S&S Cycle 90-1293 Super Stock 79cc Cylinder Head Kit - .640in. Lift Springs - Winkle Black riding-apparel-safety-vest Can be mounted in any

Can be mounted in any position

1999 Ducati Monster 600 City

2000-2004 Suzuki DR-Z400

2002-2005 Harley Davidson FLHRCI Road King Classic

2012 Ducati Streetfighter S

S&S Cycle 90-1293 Super Stock 79cc Cylinder Head Kit - .640in. Lift Springs - Winkle Black riding-apparel-safety-vest Can be mounted in anyCompression release machining Must use S&S rocker boxes (PART #90 4110) if S&S compression releases are used. High port flow gives great performance now, and more later when additional upgrades are done. Heads are fully assembled with springs and valves, and are available in silver or black powder coat finish to match OEM components. Compression ratios vary depending on cylinder heads chosen, pistons used and engine displacement. Heads are machined