BSA twins- engine parts
68-0942 Oil pipe junction A65-A50 Unit Twins 1968-1973NOS Made in England Genuine BSA-part Does not fit A50-A65 1962-1967 Also part.no. 68-942 was used.
€ 39,00Fits A50-A65 1962-1973
BSA A10 Twin 650 Cylinderhead cast iron (67-1065)Condition: Used
Head in very good condition, no fins broken
Complete with valves, guides and springs
Ready to use.1950 -€ 365,00
BSA A50 - A65 Regina triplex chain Nr. 116038 80 E Opn 19-8639Condition: NOS
Fits Unit Twins A50 - A65 1962 - 1973
Made in Italy€ 72,00
BSA A50-A65 Triplex Clutch chainwheel (58 teeth) Opn. 57-2773 (68-3272)Part no: 68-3272 was replaced by Part No. 57-2773 in 1971
Condition: NOS
Made in England by BSA
Fits: 500-650 Unit Twins 1965-1973€ 208,00
BSA / Triumph oil pressure valve (70-9213)condition: NOS
made in England by BSAfits BSA & Triumph twins & triples€ 39,00
BSA 500 - 650 Twins A7 - A10 Primary chain cover (67-1701)Condition: Used
1954 - 1957
Plunger frames
Made in England€ 142,00
BSA 500 - 650 Twins Clutch centre complete (67-3237)Condition: NOS
Fits A7 - A7 star Twin frame only
+ A10 Plunger 1947 - 1957€ 138,00
BSA A10 / Ariel 650FH Hepolite piston set (67-423 / 67-1416)condition: NOS Hepolite nr. 11412
Made in England
by AE Ltd Bradfordfits:
BSA A10 1950 - 1962 (opn 11412)
BSA A10 Golden Flash 1963
BSA Super Rocket
BSA Rocket Gold StarAriel 650FH Hunt Master twin 1954-1960
std size 70mm, O.S.…€ 224,00
BSA A10 layshaft sliding gear 21T wide ration (67-3212)condition: NOS
Made by BSAfits plunger type gearbox€ 139,00
BSA A10 steel push rods (67-360 + 67-362)condition: NOS, shop soiled, technically perfect
Made in Englandlength 215 - 241mm
fits: 650 pre-unit twins 1950 - 1962set of 4€ 68,00
BSA A10 Super Rocket Set of valves & P.B. guides Opn 67-1551 - 67-0967 67-0031Condition: NOS
Fits: 650 Twins 1960 - 1963
Made in England€ 139,00
BSA A10 Super Rocket Valves & guides set (67-968 / 67-967 / 67-110)Condition: NOS
Fits A10 1956 - 1959 (Alloy cylinder head)
Valve guides in Ph. bronze
Made in England by Alpha Bearrings Ltd
(Sticker not inlcuded)€ 139,00
BSA A10 Twin 650 cc Cylinderhead cast iron (67-1065)Condition: Used but in good condition, no broken fins
1950-€ 270,00
BSA A10 valves & guides set Opn. 67-742 67-743 67-31condition: NOS Made in England by Alpha Bearings
replaces OPN 67-742 - 743 , 67-31
fits 650 Twins 1956-1962 From Eng. No. DA10-651€ 128,00
BSA A10 valves & guides set (67-323 / 67-343 / 67-31)condition: NOS
Made in England by Alpha bearingsfits: A10 650 twins
1949 - 1955
iron cylinder head only€ 128,00
BSA A50 Set of valves & guides Opn. 68-0168/0169/0159Condition: NOS
Fits 500 Unit Twins 1962 - 1965
Made in England Genuine BSA€ 128,00
BSA A50 - A65 clutch centre / shock absorber assy complete (68-3275)Condition: NOS
Made in England€ 198,00
BSA A50 - A65 cover gearbox housing complete (57-4023 / 68-3184)Condition: NOS
1963 - 1973
Opn: 57-4023 replaces 68-3184€ 88,00
BSA A50 - A65 crankcase completeCondition: Used but in very good condition
Fits all types
1962 - 1967
with 5/16" cylinder base studs
(bearings still fitted)
Engine number: A65 D 6583€ 345,00
BSA A50 - A65 Gearbox cam plate (57-2767 / 68-3043)Condition: NOS Made in England by BSA
Fits 500 - 650 Unit Twins 1966- (type without lobe)
