Sbc Chevy 350 383 406 Nkb-200cc Aluminum Heads 64cc Angle Plug Nkb-274-a

Cheap 400HP SBC Vortec Head Combo

Official Dyno report on our 406 and 383 engines with the cam mentioned above. These kits are available in our other listings. As mentioned above, the spring requirements between a roller cam and flat tappet cam are dramatically different.

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