As you will see, our extensive list of replacement heads ensures there is a pair suitable for your engine and engine requirement regardless of age or type of your V8.

All prices are per pair & include valves and valve springs. A surcharge may apply if no exchange heads are available.

If you wish to retain high compression, or increase compression (this would not normally be of great importance) and use composite gaskets, it is not possible to remove (skim) enough from the face of the heads. So the solution would be to re-face the engine block or use the latest 4.0 & 4.6. Rover heads which have only 28cc combustion chamber.

We have been contacted in the last few months from many clubs and customers worried about the reduction of fuel quality and necessity to run unleaded. It is now possible to offer a solution to solve the problem for V8s including all those high compression early (pre-'76) engines.

Rebuilt early heads with enlarged new valves and valve seats to standard later specification ensuring no loss of power but running unleaded fuels. Unleaded valve guides and later valve stem neoprene seals. Fully chemically-cleaned and re-faced, and finished with valve springs.

This will solve 2 of the 3 problems associated with unleaded fuel, the third problem is caused by the high compression and this can easily be reduced by the use of composite head gaskets. They will prove a far more effective seal than the standard shim steel gaskets and lower the compression to an acceptable 9.8-1 (variable from engine to engine) no loss of power will be resultant due to the more efficient valve sizes furthermore originality is not impaired apart from the fact the Dual springs will be replaced with less damaging single springs (Dual springs not required on our heads unless your engine is going or expected to rev beyond 6500rpm)

Please note ------ The reason the compression has to be lowered is that it would be almost impossible to avoid 'Pinking' (pre-ignition) on a 10.5-1 compression ratio.

Stage 1 Reconditioned.
Cleaned and refaced as per Standard reconditioned above, with the addition of gas-flowed inlet and exhaust ports and throats, modified and improved combustion chambers to ensure correct flow to the accurately machined three compound angle Valve seats. And with streamlined valve guides, new valves and valve springs, add up to make our STAGE 1 heads the best value around for affordable power gains and increased efficiency (much more of what you need best 'Street and High Torque' efficiency).

Same exchange issues as above.

Recommended but not essential for fast road, larger capacity road and/or smaller capacity semi-race engines, especially if you want to Optimize your engines performance and economy.

Stage 3 Reconditioned.
For all those V8 owners and drivers seeking near maximum potential whilst retaining affordability, competition specifications and street driveability, these heads are for you. STAGE 3 achieves, as you would expect all the highly detailed work or our acclaimed STAGE 1 heads, but further utilize the largest size valves possible and compatible to standard valve seats, they are supplied fully ported and engineered to precisely match gasket facings and substantially enhance flow rate and are supplied with Hi-rev Valve springs to match your camshaft choice (check out the massive bhp and relentless torque of our Stage 3, 4.6 V8s that regularly use these heads).

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