Engine Covers

Primary Chaincase Covers

More to come, please search our catalogue using part numbers

Part # Description Models Photo
(Click to Enlarge)
42-7506 Outer Primary Chaincase Cover

BSA A7/A10/B31/B32/B33/DBD

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42-7506 BSA Outer Primary Chaincase Cover
57-1186
57-1190
T1186
T1190
Primary Chaincase Set (Inner & Outer)

Triumph TR5 Trophy/
T100 Tiger/ T110 Tiger/
TR6 Trophy 1954-59
T120 Bonneville 1958-59

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57-1186 T1186 1190 Primary Chaincases Triumph Pre Unit
57-1275 Primary Chaincase Cover (Alternator Type)
Genuine New Old Stock, in Army Packaging
Triumph TRW 500cc
57-1600
57-1601
Primary Chaincase Set (Inner & Outer)

Triumph Pre-Unit Alternator Models 1960-62

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T1600/1601 Primary Chaincase Triumph Pre-Unit Alternator
57-1727
T1727

Primary Chaincase Cover

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Triumph TR6 Trophy/T120 Bonneville 1963-67

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57-1727 Primary Chaincase Cover - Triumph TR6/T120 1963-67
57-2440 Alternator/Rotor inspection cover Fits 500cc and 650cc
(70-9249 + 70-9245)
70-3917 Genuine Primary Chaincase Cover Triumph T20 Cub 1959-61
70-9245
E9245
Primary Chaincase Cover
Replaces 57-1727 + 57-2439

Triumph TR6/T120 1968 on 650cc

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E9245 70-9245 Primary Chaincase Cover - Triumph TR6/T120 1968-74
70-9249 Primary Chaincase Cover
Replaces 70-4122 + 70-7259
Triumph T100/TR5T 69on
500cc
71-7003 Primary Chaincase Cover
Replaces 71-3555 + 71-7465
Triumph T140/TR7

Timing Covers

Part # Description Models Photo
(Click to Enlarge)
70-2297
(T2297)
Timing Cover
(In original army packaging)
Triumph TRW Triumph TRW Timing Cover
70-3677
E3677
Timing Cover – Dynamo Models

Triumph T110/TR5/TR6/6T 1938-59

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70-3766 Triumph Timing Cover
70-4167
E4167
Timing cover – Rev counter type

Triumph Pre Unit 650CC
5T/6T/T120/TR6 1954 on Alternator Models

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70-4167 Triumph Timing Cover Bonneville
70-7738 Timing Cover
(Sandcast)

BSA Rocket 3 1968-72
Triumph X75 Hurricane

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70-7738 BSA Rocket 3 Timing Cover