Page 86 of 2009 Performance Parts by GM Parts Direct

chevy small-block v-8 valve lifters a 88958652 valve lifter guide quick cam · compositelifterguideisthesameasusedonlsseries gm small-blocks but with mounting holes for use on gen i gm small-blocks block must be drilled and tapped · forusewithhydraulicrollerliftersonly · makesitpossibletoremovethecamshaftwithout removing the intake and lifters · enoughfrictionintheguidetoholdtheliftersinplace if the rocker arms are backed off and the camshaft is rotated two full revolutions to push up the lifters note package services one lifter bank small-block camshafts chevy small-block v-8 part number 3896962 24502476 14097395 10185071 description duration .050 lift deg i:222 e:222 i:212 e:222 i:196 e:206 i:208 e:221 i:201 e:208 i:203 e:210 i:218 e:228 i:218 e:228 i:218 e:228 i:214 e:224 i:222 e:230 i:234 e:242 maximum lift in w/1.5 rocker i 450 e 460 i 435 e 460 i 431 e 451 i 474 e 510 i 447 e 459 1.6rocker i 476 e 480 1.5rocker i 492 e 492 1.6rocker i 525 e 525 1.6rocker i 525 e 525 i 488 e 509 i 509 e 528 i 539 e 558 lobe centerline deg 114 112.5 109 112 n/a 115 technical notes hydraulic flattappet hydraulic flattappet hydraulic rollerdesign hydraulic rollertappet hydraulic rollertappet hydrauliclt4 production cam hydraulic rollerlt4 hotcam hydraulic rollerlt4 hotcam hydraulic rollerlt4 hotcamkit hydraulic rollerdesign hydraulic rollerdesign hydraulic rollerdesign usedin290hp350crateengine usedin350/300hpand350/330hpspecialperformanceengines fortheht383truckenginewith1.5rockers forzz3350ho,zz4,fb385engine;usewithspringp/n10134358or12551483 usedin1995­97corvetteandcamarolt1engines,discontinued 1996lt4production b 12371042 hydraulic roller lifter kit · designedfor1986-and-laterengines · second-designliftersareusedinlate-model350ho engines and use a higher checkball spring preload · includes16liftersofp/n17120735,8valvelifterguides 1valvelifterguideretainer,4retainerbolts,and4retainer washers · thislifterkitpluspushrodkitp/n12371041anda roller-tappet design camshaft converts your engine to a roller-lifter engine · forsinglelifterusage,usep/n17120735 17120735 16rollerlifters 12550002 8lifterguides 14101116 1guideretainer a valve lifter guide quick cam 12551705 12551142 1.6rocker 24502586 1.5rocker 24502586 1.6rocker 12480002 1.6rocker 12370845 12370846 12370847 this kit includes the following items 112 112 112 112 112 112 serviceonly;forallv-8engineswithrollercams seenotebelowchart serviceonly;forallv-8engineswithrollercams seenotebelowchart c 12371044 hydraulic lifter kit set of 16 sameasp/n24502586exceptthisisakitthatincludesaluminum rockers,valvesprings,andretainers off-highwayuseonly;containseccentricformechanicalfuelpump off-highwayuseonly;containseccentricformechanicalfuelpump off-highwayuseonly;containseccentricformechanicalfuelpump · usedon1986-and-oldergeni-andgenii-styleengines · kitincludes16hydraulicflattappetliftersofp/n5232720 and is designed for use with standard-length pushrod kit p/n12495491or0.100 longerkitp/n12371057 · usep/n5232720forsinglelifterpieces about the lt4 camshaft the lt4 camshaft p/n 24502586 was designed to be used in many different engines the following change may be necessary for correct engine assembly for lt1 and l98 engines pre-1996 the dowel pin in the end of the camshaft must be pushed in so extension from end of cam is .30 .01 for 1996 lt1 and lt4 engines the dowel pin is in the correct position extending .620 from the end of the camshaft this cam has a fuel pump lobe b hydraulic roller lifter kit small-block camshaft and lifter kits include camshaft and 16 lifters part number 12353915 12353917 12353918 12353923 12364050 12364051 12364052 12364053 12364054 description duration .050 lift deg i:194 e:204 i:204 e:214 i:214 e:224 i:224 e:234 i:222 e:222 i:195 e:202 i:254 e:254 i:257 e:269 i:242 e:254 maximum lift in i 401 e 423 i 420 e 442 i 442 e 465 i 465 e 448 i 447 e 447 i 390 e 410 i 485 e 485 i 493 e 512 i 459 e 485 lobe centerline deg 104 112 112 114 114 112 114 112 116 technical notes hydraulic flattappet hydraulic flattappet hydraulic flattappet hydraulic flattappet hydraulic flattappet hydraulic flattappet mechanical flattappet mechanical flattappet mechanical flattappet usewith1981 87engineswithcomputers,flattappetandnon-rollercam except305ho;goodmid-rangetorque for8.0-9.5c.r.lowrpmsmall-blocksincluding1955 66caemissions 1955 68federalemissions,1966 92off-highway,andallnon-emissionstrucks for8.75-10.5c.r.low-mediumrpmoff-roadandmarinesmall-blocks for9.5-10.75c.r.mediumrpmsmall-blocksincluding1955 66caemissions 1955 68federalemissions,1966 92off-highway,andallnon-emissionstrucks for9.5-10.75c.r.mediumrpmsmall-blocks.singlepattern,blueprinted replacementforfactoryp/n3863151w/350hpand327-cicamshaft for7.75-8.75c.r.lowrpmsmall-blocks.dualpattern,blueprinted replacementforfactoryp/n3896929w/300hpand327-cicamshaft for11.0-12.5c.r.medium/highrpmsmall-blocks.blueprintedreplacement forfactoryp/n3849346w/290hpand302-cicamshaft.autoneeds4000converter for11.0-12.5c.r.highrpmoff-roadsmall-blocks.blueprintedreplacement forfactoryp/n3927140.autoneeds4000rpmstallconverter for10.0-12.0c.r.medium/highrpmsmall-blocks.blueprintedreplacementforfactory p/n3972182w/330hpand350camshaft.autoneeds3000rpmstallconverter b hydraulic roller lifter c flat tappet lifter 168 buy online at www.gmperformanceparts.com buy online at www.gmperformanceparts.com 169

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