E-street vs Promaxx vs 440 Source

PRH said

For what most would be doing at the race track with a “500hp” BB build..... imo, “heads” would be a more cost effective path than a stroker kit.

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I agree. Just slapping these suckers on I went from 12.90 to 12.48 with minimal tuning probably had more in it. Cam and converter would really wake it up.