Page 8 of Pro-Platinum New Cylinder Heads by NAPA

description iron head 23 degree valve spring with single dampner for up to .575 valve lift using flat tappet camshaft viton valve seals 3/8 dia stud steel valve retainers guide plates included and installed valve size 2.02 intake and 1.60 exhaust valve length stock plus .100 spring pressure 110 lbs 1.800 spring height 265 lbs 1.225 spring height combustion chamber volume 64cc aluminum head 23 degree valve spring with single dampner for up to .575 valve lift using flat tappet camshaft viton valve seals 3/8 dia stud steel valve retainers guide plates included and installed valve size 2.02 intake and 1.60 exhaust valve length stock plus .100 spring pressure 110 lbs 1.800 spring height 265 lbs 1.225 spring height will accept both carbureted and injected intake manifolds combustion chamber volume 67cc aluminum head 23 degree valve spring with single dampner for up to .575 valve lift using flat tappet camshaft viton valve seals 3/8 dia stud steel valve retainers guide plates included and installed valve size 2.02 intake and 1.60 exhaust valve length stock plus .100 spring pressure 110 lbs 1.800 spring height 265 lbs 1.225 spring height will accept both carbureted and injected intake manifolds combustion chamber volume 67cc aluminum head 23 degree valve spring with single dampner for up to .575 valve lift using flat tappet camshaft viton valve seals 3/8 dia stud steel valve retainers guide plates included and installed valve size 2.02 intake and 1.60 exhaust valve length stock plus .100 spring pressure 110 lbs 1.800 spring height 265 lbs 1.225 spring height will accept both carbureted and injected intake manifolds combustion chamber volume 67cc iron head 23 degree note accepts carbureted and vortec intake manifolds valve spring with single dampner for up to .575 valve lift using flat tappet camshaft viton valve seals 3/8 dia stud steel valve retainers guide plates included and installed valve size 2.02 intake and 1.60 exhaust valve length stock plus .100 spring pressure 110 lbs 1.800 spring height 265 lbs 1.225 spring height combustion chamber volume 64cc aluminum head rectangular port valve spring dual with dampner for up to .700 valve lift using roller tappet camshaft viton valve seals 7/16 dia stud titanium valve retainers guide plates included and installed valve size 2.25 intake and 1.88 exhaust valve length stock plus .100 spring pressure 200 lbs 1.900 spring height 600 lbs 1.200 spring height combustion chamber volume 115cc hi-tech part no nhp100 intake runner spark plug volume angle 170cc straight application small block chevrolet 55 and up street/strip oval track 1,500 to 6,500 rpm small block chevrolet 55 and up nhp102 nhp103 180cc 180cc straight angle street performance 1,500 to 5,500 rpm street performance 1,500 to 5,500 rpm small block chevrolet 55 and up nhp104 nhp105 195cc 195cc straight angle street/strip oval track 1,500 to 6,500 rpm street/strip oval track 1,500 to 6,500 rpm small block chevrolet 55 and up nhp106 nhp107 215cc 215cc straight angle street/strip oval track 1,500 to 6,500 rpm street/strip oval track 1,500 to 6,500 rpm small block chevrolet vortec accepts carb/vortec manifolds nhp108 170cc straight street/strip oval track 1,500 to 6,500 rpm big block chevrolet 66 and up 396/454/502 nhp120 320cc street/strip maximum effort 6 continued on next page.

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