Replaces Part No. 57-4026 + 68-3187€ 84,00
BSA A50 - A65 Inner timing cover (68-868)Condition: NOS
Fits all 500 - 650 Unit twins 1962-1968
Made in England€ 228,00
BSA A50 - A65 Inner timing cover (70-9482)Condition: NOS
1969 - 1970
Fits all 500 - 650 twins
Casting no: 70-9480
Made in England€ 182,00
BSA A50 - A65 selector fork layshaft (68-3160)condition: NOS
Made by BSAfits: 500 - 650 unit twins 1965 - 1973€ 59,00
BSA A50 - A65 Toolbox (68-9131)Condition: Used, v.g.c. Sand blased
Fits Unit Twins - 1971
Made by BSA€ 64,00
BSA A50 - A65 Twins, kickstarter crank only 57-2652NOS
Made in England by BSA
Will fit other BSA types
OPN: 57-2652 (part of 57-2649 kickstarter complete)€ 96,00
BSA A50 A65 clutch chain wheel opn. 68-3272 (68-3230)condition: NOS
Made in England Fits 500-650 Unit Twins 1963-1970€ 158,00
BSA A50 A65 outer cover TS (68-227)condition: NOS Made in England by BSA
Fits : 500-650 Unit Twins 1962-1969 Casting Nr. 68-227€ 227,00
BSA A50 A65 outer timing cover (71-1131)condition: NOS Made in England by BSA
model years: 1969-1970 Casting nr. 71-1132€ 189,00
BSA A50 A65 rocker cover (68-0830)Condition: Used but in good condition
Early type from 1962-1965
P.S. Last one in stock€ 89,00
BSA A50 A65 triplex clutch chain wheel 58T, used (57-2773 / 68-3272)condition: slightly used, dismandled from brand new engine
made in England by BSA
fits: unit twins 1965-1973€ 132,00
BSA A50 Cylinder barrel +.040" oversize, Partno. 68-0048C/w set of +.060" o.s pistons (used) and new .060" piston rings
Crankcase studs are 3/8"€ 670,00
BSA A50 cylinder barrel std size (68-0048)condition: used
standard size, honed & skimmed
ready to use with std size pistons (65.5 mm)casting nr 68-47€ 360,00
BSA A50 Gasket + Oil seal setCondition: N.O.S.
Fits: 500 Unit Twins 1962-1970 + 1971-1972
(copper head gasket)Made in England€ 77,00
BSA A50 piston + .060" oversize (68-0440)condition: NOS Made in England + .060" oversize (67 mm) Futs: 500 Unit Twins 1962-1966 One piece only
€ 98,00
BSA A50 Piston ring set o.s. +.020" Hepolite (66mm) 68-0297 + 68-0300Condition: N.O.S. Hepolite no. R17360
Made in England by AE Ltd€ 72,00
BSA A50 Piston ring set std size (65.5mm) R17360 (68-0296-0299)Condition: N.O.S.
Made in England by AE Auto Ltd.€ 72,00
BSA A50 Royal Star cylinder barrel opn 68-0048Condition: Used Good condition Fits A50 1962-1970
Casting nr. 68-47 Stud holes 3/8"
Cylinder bore 66.7 mm
( + 0.40 o.s) (pistons available)€ 470,00
BSA A50 valves & guides set opn. 68-0661 / 68-0662 / 68-0159condition: NOS
Made in England by Alpha Bearingsfits: A50 Royal Star + Wasp 500 Unit Twins 1966-€ 128,00
BSA A50 Wasp + Royal Star Valves & guides P.B. set 68-06661/662/809Condition: NOS
Fits 500 Unit Twins 1967 - 69
Made in England€ 138,00
BSA A50-A65 Adjuster screw + nut for primary chain Part no. 70-7793Condition: N.O.S.
Fits: All unit Twins 1964-1973 7/16" BSFMade in England by BSA€ 19,00
BSA A50-A65 Alternator housing (68-0729)Condition: N.O.S. Shopsoiled, no damage
Fits: A50-A65 1966-1967
Castingnr. 68-729€ 86,00
BSA A50-A65 Cam plate gear change, Partno. 68-3043Condition: N.O.S.
Fits: Early type unit twins 1962- Type with lobeMade in England by BSA€ 84,00
BSA A50-A65 Camplate (68-3043)Condition: N.O.S.
