Manifolds

Part No: FNZ105
  In Stock
NUT - 5/16" UNF
Required Quantity: 6
£0.35 inc VAT
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Part No: PWZ105
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WASHER - PLAIN - 5/16"
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£0.17 ex VAT
Part No: SH605041
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SET SCREW-5/16'' UNF x 1/2''
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Part No: ADP210
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Part No: 1B3664
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Part No: 12A1211
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Part No: 51K1177
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Part No: CHS2513
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STUD-5/16 UNF/UNC x 1 5/8''
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Part No: CHS2613
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STUD-3/8 UNF/UNC x 1 5/8''
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Part No: GHF261
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Part No: GUG704053MG
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Part No: GUG704063MG
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Part No: 2K4973
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Part No: CHS2512
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STUD-5/16 UNF/UNC x 1 1/2''
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Part No: CHS2516
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STUD-5/16 UNF/UNC x 2''
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Part No: 12A1097
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Part No: 12A696
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USE: CHS2613 OR CHS2616
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Part No: 12G1540
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Part No: 12G297
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Part No: 2K8159
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Part No: 53K269
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STUD
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Part No: ADU6642
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Part No: CHS2616
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STUD-M8 x 48mm
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No. Part No. Description Qty. Remarks
         

Please note that several different types of manifold nut are shown in this section.  The standard brass nut GHF261 is the usual fixing for manifolds - being brass it doesn't sieze on the steel manifold studs too easily.  The long brass nut 51K1177 first saw light on Mini manifolds when BMC's Competitions Department and Special Tuning wanted a manifold fixing that wasn't so fiddly to get at.  It does the job very well and is far easier to do up or undo than the standard nut, but for some reason - probably cost - was never adopted on the production line.  The steel nut alternative, FNZ105, was fitted off and on over the years (most likely as a panic measure when the production line ran out of brass nuts) but does tend to sieze on the manifold studs unless plenty of copper grease is applied.

Combined inlet and exhaust manifold

Single HS2 Carburetter Type
Manual Gearbox, 1959-74

Early 848cc Mk I Minis were fitted with a manifold lacking the boss to accept positive crankcase ventilation (PCV); this manifold has been superseded by a later design with the boss.  If your early Mini is not fitted with a PCV valve you will also need, along with the later 12A1097 manifold, an ADP210 blanking plug and 1B3664 sealing washer to seal the unused manifold boss.

         
1 12A1097 MANIFOLD, inlet and exhaust 1 With PCV valve boss.
2 MFK001 MANIFOLD FITTING KIT 1 Includes gasket, washers and nuts.
3 CHS2613 STUD, carburetter to manifold 2 848cc.
  CHS2616 STUD, carburetter to manifold 2 998cc.
  12A696 STUD, carburetter to manifold 2 Alternative to CHS2613 and CHS2616.
  53K269 STUD, carburetter to manifold 2 For models fitted with induction heater.
4 ADP210 PLUG, screwed 1 For models not fitted with a PCV valve.
5 12H1405 ADAPTOR, breather hose 1 For models with a PCV valve.
6 1B3664 WASHER, sealing plug or adaptor 1  
7 GUG704053MG GASKET, manifold to cylinder head 1  
8 12A1211 WASHER, plain, large, clamping manifold 4  
9 PWZ105 WASHER, plain  2  
10 GHF261 NUT, brass, manifold to cylinder head 6  
  51K1177 NUT, brass, manifold to cylinder head, long 6 Alternative.
  FNZ105 NUT, steel 6 Alternative.
         
Single HS4 Carburetter Type    
Automatic Gearbox, 1964-74; Manual Gearbox 1275 GT, 1969-74
11 12G787 MANIFOLD, inlet and exhaust 1 Automatic, 1964-69.
  12G2292 MANIFOLD, inlet and exhaust 1 Automatic, 1969-74; Manual 1275 GT 1969-74.
12 MFK001 MANIFOLD FITTING KIT 1 Includes gasket, washers and nuts.
13 CHS2516 STUD, carburetter to manifold 2  
14 ADP210 PLUG, screwed 1 For models not fitted with a PCV valve.
15 12H1405 ADAPTOR, breather hose 1 For models with a PCV valve.
16 1B3664 WASHER, sealing plug or adaptor 1  
17 GUG704053MG GASKET, manifold to cylinder head 1  
18 12A1211 WASHER, plain, large, clamping manifold 4  
19 PWZ105 WASHER, plain  2  
20 GHF261 NUT, brass, manifold to cylinder head 6  
  51K1177 NUT, brass, manifold to cylinder head, long 6 Alternative.
  FNZ105 NUT, steel 6 Alternative.
         
