S&S Cycle 330-0666 110" Power Package Big Bore Kit Chain Drive Silver

The S&S Cycle 330-0666 is a complete 110 cubic inch power package designed to transform Harley-Davidson Twin Cam 96 and 103 engines into high-performance powerplants. This comprehensive engine upgrade kit increases displacement to 110ci while providing matched performance components for reliable power gains.

Complete Big Bore Performance Kit Includes:

• S&S 4-inch big bore cylinder kit with precision-fit pistons
• 10.5:1 compression ratio pistons for improved power and efficiency
• S&S 585 Easy Start chain drive camshafts
• TC3 cam support plate for enhanced durability
• TC3 oil pump for consistent oil pressure and engine longevity
• S&S Quickee adjustable pushrods with tubes
• Premium hydraulic tappets
• Chain tensioners and all necessary hardware

Key Features:

• Largest big bore kit available without crankcase modifications
• Cylinders pre-fit to pistons—no machining required for installation
• Low-friction ductile cast iron cylinder liners
• Bolts directly in place without engine splitting, balancing, or machining
• Silver powder-coated finish for classic styling
• Made in the USA with premium S&S quality

This power package delivers a significant performance upgrade while maintaining excellent reliability and durability. The matched components work together to maximize the benefits of increased displacement, making it an ideal choice for riders seeking more power without the complexity of a full engine build.

Important Notes: Not for use with S&S 79cc heads. Can be used with stock cylinder heads. 1999-2004 Twin Cam models require additional valve spring kit (part #0926-2722). Pinion shaft runout must be less than 0.003 inches to use gear drive cams.