883 to 1200cc Conversion Kit for 1986-2019 HD<sup>®</sup> Sportster<sup>®</sup> Models - Silver Finish
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883 to 1200cc Conversion Kit for 1986-2019 HD® Sportster® Models - Silver Finish

883 to 1200cc Conversion Kit for 1986-2019 HD® Sportster® Models - Silver Finish

Item #: 910-0688
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$978.95

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Boost any 883cc Harley-Davidson® Sportster® to 1200cc. No machine shop? No problem, no machining is needed. Don’t want to rebalance your stock 883cc flywheels? You don’t need to since these pistons weigh the same as stock 883 pistons. Cylinder head modification is also not needed. The dished piston dome keeps compression down to a streetable 9.4:1 with stock 883cc heads. Installing this kit takes the same time as replacing a stock top end. It’s just more fun when you’re done.

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883 cylinder heads must be used with this kit. The cylinder fin profile does not perfectly match the fins on 2004 and later stock heads, but the difference is not considered to be objectionable. See Photos. S&S does not recommend boring 2004 and later 883cc cylinders from 3" to 31/2" bore to increase engine displacement to 1200cc due to changes in factory cylinder and liner. A smaller O.D. liner and large chamfer on the bottom of the spigot make boring the 883 cylinder not possible. New cylinders are recommended.
Disclaimer

NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. NOT LEGAL FOR SALE OR USE ON ANY EPA POLLUTION CONTROLLED MOTOR VEHICLE.