Inside its classic 427-cu.-in. displacement, Chevy Performance engineers extracted big-block rumble from its high-revving small-block package. It features a unique big-bore cylinder block that is anchored with a forged crankshaft, featherweight titanium connecting rods, and friction-coated pistons. But it’s the airflow capability of the cavernous CNC-ported heads that enables its colossal power.
The LS7 crate engine is hand-assembled at the Performance Build Center at GM’s Bowling Green, Ky., assembly plant. It uses a unique cylinder block casting with pressed-in steel cylinder liners to accommodate the engine’s large, 4.125-inch cylinder bores – with deck-plate boring and honing for optimized bore geometry. The bottom end is complemented by high-flow, CNC-ported heads featuring large-volume, straight-passage intake runners and 2.20-inch titanium intake valves.
The LS7 crate engine package includes a dry-sump oil pan. Builders will need to supply the external oil tank and oil lines to the engine, but the rest of the assembly is fully dressed. LS7 Controller Kit P/N 19354334 is recommended to get it running in your project vehicle.
Chevrolet Performance is celebrating 20 years of their revolutionary LS engines this year, and they’re passing on the celebration to you with a mail-in rebate offer you need to take advantage of. Why not use the $200 Rebate on LS7 Performance Crate Engines? With 505 horsepower and 470 lb-ft of torque, the LS7 is a benchmark in naturally aspirated power.
No other manufacturer offers the range of factory-engineered crate engines you’ll find with Chevrolet Performance. Each is designed, validated, and built with the same quality and performance standards that go into GM production engines.
Now through September 30, 2017, Chevrolet Performance is offering a $200 mail-in rebate on the LS7 performance crate motor. Can you think of a better way to get that project vehicle running and on the street, strip or road course? Click here to check out the LS7 at Karl Performance Parts.