Norton twin parts cylinder, cylinder head, valves and fittings
Norton Twins-cylinder head
| Model | Product Image | Product Name | Qty. | Price |
|---|---|---|---|---|
| R-062725 (MA-B91) BT-D12/140 | ![]() |
Valve guides, Norton twins, inlet, 1949-72 UK ea Valve guide, inlet, suit Norton twins and early Commando 750 (1949- 1972), each . 2 required per motor, cast iron see... |
2 | $14.00 |
| R-062760 (BT-06270) | ![]() |
Valve guides, Norton twins, inlet, 1949-72 UK ea +0.002in Valve guide, inlet, +0.005, suit Norton twins and early Commando 750 (1949- 1972), each , cast iron. Original part... |
2 | $20.00 |
| R-062767 (BT-06276) | ![]() |
Valve guides, Norton twins, inlet, 1949-72 UK ea +0.005 Valve guide, inlet, +0.005, suit Norton twins and early Commando 750 (1949- 1972), each , cast iron. Original part... |
4 | $22.00 |
| R-062768 | ![]() |
Valve guides, Norton twins, inlet, 1949-72 UK ea +0.010 Valve guide, inlet, +0.010, suit Norton twins and early Commando 750 (1949- 1972), each , cast iron. Original part... |
2 | $33.53 |
| R-067506T | ![]() |
Valve spring collars /cup (top), Norton twins (set 4), Titanium Valve cups (top collar) for Inlet and exhaust valve, for Norton twins, matchless twin 1964+ (each), titanium, set... |
1 | $90.00 |
| BT-D12/148 (R-061399) | ![]() |
Valve spring cup (bottom), Norton twins 0.630in bore (ea) Valve cups (bottom collar) for Inlet and exhaust valve, for Norton twins (each). 4 required per engine. If using head... |
8 | $18.25 |
| BT-D12/148 orig size (R-067545) | ![]() |
Valve spring cup (bottom), Norton twins 0.705in bore (ea) Valve cups (bottom collar) for Inlet and exhaust valve, for Norton twins (each), 0.705 in bore suits early guides. 4... |
9 | $18.25 |
| BT-D12/147 (R-067506) | ![]() |
Valve spring cup (top), Norton twins (ea) Valve cups (top collar) for Inlet and exhaust valve, for Norton twins, matchless twins 1964+ (each). 4 required... |
10 | $31.40 |


