TRIUMPH Big Bore Performance Kit 1700cc

Code: A9618043
  • £713.99
Out of Stock | Usually dispatched from the warehouse within 48 hours
Complete Big Bore Performance kit including oversize pistons, revised camshafts, Piston rings, liners, gudgeon pins, all gaskets, up-rated clutch springs & the all important 104ci clutch cover embellisher. Increases engine capacity from 1600 to 1700cc (or for USA 98 to 104 Cubic Inches). Huge gains in power & torque! Can be installed in conjunction with High Flow Silencers to create the ultimate Thunderbird. Please note this product should only be fitted by an authorised Triumph dealer. Please refer to your authorised Triumph dealer for fitment times and costs. Requires specific tune download. Approvals vary by market, please consult your approved Triumph stockist.


For all non-bikes, delivery is FREE on all baskets over £75. Under £75 we charge a flat rate of £6 to any address in the UK including Northern Ireland for a signed for, 24 hour courier (assuming the item in in stock for immediate dispatch).  

We don't ship outside of the UK yet - sorry.


Other than bikes, you have up to 90 days to return your goods if they are unused for any reason.  Please refer to our returns policy by clicking here.

We work with V12 Retail Finance to offer six months 0% APR, interest free credit on all items and longer terms on selected products. 

Either click the box above to see the example, or view your basket to see the representative example. 

You can apply online through V12's excellent online portal and decisions are usually instant.  Your credit file will be searched, please make sure you can afford the repayments before entering into any credit agreement.

V12 Retail Finance Limited Registered in England and Wales 4585692. Authorised and regulated by the Financial Conduct Authority. Registration number: 679653. Correspondence address: 20 Neptune Court, Vanguard Way, Cardiff, CF24 5PJ.