Calibration Kit for Thunder Series AVS Carburettors ED1842 Wrenches & Spanners -6ORB to -6AN Extension with

-6ORB to -6AN Extension with 1/8" PortSilver Finish

Designed for use with Edelbrock Dual-Quad manifolds

77-1030BLK

Includes extra material for porters to modify for use with 4500 series applications

Calibration Kit for Thunder Series AVS Carburettors ED1842 Wrenches & Spanners -6ORB to -6AN Extension withCalibration Kit for Thunder Series AVS CarburettorsFor ED1825, ED1826 ED1842 1842 All calibration kits include an assortment of metering rods and jets, one pair of metering rod retaining springs and a complete assortment of step up springs. Metering Rods (pair) Metering Jets (pair) . 063" x . 037" . 092" . 063" x . 047" . 095" . 067" x . 049" . 098" . 068" x . 047" . 101" . 068" x . 052" div align="centre">. 104"