Miata Head Assembly - Ported BP4W (ASMR)
So I took on this side project for a friend and decided to make a Miata Head Assembly ASMR video out of it. This Miata Head is a ported BP4W out of a 99-00 Miata, and it has upgraded Volvo VS-855 valve springs for an 8500 RPM rev limit. Let us know what you think of this Assembly ASMR! It was fun to film and satisfying to edit. Specs: 1999 OEM Miata Head (BP4W) Ported by Napp Motorsports Volvo VS-855 Springs Napp Motorsports Social Media Instagram: / nappmotorsports Facebook: / nappmotorsports Contact us via email at: [email protected]

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