Small Block Chevrolet True Roller (9 key Way) 1955-86
Chain .250 diameter seamless precision ground Double True Roller
Crank gear is heat treated and hardened for endurance and race applications, gear has 9 key ways that are clearly marked...
Small Block Chevrolet Billet True Roller (9 key Way)
Chain .250 seamless double Roller.
Crank gear is heat treated and hardened for endurance and race applications, has 9 key ways that are clearly marked for easy cam...
Small Block Chevrolet with Factory Hydraulic Roller Cams (9 key Way) 1986 and Up
• .334 Single roller chain
• Cast iron cam sprocket
• 9 Key way crank sprocket with
The CNC-machined cam gear has nine crank sprocket keyways for zero and +/- 2°, 4°,6°, or 8° timing adjustments.
The timing marks are laser-etched.