Gearbox camplate , type with lobe
Fits: 500-650 unit twins 1962-1965
Made in England by BSA€ 84,00
BSA A50-A65 Cylinder head bolt set, Partno. 67-0283 etcConditon: N.O.S.
Fits: A50 1968-1970 + A65 all types
Set of 13 piecesPart NO's:
* 67-0283 1x
* 68-0337 4x
* 68-0081 2x
* 68-0079 2x
* 40-0483 4xMade in England€ 37,00
BSA A50-A65 finned rocker cover (68-0830)condition: used, very nice condition
Made in Englandcasting no 68-830
fits: A50-A65 1968-1970 (no head steady)€ 118,00
BSA A50-A65 Gearchange quadrant cplt, Partno. 68-3294Condition: N.O.S.
Fits: 500-650 Unit Twins 1962-1970
Made in England€ 154,00
BSA A50-A65 Kickstart spindle, Partno. 68-3049Condition: N.O.S.
Fits: 500-650 Unit twins 1962-1970
Made by BSA€ 136,00
BSA A50-A65 Layshaft gear 18T close ratio, Partno. 68-3181Condition: N.O.S.
Fits: A50-A65 1962-1973Made in England€ 92,00
BSA A50-A65 M.S. 2nd gear (68-3114)Condition: N.O.S.
Close ratio gear 23T
Fits: 500-650 Unit twins 1964-1971
Made in England by BSA€ 137,00
BSA A50-A65 primary chaincase cover 68-0240Condition: used + slight crack (see picture 2)
Made in England
For 1962- 500-650 unit motors
OPN 68-0240€ 168,00
BSA A50-A65 rocker cover polished (68-830)Condition: used but v.g.c. polished
Modell years 1964-1971€ 78,00
BSA A50-A65 Set of 4 tappets, Partno. 68-362Condition: N.O.S.
Fits: All unit twins 1962-1972 inlet + exhaustMade in England by BSA€ 194,00
BSA A65 camshaft (68-473)Condition: Slightly used Proffesionally polished and checked
Will fit A50 - A65 engines 1963 - 1973
Made in England by BSA€ 148,00
BSA A65 Camshaft, Partno. 68 473Condition: Used, very low milage
Genuine BSA part
Will also fit A50 1962- (OPN. 68 0103)€ 138,00
BSA A65 crankcase assy used opn. 71-1108condition: used, but fair condition Matching nrs. 956 Latest type with 3/8" studs
small repair see pictureengine no CE 06135 A65T OIF-type 1971-€ 485,00
BSA A65 Cylinder barrel c/w new pistons +.060" o.s., Partno. 71 1464Fits: 650 unit Twins with 3/8" studs -1973 (ready to fit)
€ 645,00
BSA A65 Cylinder barrel std size c/w pistons, Partno. 68-0043 (68-886)Condition: Sound cylinder barrel with new STD liners
+ new Std GPM pistons, 75mm low C.R.
(barrel 5/16" studholes)€ 880,00
no image available
BSA A65 cylinder liner€ 84,00
BSA A65 Gasket + Oil seal setCondition: N.O.S.
Fits: 650 Unit Twins
(Copper head gasket)Made in England€ 77,00
BSA A65 Hepolite Powermax Piston set cplt std, Partno. 19233/KRCondition: N.O.S.
Fits: All 650 Unit twins 1962-1973
C.R: 9:1
Hard chrome top piston ringsMade in England€ 258,00
BSA A65 Inlet manifold (68-224)Condition: N.O.S.
Fits: A65 Thunderbolt 1962, will fit A50 as well (part no. 68-223)
Made in England by BSA€ 58,00
BSA A65 inner timing cover with fixed fittings Opn 71-2277Condition: From dismantled new engine.
Casting number: 71-2279
models: A65T, A65L, A65FS 1971-€ 186,00
BSA A65 Kickstart Quadrant, Partno. 57-4312Condition: N.O.S.
Fits: 650 unit twins 1971- OIF modelMade in England€ 136,00
BSA A65 Mainshaft + 1st gear 14T, Partno. 68-3100, 68-3150Condition: N.O.S.
Fits: 650 Unit twins 1962-1973 (OIF) (non close ratio)Made in England by BSA€ 136,00
BSA A65 OIF Idler pinion, Partno. 70-9104Condition: N.O.S.