Single HS4 Carburetter Type    
Manual and Automatic Gearbox, 1974-92; Canada 1972-75
21 12G3279 MANIFOLD, inlet and exhaust 1  
22 MFK001 MANIFOLD FITTING KIT 1 Includes gasket, washers and nuts.
23 CHS2613 STUD, carburetter to manifold 2 Manual, 848cc without induction heater.
  CHS2616 STUD, carburetter to manifold 2 Manual, 848cc with induction heater, 998cc, 1098cc, 1275 GT.
24 ADP210 PLUG, large,screwed 1  
25 1B3664 WASHER, sealing plug 1  
26 SH605041 PLUG, small, screwed 1  
27 2K4973 WASHER, sealing plug 1  
28 GUG704053MG GASKET, manifold to cylinder head 1  
29 12A1211 WASHER, plain, large, clamping manifold 4  
30 PWZ105 WASHER, plain  2  
31 GHF261 NUT, brass, manifold to cylinder head 6  
  51K1177 NUT, brass, manifold to cylinder head, long 6 Alternative.
  FNZ105 NUT, steel 6 Alternative.
         
Single HS4 Carburetter Type    
Canada and Sweden, 1975-80    
32 12G1540 MANIFOLD, inlet and exhaust 1 1975-76.
  CAM4539 MANIFOLD, inlet and exhaust 1 1976-80.
33 MFK001 MANIFOLD FITTING KIT 1 Includes gasket, washers and nuts.
34 CHS2616 STUD, carburetter to manifold 2  
35 12H2958 ADAPTOR, gulp valve 1 Included in CAM4539 manifold.
36 CAM1233 ADAPTOR, gulp valve sensor 1 Included in CAM4539 manifold.
37 GUG704053MG GASKET, manifold to cylinder head 1  
38 12A1211 WASHER, plain, large, clamping manifold 4  
39 PWZ105 WASHER, plain  2  
40 GHF261 NUT, brass, manifold to cylinder head 6  
  51K1177 NUT, brass, manifold to cylinder head, long 6 Alternative.
  FNZ105 NUT, steel 6 Alternative.
         
Single HS4 Carburetter Type    
Japan, 1980-92      
41 CAM6863 MANIFOLD, inlet and exhaust 1  
42 MFK001 MANIFOLD FITTING KIT 1 Includes gasket, washers and nuts.
43 CHS2616 STUD, carburetter to manifold 2  
44 ADU6642 CONNECTOR 1  
45 ADU6643 CONNECTOR 1  
46 ADU6651 ELBOW 1  
47 CAM6987 ADAPTOR, vacuum take off 1  
48 GUG704053MG GASKET, manifold to cylinder head 1  
49 12A1211 WASHER, plain, large, clamping manifold 4  
50 PWZ105 WASHER, plain  2  
51 GHF261 NUT, brass, manifold to cylinder head 6  
  51K1177 NUT, brass, manifold to cylinder head, long 6 Alternative.
  FNZ105 NUT, steel 6 Alternative.
         
Single HIF 38 Carburetter Type    
Manual and Automatic Gearbox, 1992-94    
52 12G3538 MANIFOLD, inlet and exhaust 1  
53 MFK001 MANIFOLD FITTING KIT 1 Includes gasket, washers and nuts.
54 CHS2514 STUD, carburetter to manifold 4  
55 GUG704053MG GASKET, manifold to cylinder head 1  
56 12A1211 WASHER, plain, large, clamping manifold 4  
57 PWZ105 WASHER, plain  2  
58 GHF261 NUT, brass, manifold to cylinder head 6  
  51K1177 NUT, brass, manifold to cylinder head, long 6 Alternative.
  FNZ105 NUT, steel 6 Alternative.
         
Separate Inlet and Exhaust Manifolds    
Twin HS2 Carburetter Types    
Cooper and Cooper S, 1961-71    
Some Cooper and Cooper S models were fitted with an inlet manifold lacking the boss to accept positive crankcase ventilation (PCV); this manifold has been superseded by the design with the boss.  If your Cooper is not fitted with a PCV valve you will also need, along with one of the inlet manifolds listed here, an ADP210 blanking plug and 1B3664 sealing washer to seal the unused manifold boss.

These inlet manifolds may of course also be used to fit twin HS2 carburetter installations to non-Cooper Minis.

         
59 AEG347 MANIFOLD, inlet 1 1961-69; with PCV boss.
  12G2463 MANIFOLD, inlet 1 1969-71; with PCV boss.
  AUE1014 MANIFOLD, inlet 1 1961-71; replacement for AEG347 and 12G2463.
60 CHS2614 STUD, carburetters to manifold 4  
61 ADP210 PLUG, screwed 1 For models without a PCV valve.
62 12H1405 ADAPTOR, breather hose 1 For models with a PCV valve.
63 1B3664 WASHER, sealing plug or adaptor 1  
64 SH605041 PLUG, screwed 1 For models without servo.
65 13H6289 ADAPTOR, servo hose (non-return valve) 1 For models with servo.
66 2K4973 WASHER, sealing plug or adaptor 1  
67 2K8159 PLUG, welch, inlet manifold 2 Included in manifold.
68 12G297 FERRULE, inlet manifold to cylinder head 2  
69 12G615 MANIFOLD, exhaust 1  
70 MFK001 MANIFOLD FITTING KIT 1 Includes gasket, washers and nuts.
71 GUG704053MG GASKET, manifold to cylinder head 1  
72 12A1211 WASHER, plain, large, clamping manifold 4  
73 PWZ105 WASHER, plain  2  
74 GHF261 NUT, brass, manifold to cylinder head 6  
  51K1177 NUT, brass, manifold to cylinder head, long 6 Alternative.
  FNZ105 NUT, steel 6 Alternative.
         
