Include springs, upper and lower collars and keys For valve lift to .650" (EU: 1,65 cm) with 1.860" (EU: 4.72 cm) /178 lbs. (EU: 80,74 kg) installed height, 376 lbs. (EU: 170,55 kg) at max lift Max 6500 rpm Made in the U.S.A.. SPRINGS VLV .650" 05-17TC