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Ships within 48 hours · Estimated delivery Oct 30 - Nov 4
or whatever else you can fit in The Stash Tube
Designed for 4-3/8" stroke flywheels
similar to using a larger wrench to more easily turn a bolt
Fits 1999-2017 H-D® big twin engines
88" 3 5/8" Big Bore Cylinder and Piston Kit for 1984-'99 Big Twins with Stock Heads - Natural Aluminum Finish speaker or whatever else you canInstalling this 3 5 8" big bore kit will increase the displacement of stock 80" HD Evolution big twin engines to 88" using the stock 4 1 4" flywheels. The kit includes S&S 3 5 8" bore cylinders, 3 5 8" bore flat topped forged pistons with rings and wristpins, head gaskets, base gaskets, exhcaust gaskets, and instructions. The cylinders are shorter than stock, so shorter pushrods, and shorter manifold will be needed to complete the engine.
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