Page 65 of 2009 Performance Parts by GM Parts Direct

crate engines circle track ct525 crate engines circle track 19171821 corvette s powerful ls3 engine adapted to racing introduced last year our ct525 circle track crate engine is based on the latest-generation ls engine family and delivers serious power for serious racing series including super late model and similar it is rated at 525 hp and 471 lb-ft of torque this 6.2l engine is similar to the ls3 v-8 that is standard in the chevrolet corvette but we ve adapted it to circle track racing with a carburetor intake manifold 6-quart racing oil pan and more the engine is lightweight and strong using an aluminum block with cross-bolted six-bolt main caps and high-flow ls3 rectangular-port cylinder heads the ct525 comes with coil-near-plug ignition a water pump exhaust manifolds and sfi certified balancer all that s needed to complete the assembly is a carburetor starter and our lsx ignition controller p/n 19171130 all the necessary parts are available from gm performance parts gm performance parts ls engines are revolutionizing circle track racing with unprecedented power for the money choose the ct525 for your race car and join the ls revolution based on the ls3 6.2l engine aluminum deep-skirt block 525 hp 471 lb-ft torque installation notes · use lsx ignition controller p/n 19171130 page 288 not included · requires addition of carburetor starter exhaust system and front accessory drive system · includes 14-inch 168-tooth automatic transmission flexplate · the 6 quart circle track oil pan is designed to clear most gm rear-steer chassis with stock engine location requires external oil filter and cooler will increase capacity to approximately 8 quarts note final production version may differ slightly in content from photo shown ct525 dyno chart features/benefits the next big thing in short track racing engines best racing power-per-dollar value yet new technology with a familiar 4-barrel carb not for street or marine use ct525 tech specs part number engine type displacement cu in bore x stroke in block p/n 12584727 crankshaft p/n 12597569 connecting rods p/n 12617570 pistons p/n 19168089 camshaft type p/n 12480110 valve lift in camshaft duration 050 in 19171821 ls series gen iv small-block v-8 376 cu in 6.2l 4.065 x 3.62 103.25 x 92mm cast-aluminum with 6-bolt cross-bolted main caps nodular iron powdered metal hypereutectic aluminum hydraulic roller .525 intake .525 exhaust 226° intake 236° exhaust cylinder heads p/n 12615879 valve size in compression ratio rocker arms p/n 12569167 int rocker arms p/n 10214664 exh rocker arm ratio recommended fuel maximum recommended rpm reluctor wheel balanced ls3 rectangle port aluminum as-cast with 68cc chambers 2.165 intake 1.59 exhaust 10.7:1 investment-cast roller trunnion investment-cast roller trunnion 1.7:1 92 octane 6700 58x internal available for purchase online at gmperformanceparts.com gm performance parts racing crate engines are excluded from limited warranty gm performance parts does not utilize any used or remanufactured parts in this crate engine 126 buy online at www.gmperformanceparts.com buy online at www.gmperformanceparts.com 127

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