Heads From Promaxx Get Reviewed With Real Flow Numbers - YouTube Killer ls3 Promaxx Ported cylinder heads drift car 416ci LS3 engine 700hp+ N/A - YouTube