Crank Con Rod / Big End Nuts and Bolts

Replaces OEM:
57-1477

Inner Primary to Crankcase Gasket Pre-Unit Triumph
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Inner Primary to Crankcase Gasket.

Suitable for Triumph: Pre-Unit upto 1962.


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Replaces OEM:
70-2490a / 70-6576

Con Rod / Big End Bolts Triumph Pre-Unit upto 1962 and Unit 650
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Set of 4 Con Rod / Big End Bolts.

Thread Type: U.N.F

Suitable for Triumph: Unit 650, 1963 to 1974. Pre-Unit upto 1962.


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Replaces OEM:
70-3705

Con Rod / Big End Bolts Triumph Unit 500 1958 to 1974
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Set of 4 Con Rod / Big End Bolts.

Thread Type: U.N.F

Suitable for Triumph: Unit 500, 1958 to 1974.


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Replaces OEM:
70-9914

Con Rod / Big End Bolts Triumph Unit 750 T140 TR7 1973 to 1987
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Set of 4 Con Rod / Big End Bolts.

Thread Type: U.N.F

Suitable for Triumph: Unit 750, T140, TR7, 1973 to 1987.


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Replaces OEM:
Set A: 21-2016

Set A Con Rod / Big End Nuts UNF 21-2016
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Set of 4 Con Rod / Big End Nuts.

UNF threaded.

They are suitable for all Triumph models, if fitted with new bolts.


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Replaces OEM:
Set B: 21-2016

Set B Con Rod / Big End Nuts UNF 21-2016
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to enlarge

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Set of 4 Con Rod / Big End Nuts.

UNF threaded.

They are suitable for all Triumph models, if fitted with new bolts.


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Replaces OEM:
70-2922

Con Rod / Big End Nuts CEI 70-2922
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Set of 4 Con Rod / Big End Nuts.

CEI threaded.

They are suitable for early Triumph models, if fitted with new bolts.


No stock currently available.



I post multiple purchases in 1 parcel.

Any overpayment of postage will be refunded.
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All OE numbers are for reference only.