


Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Manley Chevy LS-3/L-99 Small Block 2.165 Pro Flo Intake Valves (Set of 8)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 million cycles, while competitors failed after just
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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Reviewed in the United States on May 20, 2026
★★★★★ 4
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