Yella Terra YTRYT6670 GM LS7 Ultralite R/A Kit - 1.8 Ratio

Yella Terra YTRYT6670 GM LS7 Ultralite R/A Kit - 1.8 Ratio is listed by Motorstate as a Rocker Arms and Components for catalog matching by brand, part number, and product name. Use this source-backed listing when comparing Yella Terra components in the Rocker Arms and Components category. The manufacturer part reference is YT6670, while the Motorstate part number is YTRYT6670. Catalog description context: Rocker Arm - Ultralite - Shaft Mount - 1.80 Ratio - Roller Tip - Aluminum - GM LS-Series - Kit. No vehicle compatibility is stated here unless it is present in separate fitment data.