Manley Valve - Exhaust, Valve-P/F 1.600,+.100 2002-ford-f-150-esi7800276 The polyurethane bushings add strength

The polyurethane bushings add strength and reduce deflection over the stock rubber bushing

(XA10 LN) (non US)

heat treated and shot peened to ensure consistency

These silver powder coated springs fit perfectly with QA1's Pro Coil Shock Systems

8" Rear Width

Manley Valve - Exhaust, Valve-P/F 1.600,+.100 2002-ford-f-150-esi7800276 The polyurethane bushings add strengthManley Severe Duty Valves deliver the ultimate in strength, reliability, and high performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH 428 for exhaust and NK 844 for intake), offering unmatched tensile strength compared to competitive alloys. In fatigue testing at 40,000 psi and 1400F, Manley exhaust valves endured 100 million cycles, while competitors failed after just