Page 105 of 2009 Performance Parts by GM Parts Direct

chevy small-block v-8 chevy ls series ls family aluminum heads continued a 12615355 l92 cylinder head assembly b 12578449 ls7 cylinder head assembly ˇ ˇ ˇ ˇ ˇ aluminumperformancehead ˇ fitsanylsfamilyenginewith4.00 boreorlarger ˇ 2.165 solidstemintake,and1.59 solidstem exhaustvalves ˇ .510 maxvalvelift ˇ as-castl92styleintakeports ˇ d-shapedexhaustports ˇ as-castcombustionchambers head 12615355 is assembled with the following components 12590771 12582719 12589774 10166345 intakevalves exhaustvalves valvesprings valvelocks 10166344 12482063 12482062 valvespringretainers intakevalvestemseals exhaustvalvestemseals ˇ ˇ ˇ ˇ ˇ ˇ 356-t6aluminumhead fullycnc dportsandchambers ls7rectangleportdesign assembledwith2.20 titaniumintakeand1.61 sodium-filledexhaustvalves 12°valveangle minimum4.100 bore 270cccnc dintakeports,85cccnc dexhaustports 70cccnc dcombustionchambers capableofover600horsepower bareheadp/n12578450availableseparately chevy ls series head 12578449 is assembled with the following components a l92 cylinder head assembly exhaust bare c5r racing cylinder head exhaust c 12591644 12578455 12578457 10166345 intakevalves exhaustvalves valvesprings valvelocks 12596508 12482063 12482062 12596509 valvespringretainers intakevalvestemseals exhaustvalvestemseals intakevalvelashcap l92 head flow data 4.00 bore lift intake exhaust 0.200 151 111 0.300 208 152 0.400 256 174 0.500 294 183 0.600 316 189 ls7 head flow data lift intake exhaust 0.100 0.200 0.300 0.400 0.500 0.550 0.600 0.700 71 60 145 120 222 159 271 192 315 207 332 214 348 219 352 221 88958698 cnc-ported l92 cylinder head assembly not shown ˇ ˇ ˇ ˇ ˇ c 12480090 bare c5r racing cylinder head cnc-portedperformancehead fitsanylsfamilyenginewithaboreof4.00 orlarger usesstock2.165 and1.59 valves,springsandhardware .510 maxliftwithstocksprings 280ccintakeport,100ccd-shapedexhaustport 68cc combustion chamber 0.200 150 105 0.300 222 140 0.400 260 168 0.500 298 190 0.600 332 201 a l92 cylinder head assembly intake bare c5r racing cylinder head intake c cnc l92 head flow data 4.065 bore lift intake exhaust 12615879 ls3 cylinder head assembly not shown ˇ aluminumperformancehead ˇ fitsanylsfamilyenginewith4.00 boreorlarger ˇ 2.165 hollowstemintake,and1.59 solidstem exhaustvalves ˇ .570 maxvalvelift ˇ as-castl92styleintakeports ˇ d-shapedexhaustports ˇ as-castcombustionchambers ˇ usesbareheadp/n12615361 ˇ 355-t7 as-cast aluminumracinghead ˇ professionalportingandmachiningofcombustion chambers required ˇ noseatsorguides ˇ c5rrectangle-portdesign requiresaftermarket rectangle-port intake manifolds ˇ designedfor2.180 1.625 valves ˇ 11°valveangle ˇ machinedfor1.625 diametervalvespringsand .500 guides ˇ designedforbigbore4.100 minls7/c5r/lsxblocks ˇ 210cc as-cast intakeports ˇ 70cc as-cast exhaustports,sameasproductionls6 ˇ 30cc as-cast combustionchambers ˇ allfastenersaremetric ˇ valvecoverrailshaveo-ringgroovefor.125 o-ring ˇ capableofover800horsepower ˇ standardlsexhaustportdesign head 12615879 is assembled with the following components 12569427 12586484 12589774 10166345 intakevalves exhaustvalves valvesprings valvelocks 10166344 12482063 12482062 valvespringretainers intakevalvestemseals exhaustvalvestemseals a l92 cylinder head assembly combustion chamber bare c5r racing cylinder head combustion chamber c cylinder heads additional required components part number 12576063 12615363 12564824 12615363 12578449 12582713 12582714 88958622 88958665 88958765 88958698 12480090 gaskets quantity 125892272or19170418 125892262or19170418 125892262or19170418 125821792or19170419 126100462or19170419 126100462or19170419 125892262or19170418 125892262or19170418 125892272or19170418 126100462or19170418 125821792or19170419 bolts quantity 1156252420 1255884010 1156252420 1255884010 1158829116 125607454 1255884010 1156252420 1255884010 1156252420 1255884010 1156252420 1255884010 1156252420 1255884010 1156252420 1255884010 1156252420 1255884010 1156252420 1255884010 1156252420 1255884010 spark plug 12571164 12571164 12571164 12571165 12571164 12571164 12571164 12571164 12571164 12571164 12571164 engine application my05/06/07ls2andcarbls2 my07ls4 my04/05ls6 my06/07ls7 my07l92 my07l92 cncls6 cncls6 cncls2 cncl92 c5r b ls7 cylinder head assembly exhaust 206 buy online at www.gmperformanceparts.com additional components required for installation see page 207 available for purchase online at gmperformanceparts.com 207

[close]