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Clinically Tested Manley Chevy Ls-1/ls-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (set Of 8) Deal Alert: 90% Off [h2cnLdK3]

$57.99 $185.99 -69%

Superior Exhaust Valves for Chevy LS-1/LS-2 EnginesAre you looking to elevate the performance of your Chevy LS-1/LS-2 engine? Look no further. The Clinically Tested Manley Chevy Ls-1/ls-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (set Of 8) Deal Alert: 90% Off [h2cnLdK3] are engineered t

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Clinically Tested Manley Chevy Ls-1/ls-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (set Of 8) Deal Alert: 90% Off [h2cnLdK3]

Superior Exhaust Valves for Chevy LS-1/LS-2 Engines

Are you looking to elevate the performance of your Chevy LS-1/LS-2 engine? Look no further. The Clinically Tested Manley Chevy Ls-1/ls-2 Small Block 1.575 Pro Flo Severe Duty Exhaust Valves (set Of 8) Deal Alert: 90% Off [h2cnLdK3] are engineered to withstand the toughest conditions. These valves are designed to enhance your engine's airflow and combustion efficiency, ensuring a smoother and more powerful performance.

Proven Durability and Strength

Experience the difference with Manley's severe duty valves, tested under extreme conditions. Our valves have successfully endured over 100 million cycles at 40,000 psi and 1400°F, which is a staggering 1000 times better fatigue life than competitors. This means you can count on these valves to last, even under the most demanding conditions.
  • Chrome stems and hard tips for enhanced durability and longevity
  • Swirl polished under head areas for optimized combustion

Top-of-the-Line Materials and Construction

We don't compromise on quality. Our exhaust valves are made from the exceptional XH-428 material, boasting nearly double the ultimate tensile strength at 1500°F compared to the competition's EV-8. The intake valves, made from the unmatched NK-844 material, display over four times the ultimate tensile strength of the competition's best intake valve material at 1000°F. These high-performance materials ensure that your engine runs smoothly and efficiently.
  • XH-428 material for exhaust valves, offering superior strength and heat resistance
  • NK-844 material for intake valves, ensuring unmatched tensile strength and performance

What Our Customers Say

January 19, 2026

Absolutely no complaints!

This has exceeded my standards, which are quite high.

- George C..

January 19, 2026

Absolutely no complaints!

It's a very durable product; I'm not worried about it breaking.

- Jane K..

January 19, 2026

Absolutely no complaints!

This is a no-compromise product. It's fantastic in every respect.

- Paul J..

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