Designed for our wide valve GX200 spaced heads- Small Block
2.55" Gage-Blue Ultra Lites, Ec- Red (bushing)
2.68" Gage-Black Venum, Ec- Red (bearing)
Designed for our wide valve GX390 spaced heads- Big Block
2.90" Gage-Blue Ultra Lites, Ec- Red (bushing)
3.05" Gage-Black Venum, Ec- Red (bearing)