{"product_id":"221431-16-manley-valve-spring","title":"221431-16 Manley Valve Spring","description":"\u003cp\u003eNexTek H.P.\u003c\/p\u003e\u003cp\u003eValve Springs for 5.7\/6.1L HEMI.\u003c\/p\u003e\u003cp\u003e1.311'' O.D.\u003c\/p\u003e\u003cp\u003e0.650'' I.D.\u003c\/p\u003e\u003cp\u003e353 lbs.\/in.\u003c\/p\u003e\u003cp\u003eSpring Rate 145 @ 1.811'' Installed 370 @ 1.161'' Open 0.650'' Max Valve Lift 1.100'' Coil Bind Single Conical Ovate Wire 16\/pkg.\u003c\/p\u003e\u003cp\u003eHigh performance hydraulic roller applications for Chrysler 5.7L\/6.1L HEMI.\u003c\/p\u003e\u003cp\u003eNote: Shims are included for 6.1L applications on the intake side to achieve the correct installed height.\u003c\/p\u003e\u003cp\u003eEach set includes piloting rings that install over the factory ''Top Hat'' integral valve seal to properly locate the I.D.\u003c\/p\u003e\u003cp\u003eof the spring on early 5.7L (thru 2008) and 6.1L applications.\u003c\/p\u003e\u003cp\u003eP\/N 221431X-16 does not include shims or piloting rings for Hemi Drag Pak engines.\u003c\/p\u003e\u003cp\u003eType of Spring: Super Finished Single Conical Ovate Wire.\u003c\/p\u003e\u003cp\u003eInstalled Height and Pressure: 1.811'' @ 145 lbs.\/in.\u003c\/p\u003e\u003cp\u003eOpen Height and Pressure: 1.161'' @ 370 lbs.\/in.\u003c\/p\u003e\u003cp\u003eSpring Rate: 353 lbs.\/in.\u003c\/p\u003e\u003cp\u003eO.D.\u003c\/p\u003e\u003cp\u003eof Outer Spring: 1.076'' Top \/ 1.311'' Bottom.\u003c\/p\u003e\u003cp\u003eI.D.\u003c\/p\u003e\u003cp\u003eof Outer Spring: 0.650'' Top \/ 0.885'' Bottom.\u003c\/p\u003e\u003cp\u003eI.D.\u003c\/p\u003e\u003cp\u003eof Middle Spring: N\/A.\u003c\/p\u003e\u003cp\u003eI.D.\u003c\/p\u003e\u003cp\u003eof Inner Spring: N\/A.\u003c\/p\u003e\u003cp\u003eCoil Bind height: 1.100''.\u003c\/p\u003e\u003cp\u003eWeight: 72 grams.\u003c\/p\u003e\u003cp\u003eDamper Included: No.\u003c\/p\u003e","brand":"Manley","offers":[{"title":"Default Title","offer_id":51735355916570,"sku":"MPP221431-16","price":502.48,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8942\/8506\/files\/71adXbXTHNL.jpg?v=1771806385","url":"https:\/\/trybeepbeep.com\/products\/221431-16-manley-valve-spring","provider":"TryBeepbeep","version":"1.0","type":"link"}