TWS Performance Rover V8 Heads 3.5, 3.9, 4.0, 4.2, 4.6

TWS Motors
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Get a set of performance heads custom worked by The Wedge Shop. These heads on a 3.5 along with our TWS four barrel setup, TWS Cam Kit and TWS headers can see an additional 50hp. These can also be used on Fuel Injected cars (Land Rovers), but we recommend upgrading your ECU



• Exhaust Valve size 35.5mm – 1.4”
• Intake Valve 41.4mm – 1.63”
• High flow valve stems (waisted stems)
• Valve heights set the same


• Intake ports ported & exhaust ports gasket matched
• Bowls are opened up and ported


• Heavy duty valve springs installed to match camshaft profile
• Valve seats opened for larger valves
• Valve guides cut down to accept larger lift cams and valve seals reinstalled
• Push rod holes opened to accept large lift camshafts


Heads can be bought without an exchange set for an additional $350 with the exception of 4.0 heads.