twins - engine parts

Condition: NOS
Fits Triumph 350 cc ohv Twin 3T Deluxe
1948 - 1951Priced and sold per set.

Condition: NOS
Copper + 2 sealingrings
73 mm boreFits Weslake 750 Twin
Rickman - Triumph V8 conversion kit, eight valve
1968Priced and sold per set.

Condition: used
Made in England
Fits: 3TA, 5TA, T90, T100A 1962-
Engine number: H22299
Please note: this is a non-matching pair !
OPN: E4005/4645

Condition: Used, but good
- 1968
Also fits later types

NOS
Made by Alpha Bearings U.K.
Fits: 350 - 500 Unit motors 1958 - 1968
STD size
OPN: 70-4322 / 70-4137

NOS
Made by Triumph-Meriden
Fits: 350 - 500 Unit motors 1958 - 1968
Genuine part, steel bush with bronze bush inside
0.20" and 0.30" O.S.
OPN: 70-4322 (70-4137)

Condition: Used but very good
Top fin repaired, see 2nd photo
Complete with new GPM pistons 58.25 diam.
1958 - 1969
Compression ratio 7.5 : 1

Condition: N.O.S.
Fits: 350 Unit Twins type Twenty-One, 3TA, 1963-
Made in England by Triumph-Meriden

condition: NOS
fits: 350 twins 1957-1969
oversize +0.20"
complete with circlips
Made in Italy

Condition: NOS
Unit engine, 1970-1975
Trophy Trail TR5T
Daytona T100R Trophy

New stock
Made in England
Fits: Tiger 100S + C + Tiger 90, 1968-1970
OPN: 70-7578

Condition: Used but in good condition
Complete plus bush and bearing
Engine no: H22299
1960 and onwards

Condition: NOS
Fits T120, T12 OR, TR6R etc.
1963 - 1973
Genuine Triumph - Meriden

Condition: Used
1963 - 1970
cast-in no: E3925

New stock Made in England
Fits T120-TR6 1963-1972 9 stud unit engines
OPN 70-6304

Condition: NOS
Compression ratio 11:1
0.10" oversize
Fits T110 - T120 - TR6 etc.
1957 - Priced per pair

Condition: NOS
1963 -
​Made in England
Fits Bonneville T120R, Tiger TR6R & Trophy TR6C 1971-1972
Will fit engines 1963 -

Used but in very good condition
Fits: 1971 T120R Bonneville, TR6R Tiger, TR6C Trophy
Will NOT (!) fit 1972 type with metric crankshaft bearing
OPN E11266 - E12274

Condition: NOS
​1963 - 1970
Fits models: Bonneville T120, Thunderbird 6T,
Trophy TR6

Condition: NOS
​1963 - 1970
Fits models: Bonneville T120, Thunderbird 6T,
Trophy TR6

NOS
Made in England by Triumph Meriden
Fits: T120R, TR6R, TR6C
1970-1972
OPN: 57-3982 (57-4175)

Condition: used
Made by Triumph-Meriden
Fits type: 6T, TR6, T120, 1963 - 1965
With speedometer drive (15T)
OPN: T1703 (57-1703)

condition: used, reconditioned new valves & guides
model years: 1953-1956

Condition: Used, 1 bottom fin repaired
Head c/w valves guides & springs
Fits: 6T Thunderbrid 1953-1957

condition: NOS
model years: 1959-

NOS Made in England
T120-T140-TR6-TR7
1963-1985
OPN 70-2904 & 70-4603

Condition: used (one minor crack, see third picture)
Made in England
Fits: T120 - TR6 Trophy 1968
Casting number: T2439
OPN: 57-2439

NOS
Made in England by Triumph-Meriden
Fits: TRW, 5T, 6T, T100, T110, TR5, TR120 pre-unit + T120 unit
-1967
OPN: 57-0914

Condition: NOS
1964 -
T100S, T100R, T100C, T100T & Trophy Trail TR5T
Made in England

Condition: Used but in good condition
1958 - 1973
Complete with set of Hepolite T120 STD pistons
71 mm Compression Ratio 9:1
Barrel bored honed to 0.09 mmPriced as a complete set ready to fit.

