Big Block Mopar
High Compression DomeTop

• Designed to fit most OEM open and closed chamber heads
• Can be used with small nitrous kits. 2618 alloy
• Ratios figured for .009” - .025” deck@9.980” (383 & 400)
• Ratios figured for .012” deck@10.720” (440)
• Standard 1/16” x 1/16” x 3/16” ring package
• Premium 8620 wrist pins included
• Gasket volume = 9.9cc’s
• Top ring down = .240”
• Max valve diameters = 2.250” diameter intake & 1.850” exhaust valves
• Valve relief depth = .197” intake & .163” exhaust.
• Some items are non-stock parts, made to order as necessary. Check the shopping cart for availability.