Fits: Later type A65 1971-
44TMade in England€ 68,00
BSA A65 outer timing cover (71-2280 / 71-2281)Condition: Used but in good condition
1971 O.I.F.
Clutch lift mechanisme included€ 68,00
BSA A65 Piston ring set 75mm std + o.s. availableCondition: N.O.S.
Sizes available: Std size, .020", .030", .040", .060"Made in England by AE-Hepolite€ 59,00
BSA A65 Pistons std size 75 mm High compressionCR 9. 5:1
Part. no; 68- 793 lightweight, high domed pistons
Fits: A65 1962- 1973
Made in England by BSA€ 186,00
BSA A65 Pistons std size 75mm High compression Part. No: 68 892CR 9:1
Lightweight, high dome pistons
Fits: A65 1962- 1973
Made in England by BSA€ 186,00
BSA A65 Pistons std size 75mm high compression Part. no: 68/ 907CR 9:1
Lightweight high domed pistons
Fits: A65 1962- 1973
Made in England by BSA€ 186,00
BSA A65 Push rod set (68-370-372)Condition: NOS
Fits 650 Unit Twins 1962 - 1973
Made in England
Total lenght 190 - 163 mm€ 64,00
BSA A65 set of valves & guidescondition: NOS
Made in Englandfits BSA 650 unit twins 1967 - 1970
opn 68-0665, 68-0663, 68-0159, 68-0167€ 128,00
BSA A65 Styling strip (83-3057)Condition: N.O.S.
Fits: A65 OIF models 1971-
Bare strip without vynil padding
Made in England€ 121,00
BSA A65 Terry valve spring set VS641, Partno. 68-0805-0806Condition: N.O.S.
Fits: 650 Unit motors 1966-1971
Will suit OIF types€ 33,00
BSA A65 valves & bronze guides set (opn 68-0809 68-0665 68-0663)condition: NOS
Made in England by Alpha Bearings
Fits: A65 650 Unit Twins 1967-1970€ 128,00
BSA A65 valves & guides set (opn 68-0156 68-0663 68-0159 68-0167)condition: NOS
made in England by Alpha bearingsfits: 650 unit twins, A65 Star Twin Lightning - Rocket 1962-1965€ 128,00- BSA A65 valves & guides set (opn 68-0665 68-0663 68-0159 68-0167)
condition: NOS Made in England by Alpha Bearings Fits: A65 650 Unit Twins 1962-1967 : Star Twin - Firebird - Lightning - Thunderbolt - Spitfire 2
€ 128,00 
BSA A65 valves & PB guides set (opn 68-0665 - 0663 / 71-2300)condition: NOS
Made in England by Alpha bearingsfits: A65T - A65L - A65FS 1971-1973 From Eng. Nr. JE 00101€ 128,00
BSA A65-A50 Alternator housing 68-0729NOS
Made in England
Fits: A50 - A65 1966-1967
Casting number 68-729
OPN 68-0729€ 78,00
BSA A7 - A10 clutch driving plate (bonded) set of 5 (67-3242)Condition: New stock Made in Italy by SURFLEX
Fits A7-A10 Plunger-types with 6-spring clutch
Will also fit: C10L-C11G-C12 1954-1958 with 3-spring clutch
.€ 58,00
BSA A7 - A10 Renold dynamo driving chain (67-296)condition: NOS
made in England by Renoldfits 500 - 650 pre-unit twins 1950 - 1963
Renold no 110500-52€ 39,00
BSA A7 - A10 Twins clutch chainwheel complete for duplex chain (67-3271)Condition: NOS Made in England by BSA Fits : 1954 - 1957 Plunger & Swinging --arm types.
€ 258,00
BSA A7 1949 genuine inlet valves (67-96)condition: NOS
Made by BSAfits: A7 500cc twins 1947-1950
inlet dia 37,6mmprice per set€ 54,00
BSA A7 500 OHV Star Twin Piston ring set +.020" oversize 62.5mmCondition: N.O.S.
Fits: 1947-1950 models onlyMade in England€ 69,00
BSA A7 500cc Twin Engine gasket set completeEngine gasket set complete
Fits A7 1947-1950
NOS
Made in England by Payen€ 49,00
BSA A7 gasket set made by PayenCondition: NOS
Fits A7 StarTwin 1951 - 1954
A7 Shooting Star 1954 and onwards
Made in the UK€ 49,00
BSA A7 piston ring set Hepolitecondition: NOS
made in Englandstd size = 66mm
oversizes available€ 47,00
BSA A7 piston ring set Mile Mastercondition: NOS
made in Englandstd size = 66mm
oversizes available€ 47,00
BSA A7 set of pistons cplt (67-1442)condition: NOS
Made in EnglandC.R. 7.25:1
std or oversizes
fits: A7 500 twins 1951-1960 (Hepolite nr 11288)€ 224,00
BSA A7 Star twin 500cc piston ring set std (62mm)Condition: N.O.S.
