88" Sidewinder 3-5/8" Big Bore Cylinder Kit for 1979-'84 Big Twins - Gloss Black Finish LED Headlights And when you pair our

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simplies carb to EFI conversision

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88" Sidewinder 3-5/8" Big Bore Cylinder Kit for 1979-'84 Big Twins - Gloss Black Finish LED Headlights And when you pair ourInstalling this 3 5 8" big bore kit will increase the displacement of stock 80" HD shovelhead engines to 88" using the stock 4 1 4" flywheels. This may also be used to build an 88" engine in 74" shovelheads if a 4 1 4" stroke flywheel assemble is also installed. The kit includes S&S 3 5 8" bore cylinders, 3 5 8" bore forged pistons with rings and wristpins, S&S stainless steel head bolts, base nuts, head gaskets, base gaskets, exhcaust gaskets, and