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79" (1300cc) SERVICE BIG BORE KIT

$1,299.95 (Requires you to send in your cylinders)

Revolution Performance Black Diamond Big Bore Kits are the most technologically advanced American V-Twin Big Bore Kits in the world. Each kit comes with our state of the art all aluminum NSC plated bore sleeves. The sleeves are matched with a premium forged piston kit and a Cometic head and base gasket kit.



  • The most reliable way to increase power and torque on your Scout engine

  • NSC plated bore sleeves last long and run cooler than the OEM cylinders

  • Cylinders are matched with a premium forged piston kit and a complete gasket kit

  • The 79" Service Big Bore Kit requires no other engine modifications to install, but can benefit from our other products and services



  • 106mm (+5mm) all aluminum Nickel Silicon Carbide (NSC) plated sleeves

  • Forged 10.9:1 compression ratio flat-top piston kit

  • Cometic head and base gasket kit



  • 2015-2020 Stock 1130cc Scout and 2016-Present Stock Scout Sixty Indian motorcycles



  • In-House Dyno Tuning Available



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