Seller notes

Like all Speedmaster cylinder heads, the Mopar heads are produced using our "Gravity Casting" process. This process ensures a more uniform and robust casting, laying a strong platform to build on.These heads are set up for a Hydraulic Roller Cam. Assembly Specifications Max Lift: .650Coil Bind: .1.125Intake Install: 145lbs @ 1.9Exhaust Install: 145lbs @ 1.9Closed Sear Pressure: 135lbsOpen Seat Pressure: 280lbsGrab a set and you'll be another satisfied Speedmaster - RACE Proven Products customer....

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