manley chevrolet big block exhaust valve kit 1 880in head dia 5 522in o a length 0 3415in stem 1 Exterior Styling>Tool Storage MagnaFlow OEM Grade Federal/EPA Compliant

MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 94038 helps keep the check engine light off

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 447191

Comprised entirely of genuine ICON Vehicle Dynamics components

waaronder:

Strong and durable -- Ball Bolts have been heat treated to meet or exceed OE requirements to prevent premature failure

manley chevrolet big block exhaust valve kit 1 880in head dia 5 522in o a length 0 3415in stem 1 Exterior Styling>Tool Storage MagnaFlow OEM Grade Federal/EPA CompliantManley 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