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Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Severe Duty Exhaust Valve (Set of 8)

Unlock unparalleled performance and racing excellence with Manley's Severe Duty Valves. Engineered from XH-428 material for exhaust valves and NK-844 material for intake valves, these valves represent the pinnacle of industry superiority.

Experience the benefits of:

  • Proven fatigue tests with up to 100,000,000 cycles
  • Chrome stems and hard tips for enhanced durability
  • Optimized combustion with swirl polished under head areas and fully machined combustion faces
  • XH-428 exhaust valve material with nearly double the ultimate tensile strength at 1500°F
  • NK-844 intake valve material with over four times the ultimate tensile strength at 1000°F

This product has not yet been assigned to any vehicle. We are working to ensure that this changes as soon as possible. Please contact us if you have any questions.

Since 1966 Manley has been manufacturing race proven engine internals for the domestic and more recently sport compact performance markets. Their range of products include: cranks, pistons, rings and wrist pins, connecting rods, pushrods, drive and oil systems, cylinder head components and valves. Manley products are designed to satisfy the needs of racing’s top engine builders who demand the highest quality products available. As a result, Manley performance products can be found in a variety of vehicles, including OE supercars and record breaking street performance and race cars.
Contact
Manley Performance
1960 Swarthmore Avenue
8701 Lakewood
USA

https://www.manleyperformance.com/
Responsible person
Streetstylez Ltd. & Co. KG
Heinrich-Lorenz-Str. 2-4
09120 Chemnitz
Germany

info@streetstylez.eu
www.streetstylez.eu
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