Minisport

Engine head parts & accessories

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ROCKER ADJUSTING SCREW COOPER S 5/16" - AEG167

AEG167- ROCKER ADJUSTING SCREW COOPER S 5/16"

Rocker adjusting screws are often worn but rarely inspected, both ends of this complex screw are often worn and in dire need of replacement. These screws, sold individually without nuts, are used in our forged S rocker, they fit CAM289/12G1221 & C-AHT436 & C-AHT446A assemblies.

$5.41
($4.05 USD ) In stock

MINI & MOKE ROCKER ADJUSTING NUT (1/2" AF NUT SIZE) - NT605061

NT605061- MINI & MOKE ROCKER ADJUSTING NUT (1/2" AF NUT SIZE)

1/2"AF wide nut to fit the larger size rocker screw as used on all forged, sintered and later pressed steel versions that use AEG167 screw in EN8 with heat treated ends. See AEG167EVO upgraded hex head type.

$2.27
($1.70 USD ) In stock

Mini tappet adjusting screw (single) - 12A1215

12A1215- TAPPET ADJUSTING SCREW - MINI

All the "pressed" rockers (except 1275cc type) use this adjusting screw, sold seperately. The 7/16"AF size nut is 6K654. This fitted all early "A" series engines including Morris Minor A35, A40 Farina and Sprite. Sold singly 8 required per engine

$11.77
($8.81 USD ) In stock

Mini rocker post spacer (1.30mm thick) - 2A515

2A515- Mini rocker post spacer (1.30mm thick)

Spacers for under the rocker pedestals are used mainly by engine tuners to allow tappet adjustment to be made where cylinder head modifications have been carried out. 1.30mm/0.0512" thick. 

$9.05
($6.77 USD ) In stock

Mini stainless steel head nut covers - SMB27

SMB27- Mini stainless steel head nut covers

These are head nut covers that screw onto your protruding head stud when the nuts are fitted.

$81.77
($61.19 USD ) In stock

Mini rocker stud short (inner) 2 req per head (SOLD SINGLE) - 51K1473

51K1473- ROCKER STUD SHORT (inner)

5/16unc stud with unf end for nut and is 2.75"long 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.

$4.32
($3.23 USD ) In stock

Mini rocker stud long (outer) 2 req per head (SOLD SINGLE) - 51K885

51K885- Mini rocker stud long (outer) 2 req per head (SOLD SINGLE)

Mini rocker stud long (outer) 2 req per head (SOLD SINGLE)

$3.59
($2.69 USD ) In stock

Mini competition head washer set (10 in a set) - C-AHT288

C-AHT288- HEAD WASHER SET (10)

Competition head (spring) washers, set of 10.
Original ST spring type washer especially required when using original 6-sided head nut. Suits ALL size engines 850/1000/1100/1275/Cooper s

$10.91
($8.16 USD ) In stock

Mini 'small bore' valve stem seal (o'ring type) set of 8 - 2A879 (x8)

2A879- Mini 'small bore' valve stem seal (o'ring type)- set of 8

Valve stem seal for many engines, this is the 'O ring' type as used on many small bore engines 

$8.00
($5.99 USD ) In stock

Mini valve stem seals, set of 8 - ADU4905

Mini valve stem seals, full set ADU4905

These valve stem seals suit most mini's, they are the best on the market as they have a spring that holds them tight against the valve itself. They fit any head with the groved valve guides (have a grove at the top of the guide like the ones in our store 12G1963).

You get a set of 8 (4 inlet and 4 exhaust).

$14.18
($10.61 USD ) In stock

Mini valve spring set suit 850-1000-1100cc - AEA311 (X8)

AEA311(x8)- Mini Valve springs set of 8

Suit any small bore engine, weak valve springs can lead to valve bounce and massive power loss, we also would strongly suggest you install some new valve stem seals when doing these.

$62.73
($46.94 USD )

OUT OF STOCK

Mini dual valve springs, FAST ROAD, 200LB - C-AEA526

C-AEA526- VALVE SPRINGS RISING RATE UP TO .495 LIFT FITS ALL (200lb)

Manufactured from super quality silicone wire imported from Switzerland, their resistance against fading and breaking is extremely high. They are also designed to take standard type top caps. They can be fitted directly to the head with no fear of spring crush.
200lb Dual springs for use up to 8000 rpm and .400 lift.

$80.91 $62.73
($46.94 USD ) In stock

Mini dual valve-springs, RACE TYPE, 280LB - C-AEA527

C-AEA527

Valve-springs, Race-type 280LB

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 out-dated overnight, as it became necessary to reduce spring crush.
The standard fitted length of springs is 1.4" - 1.42"

$86.36
($64.63 USD ) In stock

Mini manifold stud, for all carby (SU) mini's - 53K487

53K487- MANIFOLD STUD ALL A SERIES UPTO SINGLE POINT INJECTION

Manifold stud for all A series engines up to injection which use LYR10028 which is 6mm longer at 45mm.

$2.00
($1.50 USD ) In stock

Mini manifold nut, short type (SOLD SINGLE) - GFK3436

GFK3436- MANIFOLD NUT SHORT BRASS

 Stock brass manifold nut. You will probably want a mix of these and the longer 51K1177 to secure your intake/exhaust manifold. Sold separately (you will need to buy 6 of these for a complete set)

$1.77
($1.33 USD ) In stock