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HOME » 107 Bolt-On Big Bore Kit











Revolution Performance 107" Bolt-On Big Bore Kit

(Fits 2006-2016 96" Twin Cam style and 103" motorcycles)

$1089.95

The Revolution Performance 107" Twin Cam Bolt-On Big Bore Kit is the most reliable way to increase power and torque on your 2006-2016 96" Twin Cam engine. Each kit comes with our state of the art all aluminum NSC plated cylinders which last longer and run cooler than the OEM cylinders. The cylinders are matched with a premium forged piston available in two different compression ratios and Cometic head and base gasket kit.

    107" Bolt-On Big Bore Kit comes with:

  • NEW 3.938" all aluminum Nickel Silicon Carbide (NSC) plated cylinders in your choice of finish: All Black, Black Highlight or Natural
  • Forged 11.2:1 compression ratio dome-top pistons (+3cc) or optional forged 10.2:1 compression ratio flat-top pistons (+7.8cc)
  • Cometic head gasket (.030) and base o-ring
  • The 107" Bolt-On Big Bore Kit requires no other engine modifications to install but can benefit from our other products and services.

    Need more than a big bore kit? Click HERE for our 107" complete speed shop engine kit.


    ***NOTE: Compression ratio is dependent on the cylinder heads combustion chamber volume***

    ***NOTE: Dyno chart represents 107" Bolt-On Big Bore Kit, Monster CNC ported heads, Andrews 67H cams, Vance and Hines 2-into-1 exhaust***

    ***Actual big bore kit products may vary from pictures shown above.***



For questions on our big bore kits, please contact our sales technicians directly at: 1-866-892-2109 M-F 8:30 A.M. - 5:00 P.M. CST.



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