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S&S CYCLE Super Stock® Cylinder Head Kit for Big Twin - Part 90-1499
Regular price $1,895.95 USD
Category:
Cylinder Head Kit - Super Stock® - Single Plug - Band Style - Big Twin
Upgrade your Big Twin engine with the S&S CYCLE Super Stock® Cylinder Head Kit, part number 90-1499. This complete assembly features heads that come fully assembled with valve seats, valves, guides, and seals, ensuring a straightforward installation process. Equipped with .590" lift valve springs, collars, and valve keepers, these heads are designed for enhanced performance while maintaining a stock appearance.
The kit includes essential components such as rocker cover gaskets, head gaskets, exhaust flange gaskets, and hardware for rocker housings, top engine mount, and carb support bracket, along with detailed instructions for proper installation. Crafted to flow better than stock heads, these heads allow your engine to breathe more efficiently without sacrificing the OEM look.
Designed to use OEM manifolds and exhaust systems, the S&S CYCLE Super Stock® heads are made in the USA with high-quality standards. They provide a significant upgrade in airflow and performance, making them suitable for riders seeking a reliable yet more powerful engine setup. Whether you're restoring or customizing your motorcycle, these heads deliver improved flow characteristics and durability for a better riding experience.
Features:
- Heads come fully assembled with valve seats, valves, guides, and seals
- Includes .590" lift valve springs, collars, and valve keepers
- Kit includes rocker cover gaskets, head gaskets, exhaust flange gaskets, and hardware
- s a stock appearance with better airflow than stock heads
- Designed to use OEM manifolds and exhaust systems
- Made in the USA for quality and durability





