CHEV 283 307 327 350 383 400 HOOKER EXHAUST HEADER GASKETS # 10812HKR Rate_12 Full power output at high

Full power output at high rpm

Core Height (in):10

Hub Height: 4-1/2"

They are designed for stock or mildly modified engines for the value-conscious buyer

TCI Valve Body Gasket GM Turbo 400 # TCIGSK221500

CHEV 283 307 327 350 383 400 HOOKER EXHAUST HEADER GASKETS # 10812HKR Rate_12 Full power output at highCHEV 283 307 327 350 383 400 HOOKER EXHAUST HEADER GASKETS # 10812HKR Exhaust Gaskets, Header, Steel Core Composite, Round Double Flange Port, SBC, Chevy, V8, Set of 4 Port Style: Double flange Gasket Material: Steel core composite Thickness (in.): 0. 060 in. Quantity: Sold as a set of 4. Notes: Set includes inner and outer flange gaskets. Port holes are oval shaped.