PEM Center Section - 5.43 Ratio - 31 Spline - Steel - Spool- Ford 9" 4053 Made to fit Dual Exhaust WAR85330 Size:7-1/2 (60) C5 R4 Valve Ignition Wires

Made to fit Dual Exhaust and bolt on in 15 min

Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs

Ignition System

2021 Ford F-150 XLT SuperCrew Cab Pickup Truck has Fold Flat StorageVehicle Applications: 2021-2022 Ford F-150 King Ranch Crew Cab Pickup Truck has Fold Flat Storage

For proven quality and performance

PEM Center Section 5.43 Ratio 31 Spline Steel Spool Ford 9" 4053 Made to fit Dual Exhaust WAR85330 Size:7 1 2 (60) C5 R4 Valve Ignition Wires Made to fit Dual Exhaust and bolt on in 15 min Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs