S&S Cycle 90-1293 Super Stock 79cc Cylinder Head Kit - .640in. Lift Springs - Winkle Black riding-apparel-safety-vest Never needs refilling but may

Never needs refilling but may need periodic charging

2000-2004 Suzuki DR-Z400

Can be mounted in any position

1997-1998 Honda CBR600F F3

S&S Cycle 90-1293 Super Stock 79cc Cylinder Head Kit - .640in. Lift Springs - Winkle Black riding-apparel-safety-vest Never needs refilling but mayCompression 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