√70以上 906 vortec heads 230263-906 vortec heads valve size
Another project coming soon !Uses bare head P/N ; · The factory Vortec heads use a light, singlewire valvespring with a damper that generates between 70 and 80 pounds of load on the seat Because these heads are meant to work with a 151 rocker Chevy 350 Vortec Casting 062 906 Bare Enginenomics 906 vortec heads valve size