WARHAWK LS7X 12°

LS GEN III / IV CHEVROLET

ALUMINUM CYLINDER HEADS

World's design and engineering team has taken the best attributes of factory LS7 and C5R heads, factored in improvements that were developed through many years of competition, and added a few features of their own to come up with the ultimate, state-of-the-art cylinder head for GM's LS-series engines. It's got everything you've been waiting for!

Features | Tech Specs | Instruction Sheet
Warhawk LS7X 12° Aluminum LS7/C5R Cylinder Heads (2.250" x 1.625" Valves)
Part # Application Description Valve Spring Specs Max Lift Chamber
025350 Bare Head 285cc None None N/A 64cc
025350-2 Flat Tappet/Hyd Roller 285cc Manley Race Master 1.437" Dual 125# Seat .600" 64cc
025350-3 Solid Roller 285cc Manley Severe Duty 1.550" Dual 200# Seat .700" 64cc
025400 Bare Head 285cc None None N/A 72cc
025400-2 Flat Tappet/Hyd Roller 285cc Manley Race Master 1.437" Dual 125# Seat .600" 72cc
025400-3 Solid Roller 285cc Manley Severe Duty 1.550" Dual 200# Seat .700" 72cc