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21157 and 21158 Must use Corvette C-6 Dipstick and tube Part Nos
Use a 3/8" adapter and a power drill to prime away happily
Rpm operating range 1800 - 5800 Duration advertised Inlet 270°
Finned R8443 RPCR8443 Fits 1980-85 (Driver Dipstick) S/B Chev 283 - 400
Edelbrock Big Victor Spread-Port Bare CNC Cylinder Heads 618270 VR38DETT 21157 and 21158 Must useBrand: Edelbrock Manufacturer's Part Number: 618270 Part Type: Cylinder Heads Product Line: Edelbrock Big Victor Spread Port Bare CNC Cylinder Heads Automotive Fittings Part Number: EDL 618270 UPC: 085347897476 Combustion Chamber Volume (cc): 82 Intake Runner Volume (cc): 498cc Cylinder Head Style: Bare Cylinder Head Material: Cast aluminum Intake Port Shape: Oval Intake Valve Diameter (in.): 2. 500 in. CNC Machined Combustion Chamber: Yes CNC