{"product_id":"11838-8-manley-intake-valve-1-pack","title":"11838-8 Manley Intake Valve, 1 Pack","description":"\u003cp\u003eThe Severe Duty series valves are signature pieces of Manley in the performance and racing industry.\u003c\/p\u003e\u003cp\u003eMaterial XH-428 for exhaust valves and NK-844 for intake valves is offered by no competitor in the world.\u003c\/p\u003e\u003cp\u003eNo pair of materials shows such clear dominance over all others.\u003c\/p\u003e\u003cp\u003eThe ultimate tensile strength of XH-428 at 1500 DegreeF is nearly double that of the competitors' EV-8.\u003c\/p\u003e\u003cp\u003eAt 1000 DegreeF, the Manley NK-844 displays more than four times the ultimate tensile of the competition's best intake material.\u003c\/p\u003e\u003cp\u003eFurther proof of the superiority of the Manley Severe Duty valves is evident in their comprehensive fatigue tests.\u003c\/p\u003e\u003cp\u003eIn normal operation where valve float is non-existent, a valve will experience 20,000 to 25,000 lbs.\u003c\/p\u003e\u003cp\u003eof applied stress.\u003c\/p\u003e\u003cp\u003eHowever, when valves bounce on the seat, the stress immediately soars to 40,000 to 60,000 lbs.\u003c\/p\u003e\u003cp\u003eManley exhaust valves (at 40,000 psi and 1400 DegreeF) ran to 100,000,000 (one hundred million) cycles while competitors' offerings failed at 100,000 cycles.\u003c\/p\u003e\u003cp\u003eThat's 1000 times better fatigue life.\u003c\/p\u003e","brand":"Manley","offers":[{"title":"Default Title","offer_id":51735273144602,"sku":"MPP11838-8","price":361.55,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8942\/8506\/files\/51kJHizUSFL.jpg?v=1771805652","url":"https:\/\/trybeepbeep.com\/products\/11838-8-manley-intake-valve-1-pack","provider":"TryBeepbeep","version":"1.0","type":"link"}