Chevy Small Block
All Pro 13°- Dome Top

• Designed for sprint car use. 2618 alloy
• Solid dome design
• Standard 1/16” x 1/16” x 3/16” ring package
• Premium 8620 pins included
• Includes oil ring support rails
• Gasket volume = 9.1cc
• Top ring down = .235”
• Valve relief depth = .270” intake and .220” exhaust.