Brand New 4.6 Cylinder Heads 10 bolt design suitable for all Rover V8 Engines. Although these are a direct repalcement for the later 3.9 and 4.0/4.6 litre engines they can also be used on earlier 3.5, 3.9 and 4.2 litre engines to raise compression ratio.
3.5,3.9 & 4.2 Cylinders Heads ( 14 Bolt ) are typicaly 35-37cc Chambers. The 10 bolt heads are a nominal 28cc which will raise compression and as a consequence BHP.
These heads are supplied BARE and therefore require valves, valve springs and retainers collets.
You may wish to consider fitting standard valves and springs ( see our valve and spring packages) or upgrading to the Big Valves please also see valve, guide and seals for this conversion.
Heads are per pair and are outright sale with no exhange surcharge.