Super Stock 89cc Cylinder Head Kit, Big Twin (99-05) Silver for Dyna, Softail, Touring

【S&S Cycle 106-4270 Super Stock 89cc Cylinder Head Kit Big Twin (99-05) Silver Dyna Softail Touring Engine Parts】
■Product Description The Super Stock series heads are compatible with stock displacement, but are ideal for long-stroke and big-bore engines up to 110ci. The 89cc combustion chamber is slightly larger than stock, achieving an easy-to-control compression ratio. With an intake valve diameter of 2.000 inches and an exhaust valve diameter of 1.605 inches, it provides a crisp midrange response. With S&S high-performance valve springs, camshafts with up to 0.650 lift can be installed. ■Compatible Models Harley-Davidson Dyna Family (99-05) Softail Family (99-05) Touring Family (99-05) ■Specifications Color: Silver (powder coated) ■Notes *Images are for illustration purposes only. Includes items with different sizes and colors. Product design and specifications may change without notice. Please be aware.