Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) 2021-hyundai-ioniq-esi8743133 Check Valve: Integrated one-way valve

Check Valve: Integrated one-way valve

2017+ Audi SQ5 FY 3

External wiring not included

Prepreg Carbon Fiber Construction: Manufactured using high-quality prepreg carbon fiber for exceptional strength and lightweight performance

and Scion FR-S — covering both the PCV and CCV circuits for maximum engine protection

Manley Chevy LT-1 6.2L 1.590in Head Diameter Pro Flo/Severe Duty Exhaust Valves (Set of 8) 2021-hyundai-ioniq-esi8743133 Check Valve: Integrated one-way valveManley 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