#1 - Yella Terra Shaft System for SBC 18 degree heads. The Part number is YT-6378 which is a 1.65/1.55 ratio with .550 offset intake rockers. This system will fit Brodix, Bowtie, Dart, Edelbrock 18 degree heads, and some Pro Action 14 degree heads.$750 shipped.
#2 - Yella Terra Shaft System for SBC 23 degree raised runner heads. The Part number is YT-6348 which is a 1.50/1.50 ratio with .450 offset intake rockers. This system will fit raised runner heads with 1.800 stud spacing like Pro Topline, RHS, Edelbrock Victor, Brodix RR heads. $750 shipped (I have two of these).
#3 - Yella Terra Shaft System for SBC 23 degree raised runner heads. The Part number is YT-6349 which is a 1.60/1.60 ratio with .450 offset intake rockers. This system will fit raised runner heads with 1.800 stud spacing like Pro Topline, RHS, Edelbrock Victor, Brodix RR heads. $750 shipped.
These look like the pic below.
#4 - Clinch Shaft System for SBC Canfield 220 23 degree heads. They are 1.60 /1.55 ratios and the offset is a .350 on the intake and .060 for the exhaust. This setup could be used on other typical SBC heads if the stand bolt holes were slotted on a milling machine. $500 shipped.
This one looks like the pic below.
Nick 402-616-7643