Dart SB Chevy Pro 1 Platinum Cylinder Head - Bare: Intake Runner: 200cc, Comb. Chamber: 64cc, Angle Plug, Intake Valve 2.02", Exhaust Valve: 1.60" YA0825MM35 This eliminates almost all cradle

This eliminates almost all cradle movement

11/16 in 36 Spline

2008-2018 Blue Bird All American RE

1961-1961 Dodge Seneca

51-10072 and 75-10072

Dart SB Chevy Pro 1 Platinum Cylinder Head - Bare: Intake Runner: 200cc, Comb. Chamber: 64cc, Angle Plug, Intake Valve 2.02", Exhaust Valve: 1.60" YA0825MM35 This eliminates almost all cradleDart's highly popular small block Pro1 heads have been given the full Platinum treatment utilizing wet flow technology. Independant tests have demonstrated a typical 25 horsepower gain over the previous Pro1 design. The redesigned chamber features improved fuel distribution, spark plugs are located high and and as close to the center of the chamber as possible and five angle intake seats shear the liquid fuel and air as it enters the chamber. The