Flat Tappet Valve Springs
Made for our 276/286 and 280/280 Hyd. flat tappet camshafts, this single spring with damper has an OD of 1.250" and an ID of .880". The seat pressure is 110lbs @ 1.750" installed height ans an open pressure of 285lbs @ 1.250". Coil bind is at 1.200" and max lift is .500" This spring works with our 6.SPS510 spring seat and our 6.RET510 Ultra Light steel retainer. Sold as a set of 16.