Fits: 1947-1950 type onlyMade in England€ 69,00
BSA A7 Twin Cylinder head gasket copper / compositeCondition: NOS
Fits early type 1947 - 1950
62 mm bore
Made in England€ 31,00
BSA A7 Twin Gasket set completeCondition: NOS
Early type only 1947 - 1950 (Plunger + S.Arm type)
Made in England€ 59,00
BSA A7-A10 Renold dynamo driving chain 67- 296condition: NOS
Made in Englandfits: 500 - 650 pre-unit twins 1950-1963
Renold no 110500-52€ 39,00
BSA A7-A10 Cylinder head bolt set, Partno. 67-258-1115-1116Condition: N.O.S.
Fits: 500-650 Twins with iron cylinder head -1957Made in England
(Sticker not included)€ 39,00
BSA A7-A10 Plunger Steel clutch plates (67-3240/67-3241)Condition: N.O.S.
Set of 6 steel clutch plates
1x thick + 5x thin
Fits: A7 plunger + A10 plunger 1950-1957
Made in England€ 72,00
BSA A7-A10 Plunger, clutch chainwheel (67-3271)Condition: Used, good condition
Chainwheel for duplex chain
Fits: all 500-650 twins, plunger type -1957€ 133,00
BSA A7-A10 Plunger, Clutch plates set (67-3240/67-3241/67-3242)Condition: N.O.S.
Complete set of 5+1 steel plates + 5 bonded clutch plates
Fits: All plunger models
Made in Italy by Surflex€ 118,00
BSA A7SS set of valves & Pb guides (67-394 / 67-395 / 67-1110)condition: NOS
Made in Englandfits A7 Shooting Star 1956-1962€ 128,00
BSA B31-B33 A7-A10 Kickstart quadrant, Partno. 42-3160Condition: N.O.S.
Fits: Pre-unit gearboxes 1954-1963 Singles & Twins Except DBD34 Gold Star
Made in England€ 138,00
BSA C10-B33-A7 Steel clutch plate (set of 5) (29-2832)Condition: N.O.S.
Set of 5 plates
Fits: BSA singles & twins M20, M21, A7, A10 S.Arm, M33, B33, B34, C10, C11
Made in Italy by Surflex€ 74,00
BSA clutch chainwheel 43T bonded (42-3223 / 42-3224)condition: NOS
Made in Englandfits A + B types with 6-spring clutch
A7 - A10 1957-
B33 - DBD34 1957-€ 172,00
BSA clutch plate bonded set of 4 OPN 67-3242Condition: NOS
Fit: BSA
C10 - C11 1946 - 1953
B31 - B32 1946 - 1957
M20 - B34 1948 -
M33 - B33 1957 OPN 67-3242
A7 - A10 swing-arm type 1948 - 1957
Made in the USA Priced and sold per set€ 58,00
BSA Clutch sprocket 58T TriplexCondition: N.O.S.
Fits: A65 1971-1973
OPN: 57-2773Made in England by BSA€ 158,00
BSA DBD34GS Clubmans layshaft sliding gear 19T (67-3198)condition: NOS
Made by BSAfits RRT2 gearbox
will also fit A7-A10 s/arm types€ 139,00
BSA friction clutch plates set of 5 (65-3857)condition: NOS
made in USA by Barnett Eng Califfits:
BSA A7 - A10 twins swinging arm type€ 64,00
BSA kickstart crank assy. folding type cplt. (42-3037)condition: NOS
Made in England
Grade P45-06 steelfits A10 Road Rocket + other pre-unit gearboxes. B31-B33-DBD34GS- A7-A10 1954-€ 147,00
BSA kickstart ratchet pinion (68-3095)condition: NOS
Made in Englandfits: A50 - A65 1962 - 1973€ 45,00
BSA Mainshaft 2nd or Layshaft 3rd gear 23T (68-3120)condition: NOS
Made by BSAfits A65 1965-1972€ 118,00
