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Zipper's Twin Cam® 88" to 107" Cylinder Kits Double click on above image to view full picture

Zipper's 107” Stock Stroke-Big Bore Kit For 1999-2006 Engines

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As low as: $894.95

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Overview

The original big bore kit from Zipper’s! This kit increases Twin Cam® 88" displacement to 107” with the stock 1999-2006 4” stroke crankshaft. Re-balancing is not required as these special forged pistons weigh the same as stock. Engine height unchanged. Piston dome shape works with the factory head casting (best results with our 2” high output CNC ported head). Includes cylinders fitted with forged pistons, rings, wrist pins, circlips, head and base gaskets. Case boring instructions included.

In compliance with ARB emissions laws, this product is not sold or shipped to California.

Price as configured: $0.00

Details

The original big bore kit from Zipper’s! This kit increases Twin Cam® 88" displacement to 107” with the stock 1999-2006 4” stroke crankshaft. Re-balancing is not required as these special forged pistons weigh the same as stock. Engine height unchanged. Piston dome shape works with the factory head casting (best results with our 2” high output CNC ported head). Includes cylinders fitted with forged pistons, rings, wrist pins, circlips, head and base gaskets. Case boring instructions included.

Zippers 4-1/8” bore cylinders allow the Twin Cam® owner the ability to increase their engine’s displacement with the largest bore you can safely fit to the stock case. These are completely new aluminum cylinders, cast around a .240” thick iron liner, 60% thicker than the stock cylinder liner. This thicker liner reduces twist and flex in an aluminum cylinder, providing a very stable bore for the rings to maintain seal. These cylinders can be ordered with the bore undersize for final fit by the purchaser, or sized by Zippers with our 4-1/8” big bore pistons. Top them off with our CNC ported TC cylinder heads, for a complete top end performance package. Installation requires engine disassembly for case boring (a service available from our machine shop). Cylinder/piston kits include head and base gaskets (cylinders-only do not include gaskets, order separately). Available in as-cast aluminum finish or powder-coated black with machined finsh.

 

This product is not for sale or use on pollution controlled vehicles.

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Additional Information

Brand Zipper's
Engine Type Big Twin®, Twin Cam®
Model N/A
Year Range N/A
Transmission Type N/A
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