£2,519.12 exc vat
£3,022.94 inc vat
Out of stock
Fitted with C-AEA530 titanium top caps
It is supplied fully assembled with springs/top caps,Evo collets and uses larger 37mm inlet valves and 30.5 exhaust valves and will handle cam lifts up to .500"
Also in this kit is a set of correct length (.220"longer) push rods C-AEG583,plus the 4 front head studs 51K282 and manifold gasket C-AHT380.
Standard S con rods Number 2 and 4 usually need modification for clearance owing to cam lobe configuration. Con rods ready to fit are available as C-AEG624.
Special 8 port cams are required. Special exhaust manifold C-AHT343 is also required.
Combustion chamber is approx 20.5cc (compression ratio should be checked) to suit sensible compression ratios on big bore engines and from Jan 2012 the revamped head uses stepped guides which retain the valve spring platform as per all modern day race heads.
A special set of 8 port hilift roller rockers in correct sequence and spacings are also available as C-AHT448 for this new head.
A fully programmable injection management kit is available as C-AJJ4065
Head Gasket GEG300,BK450 or C-AHT189 Cometic type must be used
cylinder head nut torque setting is 50ftlbs, if using a Cometic type gasket the head must be relieved to clear the rivet on the gasket.
£2,519.12 exc vat
£3,022.94 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...
8 port large bore exhaust manifold to compliment our race 8 port head
The original Special Tuning head 8 port head by Jim Whitehouse is the ULTIMATE Push rod head for the "A"Series but is NOT A STRAIGHT BOLT ON PART.
It is supplied fully assembled with springs/top caps,Evo collets and utilizes the original siz...
Alloy 8 Port Head with 37.mm inlet valves with springs/top caps built up to take .500 thou cam lift with approximately 21cc combustion chamber.
The valve springs used are C-AEA526 with a fitted length of 1.350"
for the ...
5/16 unc stud 2.800"long with unf end 0.754"thread for nut. Using new hardware makes any job more pleasant. If you're servicing your cylinder head you should examine the rocker studs for signs of stretching or stripped threads. Two long ([link]51K885...
Using new hardware makes any job more pleasant. If you're servicing your cylinder head you should examine the rocker studs for signs of stretching or stripped threads. Two long (51K885) and two short (51K1473) per head.
This is ...
Heater valve studs fitted to the cylinder head. 1/4"unf 1.1250" long.
Probably the most changed stud on the mini. This is the length used on every A series engine until the introduction of the sandwich plate when longer ones were required. A stainless steel variety C-STR286 is available which we do recomme...
Stud to hold the clutch case to the engine and gearbox, 3 of required. 5/16"UNC thread for alloy fitment for gearbox with UNF thread the other end for the nuts. These are 1.5"long.
The 6 longer ones are 22A152.
These st...
Extra length of 0.220" for 8 port Arden heads on 1275cc. Larger 6.35mm diameter 3 piece push rod (2 ends and 1 rod) which needs loctiting for safety although once fitted the parts cannot displace.
The larger diameter improves push rod rigi...
Alloy 8 Port Head with 37.mm inlet valves with springs/top caps built up to take .500 thou cam lift with approximately 21cc combustion chamber.
The valve springs used are C-AEA526 with a fitted length of 1.350"
for the ...
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.
Set of direct to head fuel injection to suit 2012 onwards C-AJJ4064 & C-AJJ4064RACE arden heads.
This is the same injection that is included in the full injection kit C-AJJ4065, but due to many customer requests it is now avalible ...
Amal carburettor kit for the Arden 8-Port head. Complete with carbs, manifolds and linkage.
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.
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...
Roller-tip rocker assembly. 1.5 Hi-Lift for 1275cc 8 port cylinder heads only.
this kit has 6 L/H rockers and 2 R/H. Specially designed to fit the currecnt July 2012 on head, with corrected geometry to give more stability over the valve and...
ACL Race Bearings
ACL Race series bearings are precision manufactured to a wall thickness of ±0.0040mm giving engine builders close control of vertical oil clearance.
What is the purpose of ACL Race series bearings?
...
If the longer engine block bolt that goes through the engine stabiliser bushes is broken and there is no engine breather fitted use kit use MSSK002.
If both engine block bolts for the engine stabiliser bar are broken and there is no breather...
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