Condition: Used
Fits: 500 Unit twins 1968-
Choke dia: 30mm
Made in England

condition: NOS
model years: 1964-1974

condition: NOS
1968 - 1972
Made by ARE

New stock
Made in England
Fits all 650 Unit motors 1963 - 1973
76mm diameter
Piston rings by Goetze
Pistons also separately available in std, 0.20 + 0.40 O.S.

NOS
Made in England
Fits: T120, TR6 1969-
Casting nr. 71-1031
OPN: 70-9749

Condition: used
Fits: 6T, TR6, T120 Unit Twins 1963 - 1967
Casting nr. E4567
OPN: 70-4567

condition: NOS
model years: 1963-1971

Condition: NOS
1963-1973
9-stud 650 cc, fits all 650 pre-unit engines

Condition: Used, undamaged
New lead-free seats for exhaust and new valves & guides fitted.1972 - (push-over exhaustpipes only)

condition: NOS

condition: NOS
model years: 1971-1972
distribution side (D.S.)

condition: NOS
model years: 1971-1972
bare, 9-stud type with valve seats

Condition: NOS
Made for Royal Wedding 1977,
Golden Jubilee 1980
TSX, TSS & Harris models
Replaces 57-7050

Condition: NOS
1975 -
Complete with plug

Condition: N.O.S.
Fits: all T140V+E+ES Tiger 750-Harris Bonneville 1973-1986
Made in England by Triumph-Meriden

condition: NOS
model years: -1976

Condition: NOS
Genuine 10 bolts type, STD 76 mm bone
1976-1983

Condition: N.O.S.
Barrel with new liner+hepolite pistons .040 oversize bored + honed
Ready to use
Fits: 750 Twins 1974-

Condition: NOS
1981 - 1983Priced and sold per set.

condition: NOS
model years: 1973-1974

Condition: NOS
1977 - 1982 5-speed gearbox
Casting no: 57-3752

Condition: NOS
For RH gearchange only
1973-1975Possibly complete with timing side

Condition: NOS
For RH gearchange only
1973-1975Possibly complete with driving side

Condition: Used, ready to fit
Converted to push-over exhaust pipes ("Push-in" still possible)
Head has been skimmed.
1973 - 1978

Condition: used but in very good condition
For righthand gearcharge only
1973-1975
+ Tiger 750 TR7RV casting-numbers 71-1080 + 71-1081

Condition: Used
Fits: TR7RV 1973- + Thunderbird 650 TR65 1981-
Made in England

Condition: Used
1973 -
cast-in no: 71-3779

Condition: NOS
1981 -
Made in England

Used but in very good condition
Made by Triumph - Meriden
Fits: 750 Twins 1973 - 1980
Engine number: TR7RV, PA24580
OPN: 71-7021 / 71-7401

NOS
Made in England
Fits T150 - T160 5-speed
1971-1975
OPN: 57-4370

Condition: N.O.S.
Set of 4 big-end shells Std size
Fits: TSS 8-valve 1982-1983 only
Made in England

Condition: N.O.S.
Fits: Eightvalve T140 Bonneville 1982-1983
Made in England by Triumph Meriden

Condition: NOS
For 8-valve cyl.head
1981 - 1983Priced and sold per pair.

Condition: N.O.S.
Fits: TSS Eight-Valve T140ES 1982-
Made in England by Triumph Meriden

Condition: NOS
8-valve
1982
Made in EnglandPriced and sold per piece

Condition: NOS
8-valve
1982
8 x 71-7284 inner valve spring
8 x 71-7455 outer valve spring
Made in EnglandPriced and sold per set.

Also fits Rickman - Triumph eight-valve conversion kit 1968-

Condition: used
Made in England
Fits: 350 - 500 Unit motors with distribution ignition 1958 - 1964
Casting nr. E3693 AMZ
OPN: E3693 (70-3693)

New stock
Made in England
Fits T120-T140 1963-1983
Replaces OPN 57-1362 / 57-7058

Condition: N.O.S.
Fits: Bonneville eight valve 1982-1983

Choice of sizes:
99-7567 Std size
99-7568 .010" oversize
99-7569 .020" oversize

Made in England by Triumph-Meriden

Condition: NOS
Complete with HT lead & clamp
6 volt
1958 - 1965