Select type, year, make, and model
Upgrade your Big Twin engine with the S&S CYCLE Super Stock® Single Plug Band Style Cylinder Head Kit, part number 90-1498. This complete assembly comes fully assembled with valve seats, valves, guides, and seals, ensuring a straightforward installation process. The included .590-inch lift valve springs, collars, and valve keepers are designed for durability and performance, offering improved airflow over stock heads while maintaining a classic appearance. The kit also features essential gaskets such as rocker cover, head, and exhaust flange gaskets, along with hardware for rocker housings, top engine mount, and carb support bracket, all backed by clear instructions for ease of installation.
This cylinder head kit is engineered to flow better than stock, providing enhanced horsepower and torque without sacrificing the OEM look. It uses OEM manifolds and exhaust components, making it compatible with your existing setup. Made in the USA, this product combines quality craftsmanship with performance upgrades suitable for riders seeking reliable power improvements.
Whether you're rebuilding or upgrading, the S&S CYCLE Super Stock® Cylinder Head Kit offers a seamless integration with your Big Twin engine, delivering increased airflow and efficiency while preserving the classic aesthetic of your motorcycle. Designed for enthusiasts who demand quality and performance, this kit is a dependable choice for custom builds and restorations alike.
Features:
US Dollars
