Rk Tek Head

I have used the SLP billet head, minor gains in performance and slightly better cooling..

I have also used the rk tek torque-line full billet head with similar performance gains as SLP with slightly cooler temps however this is due no thermostat. Hard to find.

Last sled had the rk-tek cheater head which is stock head modified for rk domes. Better performance cooling not much better.

So in conclusion. For the price you will pay, cooling will be very minimal..your better off playing with your coolant mixture, adding water wetter or better yet Evans coolant and always use scratchers. Also replace thermostat if u haven't recently.


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