302r

Have these very lightly used boss 302R heads. They have only seen 93 octane and have roughly 1600 street driven miles on them. Im returning my car back to stock so i no longer have a need for these. Part numbers for these heads are ford racing performance M-6049-M50BR and M-6050-M50BR. I only...

We dyno'd 58RWHP increase at 7400RPM on this manifold! If you're naturally aspirated, you will lose a little bit of low and mid-range power/torque. The whole curve is alot smoother, and you'll still pick up the 50-60RWHP above 7000. You start gaining power around 6000-6500. Supercharger, turbo...