Air Intake Plenum Dual Inlet 4" inch (100mm) fits Holley 5-1/8" Neck Carburettor Weld on 20 x Flat Washers -

20 x Flat Washers - 20mm Outside Diameter

-6 Female ORB to -6 Male AN

00 17mm Hex

0 Inverted Seat To -03

Air Intake Plenum Dual Inlet 4" inch (100mm) fits Holley 5-1/8" Neck Carburettor Weld on 20 x Flat Washers -69 023 Air Intake Plenum Dual Inlet 4" inch (100mm) fit Holley 5 1 8" Neck Carb Air Intake Plenum has a dual inlet with a 4 inch outside diameter. Manufactured from polished cast aluminum. Plenum is designed to be compatible with 4 inch tubing, filters, and accessories. 3. 5 inches tall and measuring 8 inches from air cleaner stud to the inlet, it fits carburettors and TBI throttle bodies with a 5 1 8 inch inlet. 10. 8 inches long, and 14. 75 inches