19301326 LS3 6.2L CrateEngine LS3 6.2L CrateEngine old 19244097 new 19258770 19301326
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LS3 6.2L CrateEngine old 19244097 new 19258770 19301326

LS3 6.2L CrateEngine old 19244097 new 19258770 19301326

SKU: 19301326
RETAIL: $7,760.95
YOUR PRICE: $6,150.00
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LS3 6.2L CrateEngine old 19244097 new 19258770 19301326 Description
19301326 Replaces 19258770 and 19244097 LS3 6.2L GMPP CrateEngine.
The Hottest New Small-block now available in a box

What's Hot?
· 430 horse
· 376 cubes
· 24-month GMPP warranty

Starting with the '08 Corvette, the world was first introduced to GM's latest small block V8 creation – the 6.2-liter LS3. A continuation of the industry leading V8 engines from GM Powertrain, the LS3 kicks out 430 horsepower and 424 lb.-ft. of torque. (In the Corvette, those numbers go to 436 hp and 428 lb.-ft. of torque with the optional dual mode exhaust system.)
It's a brute of a small block with 376 ready cubes at your beckon call.
The LS series of engines from GM Powertrain have broken new ground for efficiency and performance from a pushrod platform engine. The LS3 continues the engineering breakthroughs with revised cylinder heads featuring rectangle ports borrowed from the vaunted LS7. The heads feature 63 cc combustion chambers, 2.16-inch intake valves, and 1.59-inch exhaust valves.
The camshaft features an aggressive .551-inches of lift on the intake side with less overlap (than the LS2) for even greater airflow and power. Rocker arms with a 1.7:1 ratio sit on top of the heads.

In the bottom end, the aluminum 6-bolts/main block features 4.06-inch bores and 3.62-inch stroke. A nodular iron crankshaft, powdered metal rods, and aluminum pistons (10.7:1 compression ratio) round out a rev-happy short block. Red line for the LS3 comes at 6600 rpm, and you will get there very quickly.
With a high-tech GM foundation, aluminum block, and high flowing rectangular-port heads, the LS3 is the new standard in the small block world. The LS3 helps power the new Corvette to a top speed of 190 mph. What will it power you to?



LS3 6.2L Tech Specs:

Part Number: 19301326
Balanced: Internal
Block Part Number: 12623967
Block Type: Cast aluminum with 6-bolt main caps
Bore X Stroke (in): 4.065 x 3.622 (103.25 x 92mm)
Camshaft duration (@.050 in): 204 degree intake / 211 degree exhaust
Compression Ratio: 10.7:1
Connecting rods (P/N 12617570): Powdered metal
Crankshaft (P/N 12597569): Nodular Iron
Cylinder Heads (P/N 12598594): LS3 rectangle port: as cast with 68cc chambers
Displacement (cu in): 376 cu in (6.2L)
Engine type: LS Series Gen IV small-block V-8
Maximum recommended rpm: 6600
Piston Part Number 19165089
Piston Type: Hypereutectic aluminum
Recommended fuel: 92 octane
Reluctor wheel: 58x
Rocker arm ratio: 1.7:1
Rocker arms exhaust Part Number: 10214664
Rocker arms exhaust Type: Investment cast, roller trunnion
Rocker arms intake Part Number: 12569167
Rocker arms intake Type: investment cast, roller trunnion
Valve Lift (in): .551 intake / .552 exhaust
Valve size (in): 2.16 intake / 1.59 exhaust

 

 

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Products Accessories for LS3 6.2L CrateEngine old 19244097 new 19258770 19301326
LS3 Controller Kit 19201861 replaced by 19258270

LS3 Controller Kit 19201861 replaced by 19258270


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Transmission Assembly 4L65-E 19156260 19260380

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SuperMatic Transmission Controller 19257634

SuperMatic Transmission Controller 19257634
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LS Series Muscle Car Oil Pan Kit 19212593

LS Series Muscle Car Oil Pan Kit 19212593


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Accessory Drive (with air) LS Series Engines 19155067

Accessory Drive (with air) LS Series Engines 19155067
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Accessory Drive (with air) LS Series Engines 19155066

Accessory Drive (with air) LS Series Engines 19155066
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Accessory Drive System, without A/C 19257325

Accessory Drive System, without A/C 19257325
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Gen III/Gen IV Starter 10465385

Gen III/Gen IV Starter 10465385
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Starter Mounting Bolt 11588456 11610787

Starter Mounting Bolt 11588456 11610787
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Starter Mounting Bolt 12561848

Starter Mounting Bolt 12561848
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LS Series Flexplate replaces 12606620 PN 12602448 12637677

LS Series Flexplate replaces 12606620 PN 12602448 12637677


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LS Series Flywheel 12571611


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Flywheel Bolt, Manual Transmissions 11569956

Flywheel Bolt, Manual Transmissions 11569956


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TR6060 Six Speed Manual Transmission 92246731

TR6060 Six Speed Manual Transmission 92246731


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Transmission Installation Kit 19259271

Transmission Installation Kit 19259271


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Camaro ZL1 Fuel Pump Module 19258436 19260557

Camaro ZL1 Fuel Pump Module 19258436 19260557


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