Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) SPECIAL-ORDER they are able to eliminate

they are able to eliminate heat soak and lower IATs much more efficiently than traditional Bar & Plate or Tube & Fin designs

Increases pressure tolerance

AuxilIary - 1998

Manufacturer Part # : 1064734BM

Manley Chevy LS-1/LS-2 (LS-6) Head Small Block Severe Duty/Pro Flo Hollow Intake Valves (Set of 8) SPECIAL-ORDER they are able to eliminateManufacturer Part # : 11682H 8 Market Description Manley 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