Chrysler BB 440 2.150" +100 11/32" Stainless Steel Intake Valves Speedmaster has designed these main

Speedmaster has designed these main cap girdles to reinforce the alignment of the main caps in high performance applications and counter the limited webbing and weaknesses of those stock blocks

CJ-8 and YJ

Speedmaster crankcase evacuation systems are primarily drag race systems designed to reduce pressure buildup in the engine crankcase

Red powdercoat finish for protection

Chrysler BB 440 2.150" +100 11/32" Stainless Steel Intake Valves Speedmaster has designed these mainWhen it's time for valves, don't cut corners. Get genuine Speedmaster stainless steel valves. They're made from a tough, stainless steel alloy and are carefully designed to increase gas flow for more power. What's more, they have hardened stem tips for durability and are swirl polished.