What material is this intake valve made from?

This Manley intake valve is constructed from NK-844 material. The manufacturer states this material offers superior tensile strength at high temperatures compared to many competitor materials.

What makes these valves 'Severe Duty'?

The 'Severe Duty' designation comes from rigorous fatigue testing. These valves have shown the ability to withstand up to 100 million cycles under stress, far exceeding the performance of many other valves in testing.

Does this valve come with any hardware?

This listing is for a single intake valve only. Any necessary hardware, such as valve springs, retainers, or seals, would need to be purchased separately.

Specifications

Brand: Manley Performance
Part #: 12352-1
UPC: 807298086064

Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single)

Name: Manley Chevy LT-1 6.2L 2.120in Head Diameter Pro Flo/Severe Duty Intake Valve (Single)
Brand: Manley Performance
SKU: manley-performance-manley-chevy-lt-1-6-2l-2-120in-head-diameter-pro-flo-severe-d-t14-499592
Price: 45.18 USD
Availability: BackOrder

$45.18

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Manley Pro Flo/Severe Duty Intake Valve for Chevy LT-1 6.2L engines. Made with NK-844 material for improved durability in high-temperature conditions.

Key Features

This product is a single intake valve.
Features NK-844 material, known for its high tensile strength at elevated temperatures.
Chrome stem and hard tip construction enhance durability and longevity.
Swirl polished under head area and fully machined combustion face optimize airflow and combustion.
Designed for high-temperature gasoline engines.
Underwent rigorous fatigue testing, enduring up to 100 million cycles.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

Secure CheckoutFast Shipping631-982-0042

About this part

Product Details

This is a single Manley Pro Flo/Severe Duty intake valve, designed for Chevy LT-1 6.2L engines. It's built with NK-844 material, which Manley states has over four times the tensile strength of competing intake valve materials at 1000°F. This valve also features a chrome stem and a hard tip for added durability, along with a swirl-polished under-head area and a fully machined face to help improve airflow and combustion efficiency.

These valves are tested for fatigue resistance, enduring up to 100 million cycles in rigorous testing, which is significantly more than many competitor valves. They are specifically made for high-temperature gasoline engines and are a solid option if you're rebuilding the top end of your LT-1 6.2L.