Dart “SS” Cast Iron Small Block Chevy Heads

The data on this page is for information only. We no longer supply or work on the Dart SS heads.

The Dart S/S head is an excellent performing heads for circle track applications like Pro Stock, Super Stock, B Mods, Sport Mods, Limited Late Models and other such classes throughout the country. They also are terrific for street and marine applications.

Features include a thick deck surface for increased durability, machined valve cover area, hardened exhaust seats, efficient combustion chamber design & machined for screw-in studs.

Intake flow on stock SS heads is in the 215-220 cfm range. With “Undercover Porting”, the intake air flow is improved to the 240 cfm area.  The exhaust ports will flow close to 140 cfm stock. With “Undercover Porting” they improve to 175 to 185 cfm. We also offer a CNC-Sportsman Porting version of the Dart SS head.

And Yes, we can modify our new our used Dart SS  heads.