S&s Cycle Super Stock Cylinder Head Kit - 106-4270 For Harley Motorcycles 1999-2006 LUGGAGE Fully CNC-machined from solid 6061

Fully CNC-machined from solid 6061 T-6 billet aluminum

Includes right and left organizer

Color temperature: 6000-6500K

600" inside length

S&s Cycle Super Stock Cylinder Head Kit - 106-4270 For Harley Motorcycles 1999-2006 LUGGAGE Fully CNC-machined from solid 6061Note: Accept OE rocker boxes Features High port flow gives great performance now, and more later when additional upgrades are done Heads are fully assembled with springs and valves Compression ratios vary depending on cylinder heads chosen, pistons used and engine displacement; see Compression Ratios chart for specifications 79cc heads work great with stock motors for 88" to 103" motors; 89cc heads work best for motors over 103" or with high