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" L202273 PRO Youth and VESTA Helmets

PRO Youth and VESTA Helmets

1-1/2" baffled breather tubes for proper crankcase venting

7 in Oval Port

Thrust Washer

531" Teflon seals and prevents seal distortion or gouging during installation

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" L202273 PRO Youth and VESTA HelmetsDart'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