Ford FE 390 427 428 1.650" 5.450" 3/8" Stainless Steel Exhaust Valves They're available in round and

They're available in round and oval styles

Failure or poor performance from a coil can result in a misfire

along with optimized winding

Speedmaster piston oil ring spacers are manufactured from spring steel and install against the bottom sill of the oil ring groove

Ford FE 390 427 428 1.650" 5.450" 3/8" Stainless Steel Exhaust Valves They're available in round andWhen 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.