SB Mopar 340 171cc Bare Aluminum Cylinder Heads. Fits '68-'71 340. 65cc Combustion Chamber. CNC pocket ported. PW 2.02" intake, 1.60" exhaust valves included. Manufactured from A356-T6 aluminum. Each pair comes with a detailed flow sheet. Ready for assembly and sold as pairs. Note: For use on '68-'71 340 engines using OE pistons - positive deck. Download Data here -
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