(2 367,56 €) £2 367.56 exc vat
(2 841,07 €) £2 841.07 inc vat
Out of stock
The valve springs used are C-AEA526 with a fitted length of 1.350"
for the most radical of race cams C-AEA527 may be used with a fitted length of 1.440"
This is the cylinder head only and not a straight bolt on part so see description for C-AJJ4064 kit.
All heads are hipped and heat treated from the foundry and pressure tested before machining and again after they are assembled.
Special camshaft and modification to No 2 &4 S con rods is required, or special rods C-AEG624 are available using different bolt configuration.
Original design and tooling from Jim Whitehouse-the founder of Arden Conversions this head with tecalemet injection won class and series outright,in the 1969 British saloon car championship on a 970cc Cooper S.
37mm inlet and 30.5mm exhaust valves
Head Gasket GEG300,BK450 or C-AHT189 cometic/or multi steel layer type must be used
(2 367,56 €) £2 367.56 exc vat
(2 841,07 €) £2 841.07 inc vat
Out of stock
3 layer steel head gasket especially suitable for full race engines up to 73.5mm
bore where it has larger bore holes and considered the ultimate head gasket.
Especially recommended for 8 port heads as it has no fire/compression ring...
EN24 Nickel Chrome moly steel studs,Competition head stud kit.
torque to 45ftlbs -no need to re-torque cometic type head gaskets.
For use on the 2012 onwards heads only.
Alloy 8 Port Head with valves/springs /top caps built up to take .500 thou cam lift with approximately 20.5cc combustion chamber.---Minispares have managed to get 148bhp and 120ft lbs of torque.
This is not a straight bolt on part so see [...
The original Special Tuning head 8 port head by Jim Whitehouse is the ULTIMATE Push rod head for the "A"Series has now been revamped and made available with larger inlet valves and special seats available to special order.Ports and combustion chamber...
The original Special Tuning head 8 port head by Jim Whitehouse is the ULTIMATE Push rod head for the "A"Series has now been revamped and made available with larger inlet valves and special seats available to special order.Ports and combustion chamber...
Modern high lift, short duration camshafts have posed quite a few problems for the general public in recent years. Widely available performance valve springs were outdated overnight, as it became necessary to reduce spring crush. This, in turn, cause...
Genuine Mini Spares valve stem oil seal manufactured with original Dupont Viton, as fitted to the twin points engines, are the best material and seal you can use and although expensive are the best to date in stopping the engine smoking.
Man...
This is for one inlet guide only-special stepped colsibro valve guide which retains the valve spring collar on 8 port alloy heads manufactured from July 2010.Contact our York branch for spares.
These valve guides can be fitted to earlier 8 p...
37mm(1.457") longer inlet valve for the 2012 on 8 port head only
for use with special guides these are plasma heat treated to eradicate premature wear from unleaded petrol
3.933" 99.898mm long
Set of strong lightweight titanium top caps to suit our valve springs C-AEA526/527 hard for single collet competition valves. Sold as a set of 8.
30.5mm(1.2") longer exhaust valve for the 2012 on 8 port head only
for use with special guides these are plasma heat treated to eradicate premature wear from unleaded petrol--For earlier heads see C-AHT376/7 valves.
The valve size h...
This is for one exhaust colsibro valve guide only, stepped which retains the valve spring collar on 8 port alloy heads manufactured from July 2010.
The exhaust guide has not got a taper on port end whereas inlet has for better flow.Contact o...
New competition valve cotter, these are precision CNC machined from 4340 and heat treated to a better spec than EN24T and claimed to be stronger in fatigue life.
These locate better in the valves and easier to control spring heights.
30.5mm(1.2") exhaust valve seat for the 2016 on 8 port from Race head number 02-040 and road head number 01-018-now fitted to 5 port race head C-AHT347RACE
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