CLASS RACER FORUM - View Single Post - GM Performance 25534446 Vortec Large Port

SSDiv6 · 06-21-2012, 01:05 PM

As I understand, the new Dart offering is based on the prior offerings from Racing Head Service (RHS) when they got rid of all their cast iron heads.

06-21-2012, 01:05 PM	#17
SSDiv6 VIP Member Join Date: Feb 2003 Location: Glendale, Arizona Posts: 3,044 Likes: 712 Liked 1,583 Times in 582 Posts	Re: GM Performance 25534446 Vortec Large Port As I understand, the new Dart offering is based on the prior offerings from Racing Head Service (RHS) when they got rid of all their cast iron heads.