{"product_id":"manley-chevy-small-block-2-080-head-dia-100-longer-3415-stem-severe-duty-intake-valves-8-pcs","title":"Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs)","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 1400°F, Manley exhaust valves endured 100 million cycles, while competitors failed after just 100,000, proving a 1,000× longer fatigue life. Each valve features chrome stems, hard tips, and swirl-polished underheads with fully machined combustion faces for superior airflow, efficiency, and wear resistance. Built for those who demand race-winning strength and precision, Manley Severe Duty® Valves set the industry standard for performance and endurance.","brand":"Manley Performance","offers":[{"title":"Default Title","offer_id":44572318433467,"sku":"MAN11844-8","price":424.0,"currency_code":"CAD","in_stock":true}],"url":"https:\/\/drifthq.com\/en-ca\/products\/manley-chevy-small-block-2-080-head-dia-100-longer-3415-stem-severe-duty-intake-valves-8-pcs","provider":"Drift HQ","version":"1.0","type":"link"}