What is the best solid roller lifters on the market for reliability. I used comp cams solid roller and springs and lifters and one of the lifters went kuput after a season and a half. The motor is a 496 10 1 comp. chevy ported heads 990's. the motor was in a steath jet that saw 6200 rpm's occasionally but most of the driving is in the 3000 to 4500 rpm range. Usually about 40miles a weekend. Talked to comp and they suggested the racer ilite. Anybody have any experience with them.
Cam specs is .731 intake .735 exhaust. 259 to 268 duration @.050 110 centerline, lobe sep is 112. Part no#11-00-9 Springs are 998-16