Pricing Information

Category: NEW PRODUCTS
Zipper’s Big Bore Cylinders for Sportster® & Buell®


Zipper’s has developed new aluminum alloy cylinders for 883 and 1200 engines to increase the engine size a little or a lot! These cylinders are manufactured with high quality cast-in iron liners and will work in all types of performance applications. Bore sizes available are 3-9/16” (1250cc on the stock case), and 3-13/16” (88” with stock stroke, 99”, requires 4-5/16” stroker crankshaft). Can be fitted with your choice of several piston designs (see catalog or web site) to accommodate specific usages, or you can purchase these cylinders un-sized to fit your pistons. Includes design improvements for structural integrity, plus cooling fins have been increased to improve heat transfer. Note: Cylinders for XB9/12 models and 2004-up Sportsters® have 1/4” more fin circumference to match the newer cylinder head fin configuration.

Zip Tip- 3-13/16” is the largest bore size that the stock H-D® XL cases can be safely bored for. 3-5/8” bore is the maximum S&S replacement XL/Buell cases can be bored for.

To order, call 410-379-0909
Orders received by 5pm E.S.T. ship same day!
This item qualifies for *** FREE GROUND FREIGHT *** in the lower 48 states within the USA!

Description Part Number

Silver 3-13/16” x 4.650” long (88”), un-honed for '86-'03 XL, '95-'02 Buell - $749.95 # 517-540S Add to Cart

Silver 3-13/16” x 4.650” long (88”), un-honed for '04up XL, '02up XB - $714.95 # 517-541S Add to Cart

Silver 3-13/16” x 5.037” long* (99”), un-honed for '86-'03 XL, '95-'02 Buell - $749.95 # 517-542S Add to Cart

Silver 3-9/16” x 4.650” long (1250cc), un-honed for '86-'03 XL, '95-'02 Buell - $674.95 # 517-543S Add to Cart

Silver 3-9/16” x 4.650” long (1250cc), un-honed for '04up XL, '02up XB - $639.95 # 517-544S Add to Cart

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