Trinity Racing's 686cc big bore kit will set your new Raptor 660 apart from the crowd. Featuring improved oiling properties over the stock piston, this kit will last long and give you the power you crave.
The 686cc kit includes a JE forged piston, a bore and hone of your Raptor cylinder and a top-end gasket kit.
More fun than anyone should have in one day! This 686cc monster will rev to the moon and back, quicker and faster than any other Raptor motor out there. You get the legendary Stage IV pipe, a 686 cylinder bore, Power hone, 11:1 compression 102mm Piston setup, Trinity's camshaft and valve springs, Pro-Port and valve job, and your stock carbs are jetted to perfection by Trinity experts. All sealed up with a complete top end T.I.A, and Trinity's super-trick gasket and seal set!
Yamaha Raptor 660R 727cc Big Bore Kit Part: n/a One of the best-kept secrets in the history of quad racing is now yours. That's right, Trinity will sell you the meanest, most powerful ATV that anybody can reliably build utilizing present-day technology. What we can tell you about the 727 is that you get the world famous Stage IV pipe, The big bore 11:1 105mm piston and sleeve, tuned cam and valve springs, the patented pro-port and valve job, and a chamber mod and it's all sealed with a complete T.I.A. and Trinity's heavy-duty gaskets.
Yamaha Raptor 660R 719cc Big Bore Stroker Kit Part: n/a
New from Trinity Racing is the 719cc big bore stroker kit for the Raptor 660R. Featuring a brand new stroker crank, high or low compression forged piston kit, and a complete gasket kit. This is a simple drop-in stroker kit that drastically improves torque & horsepower numbers.
Yamaha Raptor 660R 780cc Big Bore Stroker Kit
Part: n/a
Desription and pictures coming soon.
Please call 877.FASTOYS for more information.
Questions about pricing and availability?
Please call 1.877.FASTOYS for details about this product.
All prices are subject to change without notice.
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