Dome/Dish requires no deburring or preparation 4032 low expansion high silicon aluminum alloy heat treated to SRP specifications Dome and dishes feature smooth flowing radii for excellent flame travel. Thick ring lands for limited nitrous oxide/forced induction use on low compression pistons.

Valve pockets machined to accept oversized valves 1.0 x 1.2 x 2.8mm ring widths. .748 x 2.250 straight wall carbon steel wrist pin provided. Pin fitting and spiro locks included Rings Sold Separately