Twin H4, HS4 and HS6 Carburetter Types    
Special Tuning 1961-80    
Through the 1960s H4 carburetters were offered by Special Tuning for Cooper S models; these fitted on the original inlet manifold albeit using different studs. By the 1970s Special Tuning had replaced their H4 package with a choice of twin HS4 (for 998cc or 1275cc models) or twin HS6 carburetters (1275cc only).

These required their own special inlet manifold, C-AEG489, which may of course be used to fit HS4s or HS6s to non-Cooper Minis.

         
75 AEG347 MANIFOLD, inlet 1 1961-69; with PCV boss. For H4 carburetters.
  12G2463 MANIFOLD, inlet 1 1969-71; with PCV boss. For H4 carburetters.
  AUE1014 MANIFOLD, inlet 1 1961-71; replacement for AEG347 and 12G2463.
  AUE1019 MANIFOLD, inlet 1 1961-69; alternative design for H4 carburetters.
76 C-AEG489 MANIFOLD, inlet 1 1969-80; for HS4 or HS6 carburetters.
  AUE1015 MANIFOLD, inlet 1 1969-80; alternative design for HS4 carburetters.
77 CHS2618 STUD, carburetters to manifold 4 For H4 installations.
78 CHS2512 STUD, carburetters to manifold 4 For HS4 installations.
  CHS2513 STUD, carburetters to manifold 8 For HS6 installations.
79 ADP210 PLUG, screwed 1 For models not fitted with a PCV valve.
80 1B3664 WASHER, sealing plug 1 For models not fitted with a PCV valve.
81 SH605041 PLUG, screwed 1 For models not fitted with servo.
82 2K4973 WASHER, sealing plug 1 For models not fitted with servo.
83 2K8159 PLUG, welch, inlet manifold 2 Included in manifold.
84 12G297 FERRULE, inlet manifold to cylinder head 2  
85      - MANIFOLD, exhaust 1 Please see Uprated Exhaust Systems section.
86 MFK001 MANIFOLD FITTING KIT 1 Includes gasket, washers and nuts.
87 GUG704053MG GASKET, manifolds to cylinder head 1  
88 12A1211 WASHER, plain, large, clamping manifolds 4  
89 PWZ105 WASHER, plain  2  
90 GHF261 NUT, brass, manifolds to cylinder head 6  
91 51K1177 NUT, brass, manifolds to cylinder head, long 6 Alternative.
  FNZ105 NUT, steel 6 Alternative.
         
Single HIF 44 Carburetter Type    
Cooper, 1990-91    
92 CAM6618 MANIFOLD, inlet 1  
  C-AHT770 MANIFOLD, inlet 1 Alternative.
The CAM6618 manifold may be directly replaced by the C-AHT770 item, which is also water heated but benefits from much improved flow characteristics. The vast majority of Somerford Mini customers requiring an inlet manifold for a single HS4, HS6 or HIF carburetter installation choose C-AHT770.
         
93 CHS2514 STUD, carburetter to manifold, short 2  
  CHS2516 STUD, carburetter to manifold, long 2  
94 CAM1233 ADAPTOR, sensor 1 Included in manifold.
95 12G297 FERRULE, inlet manifold to cylinder head 2  
96 CAM6745 MANIFOLD, exhaust 1  
97 MFK002 MANIFOLD FITTING KIT 1 Includes gasket, washers and nuts.
98 GUG704053MG GASKET, manifolds to cylinder head 1  
99 PWZ105 WASHER, plain  6  
100 GHF261 NUT, brass, manifolds to cylinder head 6  
  FNZ105 NUT, steel 6 Alternative.
         
Single Point and Multi Point Injection Types    
SPi, 1991-96; MPi and SPi (Japan), 1997 On    
101 LKB10477 MANIFOLD, inlet 1 SPi.
102 LKB106930 MANIFOLD, inlet 1 MPi.
103 TE108071 STUD, throttle body to manifold 4 SPi.
104 12G297 FERRULE, inlet manifold to cylinder head 2  
105 LKC10090 MANIFOLD, exhaust 1  
106 MFK003 MANIFOLD FITTING KIT 1 Includes gasket, washers and nuts.
107 TD108051 STUD, exhaust system to manifold 3  
108 LKK10025 HOT BOX, exhaust manifold 1  
109 FS106101 SCREW, hot box to manifold 3  
110 GUG704063MG GASKET, manifolds to cylinder head, uprated 1  
111 PWZ105 WASHER, plain  2  
112 GHF261 NUT, brass, manifolds to cylinder head 2  
  FNZ105 NUT, steel 2 Alternative.
113 LYH10008 NUT AND WASHER, manifolds to cylinder head 4  
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