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The Comp Cams custom grind solid roller cam features 265/272-degrees duration at 0.050 and 0.691/0.691-inch lift. Crower roller lifters are employed and, though the Comp Cams valvesprings have an open pressure of 620 pounds, Kevin feels that a lifter bore brace isn't needed with this camshaft profile but a KRE stud girdle certainly is needed to maintain the proper valvetrain geometry by preventing stud deflection. Kevin says, "These CNC-machined 6061 T-6 aluminum systems are lightweight, durable, and easy to install." Beneath it are Scorpion 1.6:1 roller rockers.